M 6 in Costa Rica on 24 Aug 2020 21:51 UTC

Hazard models

EQ parameters
Shakemap
Tsunami

Event summary

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

Earthquake Magnitude: 6.0M
Depth: 27.24 Km
Lat/Lon: 9.5976 , -84.6014
Event Date: 24 Aug 2020 21:51 UTC
24 Aug 2020 15:51 Local
Exposed Population: Less then 100 people in MMI VI
3440000 people within 100km
Source: NEIC us7000bcbv
Inserted at: 25 Aug 2020 21:55 UTC
INFORM Coping capacity of the alert score: 2.7 (Costa Rica)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)		 GDACS score
NEIC 0 0
us7000bcbv Scaled population (raster) 0  
  C1 shakemap -0.59  
  C2 shakemap 0.53  
  Country Vulnerability 0  
  INFORM_normalised 0.71  
Maximum expected impact using different data sources.

ShakeMap is a product of the USGS Earthquake Hazards Program in conjunction with the regional seismic networks. ShakeMaps provide near-real-time maps of ground motion and shaking intensity following significant earthquakes.


Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1328382 0 24 Aug 2020 21:51 6M, 27.24km 5.27 N/A (in MMI>=VII) 1d 00:04 NEIC
The episode that generated the alert; the next major evaluations beyond 12 hours will not trigger additional alerts.
The episode that has the last updated information.
* The max MMI detected for sources having shakemaps;
** The population detected in MMI>=7 for episode with shakemap or in a 100km radius;
*** The tsunami max height.

Exposed population

The earthquake happened in Costa Rica ,of Puntarenas (population 7,227) . The alertlevel for this event is GREEN

Intensity Population
33000 people


Shakemaps Timeline

AlertShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 0 1328382 9.598/-84.601 6.0 27.2 5.875 24 Aug 2020 22:16 00:25 (new episode)
2 0 1328382 9.598/-84.601 6.0 27.2 5.637 24 Aug 2020 22:24 00:33 (upd of #1)
3 0 1328382 9.598/-84.601 6.0 27.2 5.478 24 Aug 2020 23:55 02:04 (upd of #2)
4 0 1328382 9.598/-84.601 6.0 27.2 5.269 25 Aug 2020 21:55 1d 00:04 (upd of #3)

Affected Provinces

Intensity Region Province Country Population
Puntarenas Costa Rica 25000 people
San Jose Costa Rica 8700 people
Puntarenas Costa Rica 16000 people
San Jose Costa Rica 7200 people
Alajuela Costa Rica 17000 people

Affected populated places. Areas of interest

Intensity Name Region Province Country City class Population Distance
Pochotal Puntarenas Costa Rica Village - 2 km
Herradura Puntarenas Costa Rica Village - 8 km
Quina Puntarenas Costa Rica Village - 9 km
Esterillos Este Puntarenas Costa Rica Village - 13 km
Las Delicias San José Costa Rica Village - 15 km
Camaronal Puntarenas Costa Rica Village - 18 km
Bajamar Puntarenas Costa Rica Village - 28 km
Parrita Puntarenas Costa Rica Village 3500 people 32 km
Orotina Alajuela Costa Rica Village 6100 people 35 km

see full list


Critical infrastructure

Airports, ports, nuclear plants and hydrodams at risk, if affected, are listed below.

More information

For a full list of available products related to this event, please refer to the GDACS Resources page.