M 5.6 in Southern Argentina on 29 Apr 2021 02:17 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: 5.6M
Depth: 132.63 Km
Lat/Lon: -37.2883 , -70.8009
Event Date: 29 Apr 2021 02:17 UTC
28 Apr 2021 23:17 Local
Exposed Population: About 65000 people within 100km
Source: NEIC us7000dydz
Inserted at: 01 May 2021 17:36 UTC
INFORM Coping capacity of the alert score: 3.7 (Argentina)
INFORM Coping capacity of the affected contries: Argentina= 3.7; Chile= 3

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)		 GDACS score
NEIC 0 0
us7000dydz Scaled population (raster) 0  
  C1 shakemap -0.59  
  C2 shakemap 0.53  
  Country Vulnerability 0  
  INFORM_normalised 0.83  
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
1372660 0 29 Apr 2021 02:17 5.7M, 136.73km 3.75 N/A (in MMI>=VII) 00:33 NEIC
1373107 0 29 Apr 2021 02:17 5.6M, 132.63km 3.67 N/A (in MMI>=VII) 2d 15:18 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 unknowed a zone. The alertlevel for this event is GREEN

Intensity Population
no people


Shakemaps Timeline

AlertShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 0 1372660 -37.268/-70.792 5.7 136.7 3.758 29 Apr 2021 02:48 00:30 (new episode)
2 0 1372660 -37.268/-70.792 5.7 136.7 3.746 29 Apr 2021 03:27 01:10 (upd of #1)
3 0 1372660 -37.268/-70.792 5.7 136.7 3.746 29 Apr 2021 04:21 02:04 (upd of #2)
4 0 1372660 -37.268/-70.792 5.7 136.7 3.746 29 Apr 2021 15:03 12:45 (upd of #3)
5 0 1373107 -37.288/-70.801 5.6 132.6 3.673 01 May 2021 17:41 2d 15:24 (new episode)

Affected Provinces



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.