M 6.1 in South Georgia and the South Sandwich Islands on 20 Jan 2020 06:51 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: 6.1M
Depth: 91.29 Km
Lat/Lon: -59.2336 , -26.2748
Event Date: 20 Jan 2020 06:51 UTC
20 Jan 2020 04:51 Local
Exposed Population: No people within 100km
Source: NEIC us60007b5x
Inserted at: 20 Jan 2020 08:54 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)		 GDACS score
NEIC 0 0
us60007b5x 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
1291212 0 20 Jan 2020 06:51 6.1M, 91.29km 4.55 N/A (in MMI>=VII) 02:02 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 South Georgia and the South Sandwich Islands ,of South Georgia & the South Sandwich Is.. 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 1291212 -59.234/-26.275 6.1 91.3 4.548 20 Jan 2020 07:15 00:23 (new episode)
2 0 1291212 -59.234/-26.275 6.1 91.3 4.548 20 Jan 2020 08:54 02:02 (upd of #1)
3 0 1291212 -59.234/-26.275 6.1 91.3 4.548 21 Jan 2020 06:54 1d 00:02 (upd of #2)

Affected Provinces

Intensity Region Province Country Population
South Georgia & the South Sandwich Is. South Georgia and the South Sandwich Islands no people


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.