2 Massive earthquakes out of the Sumatra coast, Indonesia - 10 fatalities (all of them indirect)

Earthquake overview : An 8.6 magnitude earthquake occurred 500 km out of the coast of Sumatra. A second massive earthquake (aftershock) occurred a few hours later.
"I have Felt it" Reports --> see below + Let us know "how you have felt this earthquake"
To read the full story as it happened, we advise our readers to start at the lower part of the page (earthquake data).
This article has been written by James Daniell, Armand Vervaeck and Carlos Robles

Keep this page open or return regularly as we will be back with more details when they become available


- Update 23/04 - 08:19 UTC
Indonesian authorities have reported that finally 10 Indonesians died, all of them indirect (heart attacks, jumping in panic out of a tree, etc)

- Update 12/04 - 15:45 UTC
* 50 inmates from the Sigli state prison have not returned after the gates have been opened by the prison management. On the outside cries that the water was rising, state prison director decided to open the gate. It must have been done in chaos as only 13 of the 63 inmates have returned to the prison. The other 50 are on the run with the police coming after them.

- Update 12/04 - 09:56 UTC
* The Minister of Communications and Information Technology, Tifatul Sembiring, has obtained from telecommunication operators that disturbed communications on Sumatra will all be operational again in approx. 3 days
* Schools are not yet recovered of all the havoc and not yet fully operational today
* Minister of Communications and Information Technology, Tifatul Sembiring, reads our pages regularly we think, because he also said today that too many "speaking on the phone" are creating saturation of telecommunications traffic. Click here to read our in-depth reporting of this subject.

- Update 12/04 - 08:44 UTC
* Indonesian authorities have reported that 5 people have been killed by the earthquake on the island of Sumatra. 7 people have been reported injured (1 child is critically injured when she jumped in panic out of a tree). 3 people died of a heart attack. Massive earthquakes have a very emotional impact on Indonesians since in 2004 so many people were killed by a tsunami in the same area as yesterday's earthquakes. The killed and injured reported so far are indirect fatalities which are related to the earthquake.
* The main airport of Simeulue island (island closest to the epicenter) was closed.  Simeulue had no power and communications were disturbed (unbelievable in earthquake-report.com terms ! - One should think that after the 2004 tsunami and devastating earthquake, authorities should have a viable system in place to at least reach strategic locations like the main Simeulue airport).
- Based on the injured and killed Sumatrans, this earthquake will be labeled CATDAT ORANGE

- On our Major daily earthquakes list from April 11, you can see an impressive list of aftershocks.  The list is especially long because we are publishing the data of EMSC, GFZ and USGS.

Update 21:55 UTC
The aftershocks are continuously hitting th sea floor. The image below shows the epicenters of the many aftershocks. The red square is the latest one and the square with a white arrow is the mainshock of 8.6. The area where the aftershocks have occurred is approx. 1000 square kilometer? Since the mainshock we have counted 31 M+5 aftershocks. We expect the aftershocks to gradually decrease in strength but at the same time we also expect some very strong ones to happen now and then. Let's hope that the whole area (especially the Burma Plate and the Sumatra fault) will remain calm.

People in Banda Aceh running away from their location to higher grounds

Update 20:37
Indonesia is checking for damage and casualties but remarkably, no such reports had been received for several hours after the quakes, including in Aceh province, the closest province and the area decimated by the disaster eight years ago. Many people are frightened for further tremors. People want to stay alert because of the fear that more quakes are coming.

Update 18:51 UTC
The small wave caused $220,000 (2 billion rupiah) damage (estimated) to a bridge and a house. Damage to the bridge was in Bubon Arongan

Update 16:23 UTC
Also Indonesia has now lifted the tsunami alert.  We had to wait several minutes to reach the BMKG website, as we were ourselves victims of saturated servers,  we feel pity with the Indonesian seismologists.
Billions of dollars are paid to cover earthquake and tsunami insurances but some seed money to strengthen specialist sites like the seismological agencies and our site are seemingly too much for the insurance companies.  Saturated servers are a common problem for event driven websites like earthquake-report.com

Update 15:46 UTC
So why was this earthquake the largest non-damaging earthquake ever measured?
a) It occurred 400km+ offshore, thus the earthquake shaking only achieved a maximum intensity of around 5.5-6 in the closest points to land, causing no discernable damage.
b) the earthquake, unlike other major M8+ earthquakes, was a strike-slip earthquake, where plates slide past one another, and not upwards or downwards. Therefore, there was not much offset on either side of the fault and thus the water volume was not significantly displaced and therefore caused NO MAJOR TSUNAMI (highest was at Meulaboh with 1.05m)
c)13 other earthquakes over Mw8 since 1900 have caused no damage, however, the Mw8.6 was the highest by Mw0.4 (around 3 times the ground motion and 7 times more energy than ever before to cause no damage!!!!)
The Mw8.2 earthquake which occurred a couple of hours later was the 3rd largest earthquake recorded to cause no damage.

In one of the many experience reports, a person from Banda Aceh wrote earthquake-report.com : hard too remain standing, iMac in the office hopping madly all over the desk, people panicking and leaving the city because of tsunami warnings

- So far we there were 23 M5+ aftershocks after the mainshock. 2 of the aftershocks were even bigger than M6

Location of the aftershocks until 15:41 UTC - red blocks are the lastest ones, block with the white arrow in it is the location of the epicenter's mainshock

Update 15:20 UTC
We got a message on our computer for Maldives touroperator IMPEX Holydays. The touroperator is telling his client travel agencies soon after the earthquake what the situation was at the Maldives. This is truly an 'example of how today's communication has to work. Congratulations to Impex Holidays.
"Dear All Partners,
Greetings from Maldives.
We wish to inform all our partners the situation in Maldives is calm although we slightly felt the 8.6 magnitude earth quake which hit Aceh, Indonesia this afternoon.
As of now, 1725 hrs local Maldives time the authorities have extended the tsunami alert time till 1930 hrs due to the second after shock quake.
All inhabited islands as well as the resort islands are on full alert, although sources have informed that the chances of a tsunami is unlikely.
e wish all tourists in Maldives well and pray that we will be safe."

Update 13:57 UTC
- A tsunami watch has been cancelled now for the entire Indian Ocean area

Earthquakes since 1900 over M8 that were non-damaging
Today's 2 earthquakes of Mw8.6 and Mw8.2 are among the Top 13 strongest magnitude non-major damaging event earthquakes of the last 113 years in CATDAT
Mw8.1 - January 13, 2007 - Kuril Islands
Mw8.1 - December 23, 2004 - North of Macquarie Island
Mw8.1 - March 25, 1998 - Balleny Islands Region
Mw8.1 - May 23, 1989 - North of Macquarie Island
(Mw8.1 - January 10, 1971 - Very Minor damage to a church etc. - Papua, Indonesia)
Mw8.5 - October 13, 1963 - Kuril Islands (v. minor damage)
Mw8.2 - November 10, 1938 - Alaska
Mw8.0 - September 20, 1920 - Loyalty Islands Region
Mw8.0 - May 1, 1917 - Kermadec Islands, NZ
Mw8.0 - May 1, 1915 - Kuril Islands
Mw8.0 - January 4, 1903 - Tonga
Mw8.0 - 1902 - Sea of Okhotsk

- Meulaboh (Northern Sumatra)  has recorded waves up to 1.06m
- The second fault solution has been confirmed as a strike-slip  - meaning little chance of tsunami. Probably only minor given the slight dip.
This is the largest non-damaging earthquake for a long time of this magnitude.

- Below this page you will find a very big number of earthquake experience reports from our readers. We thank them all to share their experience with earthquake-report.com

- The epicenter of the earthquake is located about 100 km to the west of the subduction fault line in the Oceanic part of the Indian plate and not in the direct subduction zone of the plates. The subduction zone is far more dangerous than stress in the oceanic plate itself.  The actual greater area is the intersection in between the Indian Plate, the Australian plate and the Burma plate.

Image courtesy of Kerry Sieh, Tectonics Observatory, California Institute of Technology

- A NOAA employee just told CNN that the max. water level change which has been measured so far was 1 meter, which confirms our earlier expectation that due to the type of the 1th earthquake (strike/slip) the impact would be limited.

- We will still have to wait for the earthquake data of the second massive earthquake.  The mechanism (type of earthquake) is not necessarily the same for both earthquakes

- This link gives you an idea of the impact of the earthquake on a deep ocean buoy out of the Phuket coast Thailand). The differences in level is limited. Click here for the graph and the detailed page
- Aftershocks are continuing to hit the epicentral area

- It is really VERY GOOD news that the coast in Northern Sumatra has not reported any serious damage or injuries. This coast is the nearest to the epicenter.

Update 11:42 UTC
- Power if off at Banda Aceh
- Why is it far too early to give the final "safe" message ? Because Indonesia and also locations like the Andaman Islands have a lot of smaller islands and every coastal area can react differently to incoming waves.

- The first 8.6-magnitude quake off Aceh province, hours earlier, spawned a wave around 80cm high but caused no serious damage. We will have to wait anxiously whether the second earthquake hasn't generated higher destructive ways, probably not but far too early to say so.

- Another area which was also very hard hit in 2004 is India's Andaman Islands. No news so far from that area of the world, but we will follow news from the Andaman Islands too

A very good "early" video report from ABC news Australia

- As said before the current earthquakes have only limited similarities with the destructive 2004 earthquake and tsunami. The main movement, as presently known, was lateral versus up and down during the 2004 earthquake. That earthquake was also more powerful.

- This is the latest NOAA bulletin on the basis of the last massive aftershock :

- People is Simeulue Island (closest to the epicenter) have now been reporting that the water on the beaches was treating about 10 meters (must have been generated by the second quake). A receding ocean can be the sign of an upcoming tsunami but often the receding is everything what happens too.  So, we will have to wait for more news. This may have been caused by another earthquake wave propagation after the second earthquake

- Due to the many sometimes violent aftershocks, the tsunami watches will bot be lifted and people have to stay on higher ground

- The second massive quake has been decreased to 8.2 by USGS, it has to be seen as a massive aftershock

- A NEW POWERFUL M 8.6 earthquake occurred at this time in the almost same epicenter area!

- It is still too early to tell whether there was no tsunami at all as reports are mixed. Depending on the propagation of the wave and the coastal relief, places where a tsunami occurs are not necessarily the same.

Update 10:42 UTC
- Most aftershocks have an epicenter on a safe distance out of the Sumatra coast
- At this moment we can only tell that a real destructive tsunami has not yet occurred as far as we know. Additionally the epicenter is too far out of the coast to be shaking damaging. Light damage is still possible of course as the highest expected shaking is still a strong MMI VI shaking.

- People in the most dangerous area are well prepared these days and were also immediately alarmed to seek higher ground

- a number of hospitals in Banda Aceh have been evacuated. Patients have been brought to higher grounds

- Many (powerful) aftershocks have occurred since the mainshock
- India's tsunami warning center said waves measuring up to 6 meters were expected along parts of its eastern coast

- Very good news comes from Indonesia :  Indonesia's disaster mitigation agency says no detection of low tide that would indicate tsunami in Aceh (Reuters twitter)

- seismologists are reporting the the earthquake was from another type than the 2004 one. The thrust force was far less this time than in 2004. Thrust force is mainly generating tsunamis like what was the case in Japan

- As far as we know now - the closest shores (Northern Sumatra) has not yet experienced any important level change

- British Prime Minister Mr Cameron is visiting the country’s capital, Jakarta, which is 1,600 miles south-east of the province and on a different island, Java. He said he was 'hugely concerned and ready to help'. There were reports of the water level dropping in the Thai resort of Phuket - a sign that the sea is drawing back in preparation to launch an enormous wave.

- To follow the Tsunami Bouy disturbances LIVE please follow this link ; http://www.ndbc.noaa.gov/

- NOAA PACIFIC latest bulletin :

- We reiterate that BOTH Northern Sumatra and the Indonesian island  of Simeulue are at the highest tsunami risk
The surrounding countries like India, Thailand, Malaysia and SRI LANKA are at high risk too

- Sri Lanka and India issued tsunami warnings while Thailand urged people on the Andaman coast, a popular tourist destination, to move to safety.

- A Sri Lanka government statement said waves could hit the island's eastern coast by about 1040GMT and urged an orderly evacuation of the coastal strip.

- Update 10:16 UTC
- Indonesia's disaster mitigation agency is sending a rescue team to Aceh, after a massive 8.7 magnitude quake on Wednesday and tsunami warning knocked out the province's electricity and send locals scrambling for higher ground.

- "The quake was felt very strongly. Electricity is down, there's traffic jams to access higher ground. Sirens and Koran recitals from mosques are everywhere," said Sutopo, spokesman for Indonesia's disaster mitigation agency.

- USGS has decreased the magnitude to 8.6 and 22.9km depth

- Residents in Banda Aceh reported the ground shaking violently.
- "People are in a panic, and there are traffic jams everywhere in Banda Aceh," local Metro TV reported.
- "There is potential for a tsunami to hit five provinces in the region -- Aceh, North Sumatra, West Sumatra, Bengkulu and Lampung," said Marzuki, an analyst at Indonesia's Geophysics and Meteorology agency.
- "Earthquakes of this size have the potential to generate a widespread destructive tsunami that can affect coastlines across the entire Indian Ocean basin," the US Pacific Tsunami Warning Center said.
- In India, the authorities issued a tsunami warning for the Andaman and Nicobar Islands, located in the Indian Ocean.
- The Indian National Centre for Ocean Information Services issued a red high-level warning for the islands, and also put out lower alerts for the coasts of Andhra Pradesh and Tamil Nadu states in the southeast of the country.

- There was chaos in the streets, with fierce shaking continuing for nearly four minutes.
"I was in the shower on the fifth floor of my hotel," Timbang Pangaribuan told El Shinta radio from the city of Medan. "We all ran out. ... We're all standing outside now."
He said one guest was injured when he jumped from the window of his room.
- The tremor was felt in Singapore, Thailand, Bangladesh, Malaysia and India. High-rise apartments and offices on Malaysia's west coast shook for at least a minute.
- Thailand's National Disaster Warning Center issued an evacuation order to residents in six provinces along the country's west coast, including the popular tourist destinations of Phuket, Krabi and Phang-Nga.
- A tsunami watch was issued for countries across the Indian Ocean after a large earthquake hit waters off Indonesia on Wednesday, triggering widespread panic as residents along coastlines fled to high ground in cars and on the backs of motorcycles.
Some were crying. Others screamed "God as great" as they poured from their homes.

- we have terrible problems in being able to stay online as the server crashes regularly. Lack of finance for better solutions is witholding us from being more performant.

- People on Twitter said tremors were felt in Singapore, Thailand, Malaysia and India. High-rise apartments and offices on Malaysia's west coast shook for at least a minute
The power has gone out in Banda Aceh and residents are moving to higher ground, said Sutopo Purwo Nugroho, a spokesman for the Indonesian National Disaster Management Agency.
The extent of the damage is still being assessed.
The quake was felt as far away as Bangkok and in southern India, residents said. Hundreds of office workers in Bangalore left their buildings, workers there said.
The quake was in roughly in the same area as a December 26, 2004, quake of 9.1 magnitude, which sent huge tsunami waves crashing into Sumatra
- A tsunami warning has been issued as Indonesia’s geophysical agency has registered an 8.9 magnitude earthquake in the Aceh region, off the western coast of northern Sumatra.

- USGS has calculated that 547,000 people will have experienced a MMI VII Very strong shaking. Earthquake-Report.com does NOT expect shaking victims BUT we expect serious danger for the Northern Sumatra coast (Banda Aceh area) and Simeulue island, both areas who were hardest hit in the earlier tsunamis

- USGS has decreased his initial magnitude from 8.9 to 8.7. Other agencies are reporting lower values (a big difference)


- GDACS has issued a green earthquake report, but we predict that it will change soon into a RED tsunami report. Nor GDACS, not NOAA have issued tsunami notes yet, but we expect them to arrive soon.

- due to the huge number of people coming to read our report, the server hangs regularly even for us writing in it

- This earthquake has a lot of similar data as the giant destructive earthquake and tsunami from many years ago, killing thousands of people. A general tsunami alarm looks imminent for the entire area

- Extremely dangerous earthquake
Preliminary data are saying a +8 magnitude

The earthquake has been felt in Thailand and in Malaysia
A tsunami alarm will certainly in place in large parts of the area

Earthquake-Report.com GOOGLE+ / Earthquake-Report.com FACEBOOK
"I Have Felt It" reports as received by Earthquake-Report.com
See below for all the received Earthquake Experience reports as received by earthquake-report.com

Most important Earthquake Data:
Magnitude : 8.6 (USGS)
UTC Time : Wednesday, April 11, 2012 at 08:38:30 UTC
Local time at epicenter : Wednesday, April 11, 2012 at 02:38:30 PM at epicenter
Depth (Hypocenter) : 22.9 km
Geo-location(s) :
495 km (308 miles) SW (219°) from Banda Aceh, Sumatra, Indonesia

Links to important maps
USGS Did You Feel It Map
Google satellite map showing the epicenter and the surrounding area
Historic earthquakes map
Seismic hazard map
Shaking map
Focal mechanism report
Human impact map
GDACS earthquake report
NOAA tsunami report

I Have Felt this earthquake

Refresh this list
SRC Location UTC Date/time M D INFO
USGS Off The West Coast Of Northern Sumatra Apr 11 10:43 8.2 16 MAP
USGS Off The West Coast Of Northern Sumatra Apr 11 08:38 8.6 22 MAP
  • Thailand Koh Lanta - I felt it a few minutes around 3.50PM Thailand local time in the South of Thailand Koh Lanta. For me was already scary enough never had before such a situaion.
  • Banda-aceh/Lhoknga - I felt strong but a little less than 2004. We ran to safer place, mountain and monitor sea water. After one hour feeling safe, back but suddenly 2nd quake
  • GEOFON Off West Coast Of Northern Sumatra Apr 11 08:38 8.6 10 MAP
  • malaysia penang - feel like shake about 1 minutes
  • Phuket, Thailand - Felt a few minutes of very weak ground shaking at approx 3.40pm Thailand time
  • Penang - We were sitting at the dining table and thought one of us was shaking our legs until we realised the table and floor were moving backwards and forwards. First time we have felt this kind of movement on the ground floor.
  • penang malaysia - Minor shaking or tremors to the point some feel slight dizziness
  • Cyberjaya, Malaysia - Working on the forth floor building, multiple co-worker felt the mild shaking.
  • Penang, Malaysia - Could feel the house walls moving, tables moving but no damage.
  • phuket - Moderate shaking indicated
  • Penang, malaysia - My computer chair was rocking heavily. I thought it was my dog, but it was an earthquake as I could see by the floor lamps swinging.
  • Langkawi, Malaysia - Was at home in a two story house and felt a moderate shake
  • kuala lumpur malaysia - felt it in my 23 story apartment building
  • Shah alam, Malaysia - I felt shaking in here at 16:54 pm.
  • COlombo, Sri Lanka - Felt a light & weak shake here in sri lanka, which lasted around 2-3 seconds & went off.
  • Phuket - shelf at supermarket is shaking...
  • Penang, Malaysia - Very weak but most people feel it a few minutes ago...
  • HO CHI MINH CITY - Could feel building moving at 20th floor
  • Penang, Malaysia - Weak shaking, lasted for couple of minutes
  • Penang - My computer monitor was shaking weakly
  • Petaling Jaya, Malaysia - Felt side to side swaying.
  • Singapore - I am in a building in Singapore on the 17th floor and was able to feel the building shaking for about 30 seconds
  • Singapore - Can feel the building on 16th floor of condo shaking at 16:45 local time....
  • Ho Chi Minh City, Vietnam - Very long, rolling earthquake - must have lasted at least 1 minute, 30 seconds.
  • Alor Setar Kedah Malaysia - This is the second time I felt the quake.. the first time (2009?) that cause massive tsunami in Banda Aceh Sumatra Indonesia.
  • Singapore - In office, could feel the building shaking slowly.
  • Ipoh Malaysia - I felt my bed shake and some of my hanging decorations move a few times.
  • Mid Valley, Kuala Lumpur - Felt a moderate shaking here at Mid Valley North Point Office.
  • Langkawi - In hotel chalet and it shook on its stilts, quite unnerving....
  • Penang, Malaysia - Free standing bookshelf was swaying for a few minutes.
  • Penang, Malaysia - Last for about 30 seconds...
  • Colombo Sri Lanka - Felt the Earth quake in 6th floor Colombo 07 Sri Lanka.
  • Bandar Utama, Petaling Jaya, Selangor - I was sitting on my chair at my working desk and i felt myself shaking, i wonder why i was shaking and i saw wire outside the window shake and realize the earth was shaking.
  • Phuket - Weak shaking lasted for several minutes in Phuket.
  • Ampang, Selangor, Malaysia - I was lying on my bed, when I felt some tremors. I stopped typing and laid straight, and tried to stop breathing, and I felt my body slightly swaying. I'm on the 2nd floor, and I live in the Klang Valley.
  • Taman Desa, KL - Felt the shaking at 11th Floor..everything is shaking
  • Pulau Pinang, Malaysia - I was sleeping already can feel the tremors. Our house with strong shaking.
  • MALAYSIA - We could see the hanging CCTV at Tesco Tg Pinang swinging just now. =.='
  • Bangalore - Slight shaking of 8 floor building.
  • Singapore - I was in the office when I felt the ground swaying. I thought I was giddy but apparently not as most of mt colleagues felt it too.
  • Nuwara Eliya,Sri Lanka - I even fell it shaking a light bit in nuwar eliya,,that is the highest part in sri lanka and very far from the earthquake source...
  • Petaling Jaya - very strong shaking.
  • Kochi - Felt a slight shake in 6th floor.
  • Bangalore - We felt that but no affects
  • Chennai - In L&T, We felt small shake, chairs were moved, My mom called and informed she also felt same in her office Nungambakkam. Mild shakes over the area of OMR, Egmore, Guindy and DLF. We all went down to assembly point. Now back to our seat.
  • Bhubaneswar, Odisha - I could feel my office desk shaking for about 1 or 2 mins. all colleagues stood up in surprise and were guided to safe assembly soon.
  • banglore - the chair was shaking , so were the glass panes.
  • bukit mertajam - chait and table shaking
  • Melaka - Felt shaking of chair and objects on work desk on 9th floor. Others at ground level report no shaking noticed.
  • Kuala Lumpur - i was on the 15th floor of an apartment, tremors were felt for more than 20 seconds...
  • Singapore - Might be an aftershock, We could feel the vibration. Shaking a bit. Scary, but didnt affect much
  • Puchong, Malaysia - My car stopped at traffic lights and I can feel my car was shaking..
  • Kulim Hi Tech Park, Kulim, Kedah, Malays - I was on the 1st floor. I felt dizzy. Sensed the tremor twice. Evacuated the building.
  • Penang - At first I thought it was some heavy trailer that passes the highway, but when the shaking didn't stop, only realized it is an earthquake. I decided to leave my work place after the shaking stops.
  • BANGALORE - Chair n desktop table was shaking..for once thought that my head was reeling n clenched my feet hard to floor... FIRE EXIT board started swaying..which confirmed that it is earthquake itself n its happening right then at that moment...all of us ran via stairs to open area..from 7th floor to ground...!!
  • Nibong Tebal, Penang - Coul feel my whole house shaking. Neighbours even went out of house.
  • Dhaka - I was at 18th floor. Feels like i am on a cradle
  • Kolkata - my revolving chair shaking lightly, i guess some incident & out my office quickly
  • Shah Alam, Malaysia - i live on the 11th floor .was lyin in bed ,felt dizzy n felt my leg moving slowly. thought it was cause i skipped a meal. then i saw the water in my glass moving .scared me !
  • Kuching, Sarawak - My sofa and my chair was shaking when quake happen!
  • Malaysia - I was on 36th floor of our condo buildng i felt some weak shaking
  • Chennai - Suddenly chair was shaking in my 8th flr office and i initially thought chair has got broken somewhere. Then realized it is earthquake
  • Penang,batu feringgi - I was laying on a sun lounge and thought someone behind me was shaking the lounge
  • Kuala Lumpur Happy Garden - Felt dizzy in front of computer and my aquarium water is heaving up and down...fan swaying to and fro
  • medan - 1st earthquake, i felt like earth swing me about 10 min. but for 2nd, i just feel weak shaking. but i'm worrying about tsunami. is there possible of tsunami? exact explain.
  • Chennai, India - Felt again for the second time
  • Bangalore - At about 14:20 and 16:30. Felt a light rocking. Water in bottle shaking. 2nd floor of building. People on ground floor felt nothing.
  • Bangalore,ITPL - Felt from the 9th floor building of Technicolor (itpl) by around 2.10pm
  • Nungambakkam, Chennai, India - Sofas were sharing and chairs were moved. Most offices closed.
  • Gurun - 1st time i felt it in Gurun , Kedah which is totally far away from sea. It happened 2-3minutes around 4.50pm malaysia time.
  • MALAYSIA - I felt shaking on 5th floor bangsar south city
  • Taman Meru Impiana, Ipoh - At the fourth floor .First experience , lasted about 2 mins. Very scary
  • Pallavaram Chennai - I was in front of my laptop and I felt the whole cabin was shaking for about 15-20 seconds if i am not wrong,as if siting on a vibrating/massaging chair.even my husband,father,my neibhours felt the same(places like Kilpauk,Royapuram,Tondiarpet).This is my second experience,earlier it was Dec 24 2006 Tsunami.
  • bangalore - felt moderate tremors each after a span of an hour..hope there would not be a third one
  • Kodambakkam, Chennai - My ceiling fan was wobbling. String of calls followed people asking, if something was wrong.
  • Kolkata - The desk and the chair started shaking..Felt a little bit dizzy during the tremor..
  • srilanka - when i was useing laptop i felt one shake so i got scard so mom said not make fun.
  • kuala lumpur - initially i thought it was the stereo speaker vibration, but stopped the music for a while and the chair & table - actually the whole building - was still shacking without interruption like "trrrrrrrrrrrrrrrrr!!!!" more than 4 minutes!!! I survive an 8.6! thank u thank u
  • penang - Shaking felt and the signboard shakes moderately.People moved to the streets.
  • singapiee - i was at my fren house at the evening wen my fren mother was asking me whater i fell something shakeing but it was not to stong hope noyhing big going to happen lets pray to god
  • Kulim - I felt dizzy, I thought I'm about to faint. Only realize when my colleague says "it's an earthquake" All of us evacuate from the factory.
  • penang - I was on my sofa when I felt the shake, first I thought it was my dog, but my dog is too small to shake my sofa, then I lai back and felt more shaking and my decoration on my ceiling start to swing. Then I ran outside swing my neighbours running outside. The water in the drain was shaking slowly... I even felt it standing on the ground.....
  • Bangkok - Walls made a strange sound, weak shaking on 16th floor office building central Bangkok
  • Bhagulpur / Bangladesh - Het water van onze vijver klotste over de rand heen, een stuk loshangend klei is naar beneden gestort.
  • ampang, lembah jaya - i was lying on my sofa after awake from my sleep, felt a bit shaked but i thought i havent fully wake up yet.. then my elder brother wake and sit next to me.. later on feel the same vibration for the second time.. thank god but i will pray for acheh citizens ..
  • Kolar, Karnataka, India - its very weak shaking frequencies, no problem
  • Colombo - I felt my chair's shaking (5th floor), I stood up and told others, looked out from window, and still was shaking LCDs and office partitions. Finally decided to out from the office building.
  • Malaysia - THe quake happened exactly by 03:24 PM IST in Chennai, India. I was sitting in the office on the 3rd flooor and I felt a slight giddiness and a little shake. I thought I was not feeling well and everyone in my floor felt the same and some shouted "Earthquake". Immediately, everyone fled the place and reached downstairs through fire exit. It was my first quake experience and I was so thrilled.
  • Koh Tao, Thailand - I was min my bed and thought i am drunk, then i remembered i did not drink anything
  • Kolkata - It is very dangerous
  • Belarus - fellow indonesians please don't be relaxed, stay alerted and well warned... unexpected release of the quake energy with huge distructive potential may be likely right on its way Semoga Ketuhanan bantumu!
  • Sri Lanka - I was watching tv and the chair started to shake and we saw that the tv is also shaking
  • Bangalore - The very 1st time happened quake was a bit low ,however i haven't observed.but the 2nd time happened quake was observable because i observed that water in the bottle was started dancing for a minute.then i realized and went away from the office premises with my colleagues.
  • Chennai - It was so scary....I had never felt a earthquake...Everyone must have met in the wrong time....I am still scared that earthquake will come😰. I hope that there will be no more earthquake.
  • USGS Off The West Coast Of Northern Sumatra Apr 11 08:38 8.9 33 MAP


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    I felt the shaking *
    Country where you felt the earthquake *
    City/Village where you felt the earthquake *
    Street or suburb (area) where you felt the earthquake
    Latitude (area) where you felt the earthquake
    Longitude (area) where you felt the earthquake
    Shaking Strength *
    MMI II (Very weak shaking) ?
    People :
    Felt by persons at rest, on upper floors or favorably placed.
    MMI III (Weak shaking) ?
    People :
    Felt indoors; hanging objects may swing, vibration similar to passing of light trucks, duration may be estimated, may not be recognized as an earthquake.
    MMI IV (Light shaking) ?
    People :
    Generally noticed indoors but not outside. Light sleepers may be awakened. Vibration may be likened to the passing of heavy traffic, or to the jolt of a heavy object falling or striking the building.
    Fittings :
    Doors and windows rattle. Glassware and crockery rattle. Liquids in open vessels may be slightly disturbed. Standing motorcars may rock.
    Structures :
    Walls and frames of buildings, and partitions and suspended ceilings in commercial buildings, may be heard to creak.
    MMI V (Moderate shaking) ?
    People :
    Generally felt outside, and by almost everyone indoors. Most sleepers awakened. A few people alarmed.
    Fittings :
    Small unstable objects are displaced or upset. Some glassware and crockery may be broken. Hanging pictures knock against the wall. Open doors may swing. Cupboard doors secured by magnetic catches may open. Pendulum clocks stop, start, or change rate.
    Structures :
    Some large display windows cracked. A few earthenware toilet fixtures cracked.
    MMI VI (Strong shaking) ?
    People Felt by all. People and animals alarmed. Many run outside. Difficulty experienced in walking steadily.
    Fittings :
    Objects fall from shelves. Pictures fall from walls. Some furniture moved on smooth floors, some unsecured free-standing fireplaces moved. Glassware and crockery broken. Very unstable furniture overturned. Small church and school bells ring. Appliances move on bench or table tops. Filing cabinets or "easy glide" drawers may open (or shut).
    Structures :
    Slight damage to buildings with low standard. Some stucco or cement plaster falls. Large display windows broken. Damage to a few weak domestic chimneys, some may fall.
    Environment :
    Trees and bushes shake, or are heard to rustle. Loose material may be dislodged from sloping ground, e.g. existing slides, talus slopes, shingle slides.
    MMI VII (Very strong shaking) ?
    General alarm. Difficulty experienced in standing. Noticed by motorcar drivers who may stop.
    Fittings :
    Large bells ring. Furniture moves on smooth floors, may move on carpeted floors. Substantial damage to fragile contents of buildings.
    Structures :
    Unreinforced stone and brick walls cracked. Low standard buildings cracked with some minor masonry falls. A few instances of damage to buildings of ordinary workmanship. Unbraced parapets, unbraced brick gables, and architectural ornaments fall. Roofing tiles, especially ridge tiles may be dislodged. Many unreinforced domestic chimneys damaged, often falling from roof-line. Water tanks Type I burst. A few instances of damage to brick veneers and plaster or cement-based linings. Unrestrained water cylinders (hot-water cylinders) may move and leak. Some common windows cracked. Suspended ceilings damaged.
    Environment :
    Water made turbid by stirred up mud. Small slides such as falls of sand and gravel banks, and small rock-falls from steep slopes and cuttings. Instances of settlement of unconsolidated or wet, or weak soils. Some fine cracks appear in sloping ground. A few instances of liquefaction (i.e. small water and sand ejections).
    MMI VIII (Severe shaking) ?
    People Alarm may approach panic. Steering of motorcars greatly affected. Structures : Low standard buildings heavily damaged, some collapse. ordinary workmanship buildings damaged, some with partial collapse. Reinforced masonry or concrete buildings damaged in some cases. A few instances of damage to buildings and bridges designed and built to resist earthquakes. Monuments and pre-1976 elevated tanks and factory stacks twisted or brought down. Some pre-1965 infill masonry panels damaged. A few post-1980 brick veneers damaged. Decayed timber piles of houses damaged. Houses not secured to foundations may move. Most unreinforced domestic chimneys damaged, some below roof-line, many brought down. Environment : Cracks appear on steep slopes and in wet ground. Small to moderate slides in roadside cuttings and unsupported excavations. Small water and sand ejections and localized lateral spreading adjacent to streams, canals, lakes, etc.
    MMI IX (Violent shaking) ?
    Structures Many low standard buildings destroyed. Ordinary workmanship buildings heavily damaged, some collapse. Reinforced masonry or concrete buildings damaged, some with partial collapse. Buildings and bridges designed and built to resist earthquakes damaged in some cases, some with flexible frames seriously damaged. Damage or permanent distortion to some buildings and bridges, designed and built to normal use standards. Houses not secured to foundations shifted off. Brick veneers fall and expose frames. Environment : Cracking of ground conspicuous. Landsliding general on steep slopes. Liquefaction effects intensified and more widespread, with large lateral spreading and flow sliding adjacent to streams, canals, lakes, etc.
    Tell us your experience and how many seconds the shaking lasted + let us know if your property has been damaged (even slight damage). (max. 500 characters)
    * mandatory fields


    1. don't be relaxed, stay alerted and warned, the release of huge quake energy may
      be likely on its destructive way
      semoga Ketuhanan bantumu!