Earthquake overview : An earthquake has hit in the populated region of Sulawesi Tengah. It is shallow in depth and of a magnitude that may cause significant damage in the epicentral region.
“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).
Check also our Indonesia-only earthquake list
Keep this page open or return regularly as we will be back with more details when they become available
Update May 1, 2012 – 14:56 UTC
Strong aftershock in Sulawesi, Indonesia
Although the 5.5 Magnitude can be considered as strong in our terms, the depth is weakening the impact and we expect no serious damage or injuries . People in Sulawesi are experiencing a lot of earthquakes and their houses are build from material (mostly wood and bamboo) which is very efficient against earthquakes. Brick and concrete are mostly used in bigger cities only. USGS expects 1000 people to have experienced a MMI VI strong shaking. 43,000 people a moderate shaking and 562,000 people a light shaking. The epicenter area is the same then last week Mw5.8 earthquake. Click here for our in-depth article. During this Mw5.8 earthquake, 51 houses were damaged and 2 people injured. Hypocenter depth was reported as 9.9 km versus 40 km today, a lot deeper and thus less dangerous.
Update : BMKG, the local Indonesian seismological agency reports a Magnitude of 5.3 at a depth of 10 km. The epicenter is following BMKG located offshore, a whole lot of difference. We trust BMKG as a very good seismological agency and in this case working with their own instruments (closest to the epicenter). See also our daily report of May 1
UPDATE 16:30UTC: At least 16 houses have been damaged, 35 others have minor damage, and two people who were in Parliament House of the Morowali District, Central Sulawesi were injured by the earthquake that struck the area.
“We still continue to record the number of casualties and damaged buildings,” said Police Chief Adjunct Senior Commissioner Morowali Suhirman who called from Palu on her cell phone to news services in Indonesia.
According to him, the parliament building of Morowali suffered damage estimated at 35%. “There is no wall that collapsed, but cracks everywhere,” he said.
It is likely that the damage will exceed that of the M8.6 earthquake a week ago.
While the houses are severely damaged and collapsed generally cracked. Damaged buildings, mostly owned by people living in the District Bungku Central and Eastern Bungku.
This earthquake has been labelled CATDAT Orange.
UPDATE 05:00UTC: Our main concerns are still closer to the epicentre where we have no word yet.
Good news from a large town a moderate distance from the epicenter. Students taking their exams at SMA Negeri 1 Malili (80km away from the epicentre) rushed outside, with no injuries, but there appears to be no damage – therefore they have continued their exams.
UPDATE 03:30UTC: No news from the epicentral region as yet. Indonesian news services are repeating the epicentral location with no other information. We are currently trying to get news from the epicenter given the severity of the 15.02.2011 quake.
UPDATE 03:10UTC: There are numerous mines in the area. Three hydrodams power the residential area and the power was out for almost 48 hours in the last event in the region.
UPDATE 03:00UTC: BMKG has confirmed the severity of the earthquake with a Ml5.7 at 10km.
An earthquake in approximately the same location of Mw6.1 hit last year on the 15th February 2011, with damaging results. Although there were no casualties, some houses collapsed and many cracked.
“The Indonesian news channel Tempo reported that hundreds of people ran to the higher grounds of the Sorowako airport when the earthquake struck yesterday evening (local time) fearing for a lake tsunami. The local people told reporters that the shaking lasted for approx. 1 minute. Most people were enjoying dinner when the shaking started.
So far no casualties were reported. However, a dock on Lake Towuti vanished (probably by the shaking).
The first damage inspection survey in the greater epicenter area revealed that hundreds of houses are left with cracks in the wall, many school buildings area also damaged.
Some houses are reported collapsed in the Malili district, approx. 30 km from Sorowako.
Sorowako residents are still scared. Officials did inform local people not to believe in the rumors of a potential lake tsunami.”
We expect lesser damage than the M6.1 earthquake. Read more about the previous earthquake from last year here to get further insight into the region.
The earthquake was felt strongly in the epicentral region. Shakemaps are expecting a VII intensity, however from BMKG only intensity V.
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“I Have Felt It” reports as received by Earthquake-Report.com
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Most important Earthquake Data:
Magnitude : Mw5.8 (USGS), Ml5.7 (BMKG)
UTC Time : Monday 16th April 2012 02:17 UTC
Local time at epicenter : Monday 16th April 2012 10:17 LT
Depth (Hypocenter) : 9.9km, 10km (BMKG)
Geo-location(s) : Wiwirano (18km), Larea (19km), Kolono (19km), Wawontoa (9km), Unsongi (18km).
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
Focal mechanism report
Human impact map
GDACS earthquake report
I Have Felt this earthquake
|EMSC||Sulawesi, Indonesia||Apr 16 02:17 AM||5.7||30||MAP I Felt It|
|GEOFON||Sulawesi, Indonesia||Apr 16 02:17 AM||5.8||22||MAP I Felt It|
|USGS||Sulawesi, Indonesia||Apr 16 02:17 AM||5.8||9||MAP I Felt It|
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