Very damaging earthquake in Oaxaca, Pinotepa Nacional, Mexico - February 16, 2018

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Damage report in cooperation with the 2018 Earthquake Impact Database

Update 09:36 UTC: This interferogram explains why most of the damage has been inflicted in the Pinotepa Nacional area. Pinotepa Nacional is about 20 km out of the coast (see pin on map below-.

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Update 18 February 09:16 UTC: Updated damage report by EID (see url above)
** 454 houses/buildings were damaged
** 50 houses/buildings were destroyed


 

Update 18:13 UTC: The victims of the helicopter crash where all people sleeping in cars and vans to be safe for aftershocks :((

Update 18:03 UTC: 80 houses  or buildings have been damaged to various extend in the Oaxaca province

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Update 13:45 UTC: The death toll from the helicopter accident, carrying the Oaxaca governor to overfly the damaged Pinotepa National area, increased from 2 to 13!

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Update 13:43 UTC: At noon UTC (6 AM Mexico time) 389 aftershocks have struch the greater epicenter area. Only a minor part of them have been felt by the people.

Update 10:18 UTC: NO damages in Mexico City

Update 10:15 UTC: NO damages in Vera Cruz: Governor

Update 10:05 UTC: The ultimate explanatory earthquake poster from this earthquake comes from geologist Dr. Jay Patton. Click on the image to be linked to his site. The poster contains lots of important scientific information and can be viewed in full format in his site

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Update 10:00 UTC: ER congratulates the Mexican government for their swift assessment and response after the earthquake. Governors were quick to respond with news bulletins via social media.

Update 09:51 UTC: NO fatalities (except for the helicopter accident) and only 2 injured people is the VERY POSITIVE outcome after this potentially very dangerous earthquake. The earthquake type as well as the location of the epicenter are the most important reasons that this earthquake has a relative happy end.

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Text courtesy xeu.com.mx

Update 09:24 UTC: A sad accident took place after the earthquake when an helicopter transporting SGOBMX personnel crashed while landing in damaged Jamiltepec killing 2 people on the ground. As these are not fatalities directly related to the earthquake, we will not count them to register this earthquake as a deadly earthquake.

Image courtesy @radiomex

Image courtesy @radiomex

Update 09:21 UTC: Power was lost for 109,000 people in the Oaxaca province: governor Alejandro Murat
In total more than 900,000 people were affected by the loss of power. Power was however reestablished soon for most of them.

Update 09:10 UTC: Seismologist Jascha Polet : Cross-section of seismicity near today's M7.2 indicates that the earthquake occurred in a region of flat slab subduction, near the bottom of the coupled zone, on the interface between the two plates.
Do beach balls looks like Chinese or Latin to you, check this article "Understanding Beach Balls"

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Update 09:06 UTC: Seismologist Robin Lacassin : Yesterday Mexico M7.2 #earthquake: thrust mechanism with NE dipping plane compatible with subduction #megathrust (but hypocenter depth 20-25km perhaps too shallow). Simple source time function hints for probable simple rupture.All solutions for M7.2 #Mexico #earthquake = confirm thrust mechanism. Depth estimates range between 15 & 26km (quite shallow, but 25km may be just compatible with megathrust).

Update 09:04 UTC: Geologist Dr. Jay Patton : Possibly too shallow for megathrust. only mapped fault is Chacalapa fault, a sinistral strike-slip fault, may have thrust motion in places. Duncan F Keppie 2009 PhD

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Update 09:00 UTC: A lot of medium size aftershocks in Oaxaca but luckily no more M6 or more. The strongest ones the preceding 8 hours were M4 up to M5

Update 01:53 UTC: Patients  in Jamiltepec had to be evacuated from the hospital building due to serious structural damage.

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Update 01:36 UTC: So far the damage we showed was rather moderate for such a massive earthquake but the pictures below seem to indicate that there is also serious destruction in the epicenter area. Pictures via

 

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Update 01:28 UTC: The governor of Oaxaca told the press that he had still no reports of fatalities. Let's hope that it will remain like that.

Update 01:26 UTC: Damage in a hospital in Pinotepa Nacional (epicenter region)

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Update 01:24 UTC: The damaged roof from a house in Pinotepa Nacional

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Update 01:21 UTC: 24,000 people are living in a radius of 20 km around the epicenter.

Update 01:08 UTC: Main earth movement based on the current focal mechanism. Image courtesy Observatoire Geoscope. We believe that Fault Plane 2 is the one to look at for this earthquake
Do beach balls looks like Chinese or Latin to you, check this article "Understanding Beach Balls"

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Update 01:04 UTC: Compared to the last massive quake in Oaxaca, today's earthquake's epicenter was luckily located in a sparsely populated area

Update 01:03 UTC: People are still standing in the streets as they fear the strong aftershocks. Another M5.8 aftershock occurred a few minutes ago

Update 01:01 UTC: Aftershocks up to M6 are shaking the epicenter area

Update 00:59 UTC: So far NO news of injuries or fatalities. Most damage has been reported from Pinotepa Nacional and the coastal area.

Update 00:58 UTC:

Update 00:37 UTC: Shaking map with possible related damage from the natural disaster specialists at CATnews (Risklayer - CEDIM), Karlsruhe, Germany. Map generated by Andreas Schäfer.

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Update 00:32 UTC: We are currently seeing a lot of this kind of damage. In the villages around the epicenter the ground has opened and tens of houses are already reported with damage.

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Update 00:30 UTC: Dame in the village of Santa María Huazolotitlán

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Update 00:18 UTC: Professor Max Wyss, who specializes in theoretical prognoses of injuries and fatalities expects :
0 to 300 fatalities
200 to 1000 injured people

Update 00:17 UTC: So far only pictures and reports from small damage like broken glass, cracks in walls etc.

Update 00:10 UTC: Shaking impact on the cities and on the population
16000 people have experienced a very strong shaking, 439000 a strong shaking

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Update 00:08 UTC: Shaking map of this earthquake

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Update 00:04 UTC: The average of the many I FELT IT user experiences we receive is moderate to strong shaking

Update 00:01 UTC: Corrected Magnitude is M7.3 at a depth of 30 km = extremely dangerous

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Update 23:57 UTC: Based on the present earthquake parameters (Magnitude, Depth, Population, etc) and our experience with earthquake damage impact, earthquake-report.com calls this earthquake extremely dangerous and expects injuries and serious damage

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Most important Earthquake Data:

Magnitude : 7.5

Local Time (conversion only below land) : 2018-02-16 17:39:44

GMT/UTC Time : 2018-02-16 23:39:44

Depth (Hypocenter) : 43 km

Depth and Magnitude updates in the list below.

Donation - long - San Francisco

Share your earthquake experience (I Have Felt It) with our readers.
Click on the "I Felt It" button behind the corresponding earthquake. Your earthquake experience is not only important for science, but also for people in the area as well as our global readership.

Refresh this list
SRC Location UTC Date/time M D INFO
PTWC Feb 16 23:45 7.5 0 MAP
USGS Pinotepa De Don Luis, Mexico Feb 16 23:39 7.5 43 MAP I Felt It INFO
  • Jalapilla, Veracruz - It struck perhaps at 5.39 pm and continued shaking for at least three minutes. Felt a few aftershocks too. No damage that I know of to the house we are in.
  • Oaxaca, Oaxaca - Lasted for 20 seconds maybe a bit more or less. 17:35
  • Puerto angel - At 5.42 pm. Condo light shaking 200 ft above ocean
  • Oaxaca - Happened about a minute or two ago
  • Hualtulco - 5-8 seconds
  • Mexico City - Light shaking
  • Veracruz - Lasted at least twenty seconds or so - went on for a while.
  • Macuspana - Weak shaking
  • Oaxaca de Juarez - shaking came in two waves about 45 seconds apart, second was stronger, concrete ground moving and shaking underfoot. each of the waves about 30 seconds each. three dogs greatly disturbed
  • Oaxaca de Juarez - Very strong to severe shaking for at least 15 seconds, maybe more. NO damage.
  • Cholula - No damage, about 20 seconds of shaking
  • mexico city - Weak shaking
  • Mexico City - Felt at the Presidente Intercontinental hotel for about 10 seconds
  • San Pedro Mixtepec oax - Felt deep shook whole casitas terrazas
  • Puerto Escondido - I was lying on the couch it felt like a truck was going by then the entire couch shook .. we went outside the pool was moving .. no damage
  • Mexico City - Light shaking
  • Oaxaca - Shaking lasted 5 to 10 seconds. No visible damage. Scary.
  • Puerto Escondido - Light shaking
  • Toluca - Weak shaking
  • San Pablo Villa de Mitla - No damage caused lasted about 30 seconds to 1 minute
  • Mazunte - 6 seconds
  • Santa Maria, Huatulco - 5-7 Seconds. Felt like a vibrating bed.
  • Pachuca - Outside sitting and I started swaying. Seems to be a few aftershocks too
  • Oaxaca - Light shaking
  • Cuernavaca - Moderate shaking
  • Puerto Escondido - Moderate shaking
  • puerto Vallarta - On high floor of beachfront condo. Chandelier swinging, drapes moving slightly , felt some swaying for around 1 minute
  • atlixco, puebla - lateral movements, a few seconds
  • Puerto Escondido - Light shaking
  • Bajos de Chila - Strong shaking
  • Cuernavaca - Strong shaking
  • puerto escondido - became apparent very quickly that i had to leave building. very strong. small items fell to floor. live on 3rd floor so it takes a little time to get out. centered in Pinoptera
  • Ocotitlan, Morelos - Less than a minute- moderate shaking- no damage
  • Mexico City - Felt for 40-50 seconds from 5th floor. No obvious damage
  • Puerto Vallarta - Shaking lasted 10-20 seconds - no damages
  • Puerto escondido - No damage at all. The shaking lasted about 30 seconds, I think.
  • Mexico city - Strong shaking
  • Puebla City - Weak shaking
  • Huatulco - 2 mins
  • Oaxaca de Juárez - Moderate shaking
  • San Cristobal de las Casas - 4seconds,no damage about five mins after epicenter ,felt it here at 5:47pm
  • Mazunte - 2 seconds. I was on the beach. No damage anywhere
  • Puerto Escondido - 15-20 seconds. No damage
  • Ixtapa - We are on the 10th floor and the building swayed north to south.
  • Ixcotel - It made my bed sway for 10-15 seconds. It was dizzying. I think the dogs woke me up.
  • La Crucicita - 5 to 10 seconds. No damage
  • San Agustillo, Oaxaca - maybe 15 to 20 seconds, felt like we where rolling back and forth on water. The part of the village nearest the ocean probably has water under it.
  • Puerto Escondido - 3rd earthquake today in Puerto Escondido, last one just happened after 10pm, this one was very short but quite strong
  • Puerto Escondido - 10-15 second duration...undoubtably aftershock from Oaxaca quake earlier (also felt here)
  • Mexico city - Strong shaking
  • Puerto Escondido - 3 separate quakes today all short but fairly strong, last one just happened around 10 pm
  • Puerto Escondido - Moderate shaking and the building we were in was swaying a bit. No damage done
  • USGS Pinotepa De Don Luis, Mexico Feb 16 23:39 7.2 24 MAP
    GEOFON Oaxaca, Mexico Feb 16 23:39 7.2 24 MAP
    EMSC Offshore Oaxaca, Mexico Feb 16 21:21 4.0 5 MAP I Felt It INFO
    EMSC Oaxaca, Mexico Feb 16 12:20 3.7 19 MAP I Felt It INFO
    EMSC Guerrero, Mexico Feb 16 09:56 3.7 7 MAP I Felt It INFO
    EMSC Guerrero, Mexico Feb 16 09:42 4.0 6 MAP I Felt It INFO
    EMSC Guerrero, Mexico Feb 16 06:46 3.6 7 MAP I Felt It INFO


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    SHARE YOUR EARTHQUAKE EXPERIENCE WITH US

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    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) ?
    People
    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)
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