M 6 in South Georgia and the South Sandwich Islands on 22 Apr 2019 14:49 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: 95.76 Km
Lat/Lon: -56.2647 , -27.3976
Event Date: 22 Apr 2019 14:49 UTC
22 Apr 2019 12:49 Local
Exposed Population: No people within 100km
Source: NEIC us70003a91
Inserted at: 22 Apr 2019 15:08 UTC
INFORM Coping capacity of the alert score: 1.1 (South Georgia & the South Sandwich Is.)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)		 GDACS score
NEIC 0 0
us70003a91 Scaled population (vector) 0  
  C1 shakemap -0.59  
  C2 shakemap 0.53  
  Country Vulnerability 0  
  INFORM_normalised 1  
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
1257539 0 22 Apr 2019 14:49 6M, 95.76km N/A N/A (in MMI>=VII) 00:19 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
no people


Shakemaps Timeline

AlertShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 0 1257539 -56.265/-27.398 6.0 95.8 None 22 Apr 2019 15:14 00:25 (new episode)
2 0 1257539 -56.273/-27.379 6.0 93.6 None 22 Apr 2019 15:56 01:06 (upd of #1)
3 0 1257539 -56.273/-27.379 6.0 93.6 None 22 Apr 2019 16:56 02:06 (upd of #2)
4 0 1257539 -56.273/-27.379 6.0 93.6 None 23 Apr 2019 14:55 1d 00:06 (upd of #3)

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.