M 5.5 in South Georgia and the South Sandwich Islands on 24 Jun 2019 19:21 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: 5.5M
Depth: 35 Km
Lat/Lon: -58.007 , -25.3931
Event Date: 24 Jun 2019 19:21 UTC
24 Jun 2019 17:21 Local
Exposed Population: No people within 100km
Source: NEIC us600045dg
Inserted at: 25 Jun 2019 19:24 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)		 GDACS score
NEIC 0 0
us600045dg Scaled population (raster) 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
1264856 0 24 Jun 2019 19:21 5.5M, 35km 3.33 N/A (in MMI>=VII) 1d 00:02 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 1264856 -58.007/-25.393 5.5 35.0 3.315 24 Jun 2019 19:39 00:18 (new episode)
2 0 1264856 -57.997/-25.411 5.5 35.0 3.328 24 Jun 2019 20:20 00:58 (upd of #1)
3 0 1264856 -57.997/-25.411 5.5 35.0 3.328 24 Jun 2019 21:23 02:01 (upd of #2)
4 0 1264856 -57.997/-25.411 5.5 35.0 3.328 25 Jun 2019 19:24 1d 00:02 (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.