M 7 in Mexico on 08 Sep 2021 01:47 UTC

Event summary

This earthquake can have a medium humanitarian impact based on the magnitude and the affected population and their vulnerability.

GDACS ID EQ 1284957
Earthquake Magnitude: 7.0M
Glide number: EQ-2021-000137-MEX
Depth: 20 Km
Lat/Lon: 16.994 , -99.7829
Event Date: 08 Sep 2021 01:47 UTC
07 Sep 2021 20:47 Local
Exposed Population: 250000 people in MMI
970 thousand (in MMI>=VII)
Inserted at: 08 Sep 2021 02:35 UTC
INFORM Coping capacity:
4.4 (Mexico)
Maximum Wave Height observed: 0.48 m


For more info on GDACS alert score click here.
Tsunami GDACS score
NEIC 1.1 0.4 1.1
us7000f93v Scaled population (raster) 5.36 Max wave alert 0.16m  
  C1 shakemap -0.59 Max wave realtime 0.48m  
  C2 shakemap 0.53      
  Country Vulnerability 0      
  INFORM_normalised 0.92      
Maximum expected impact using different data sources.
Virtual OSOCC
Meteo assessment
Satellite products
Analytical products
Mexico - Earthquake (ECHO 08 Sep 2021)Wed, 08 Sep 2021 15:56

  • An earthquake of 7.0 M (7.1 M as reported by the National Seismic Service of Mexico - SSN) at a depth of 20 km occurred in southern Guerrero State on 8 September at 01.47 UTC (20.47 local time). The epicentre was located in the area of Acapulco City.
  • A tsunami of 50 cm was recorded over the coast of Acapulco City. At least nine aftershocks with magnitude up to 5.2 M have been recorded in the area by the SSN.
  • Up to 985,000 people were exposed to very strong shaking and up to 274,000 to strong shaking.
  • According to media reports, one person died across Coyuca de Benitez Municipality (north of Acapulco), several buildings have been damaged and a number of power outages occurred. The Civil Protection of Guerrero State reports evacuated people in Chilpancingo City (Guerrero State). The earthquake was felt also in the area of Mexico City.


Detailed event map. European Union, 2024. Map produced by EC-JRC.
The boundaries and the names shown on this map do not imply official endorsement or acceptance by the European Union.

Updates on volcanic activity (Smithsonian)

Latest media headlines

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Estimated casualties (PAGER)

USGS estimates the number of casualties for each earthquake for the Prompt Assessment of Global Earthquakes for Response (PAGER) product.
The graph shows the current fatalities estimate.

Exposed population

Data, images, links, services and documents

For this events, GDACS has links to information from the following sources: EC-JRC (91), (5), NEIC (5), OCHA (1), INGV (1), DesInventar (2), WMO (2), USGS (5), INFORM (4), NOAA (1),