M 5.7 in South Georgia and the South Sandwich Islands on 26 Jun 2018 01:48 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: 5.7M
Depth: 27.22 Km
Lat/Lon: -59.542 , -29.7799
Event Date: 26 Jun 2018 01:48 UTC
25 Jun 2018 23:48 Local
Exposed Population: No people within 100km
Source: NEIC us1000f1u8
Inserted at: 26 Jun 2018 02:22 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
us1000f1u8 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
1216340 0 26 Jun 2018 01:48 5.7M, 27.22km 3.1 N/A (in MMI>=VII) 00:33 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 1216340 -59.542/-29.78 5.7 27.22 3.1 26 Jun 2018 02:30 00:41 (new episode)
2 0 1216340 -59.542/-29.78 5.7 27.22 3.1 26 Jun 2018 03:57 02:08 (upd of #1)

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.