M 7.4 in Mexico on 23 Jun 2020 15:29 UTC

Event summary

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

GDACS ID EQ 1223573
Earthquake Magnitude: 7.4M
Depth: 26.25 Km
Lat/Lon: 16.0291 , -95.901
Event Date: 23 Jun 2020 15:29 UTC
23 Jun 2020 10:29 Local
Exposed Population: About 8000 people in MMI
640000 people within 100km
Inserted at: 23 Jun 2020 20:52 UTC
INFORM Coping capacity:
4.4 (Mexico)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)		 Tsunami GDACS score
NEIC 0.4 0.3 0.6
us6000ah9t Scaled population (raster) 3.89 Max wave alert 0.31m  
  C1 shakemap -0.59 Max wave realtime 0.31m  
  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 24 Jun 2020)Wed, 24 Jun 2020 13:04

  • A strong earthquake of 7.4 M at a depth of 26.3 km occurred in southern Oaxaca State (Mexico) on 23 June at 15:29 UTC. The epicentre was located inland very close to the coast, approximately 11 km south-southwest of Santa María Zapotitlán Village, and 74 km west of Salina Cruz City. The earthquake was followed by a series of aftershocks in the area.
  • USGS PAGER estimates that concerning the main event, up to 93,000 people were exposed to very strong shaking, and up to 733,000 to strong shaking. According to last report of the Pacific Tsunami Warning Center, tsunami threat has passed and minor sea level fluctuations of up to 0.3 metres can continue for the next few hours in the coast of Mexico.
  • Media report, as of 24 June, at least 6 fatalities and a number of injured people across isolated villages in the area and in the beach location of La Crucecita. In addition, around 200 damaged houses were reported across the area. Furthermore, slightly damaged buildings were also reported in the federal capital Mexico City, approximately 500 km north-west of the epicentre.
  • Over the next 24 hours, heavy rain to locally very heavy rain is forecast over southern Mexico, including over Oaxaca, and Guerrero States.
  • DG ECHO partners - who have a presence in most of the states where the earthquake was felt - are monitoring the situation, especially in those areas previously hit by a strong earthquake in 2017 following which thousands of families are still living in structures that are a mix of vulnerable and earthquake resistant construction.
Mexico - Earthquake update (ECHO 26 Jun 2020)Fri, 26 Jun 2020 13:09

  • Following the earthquake of 7.4 M occurred in south Oaxaca State (Mexico) on 23 June, the number of fatalities stands at 10, but the amount of reported damage has increased.
  • According to the Government Oaxaca, 8,123 houses have been damaged, as well as 213 schools, 25 state highway sections and 7 vehicular bridges across 145 municipalities.
  • The authorities, with the help of the Mexican Red Cross, continue to provide help for those affected. A total of 72 municipalities have received the Declaration of Emergency from the National Coordination of Civil Protection.
  • For the next 24 hours, moderate to heavy rain is expected over the affected area.
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 (6), OCHA (1), INGV (1), DesInventar (2), WMO (2), USGS (5), INFORM (4), NOAA (1),