M 5.6 in Antarctica on 27 Aug 2018 20:09 UTC
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: 47.84 Km
Lat/Lon: -61.763 , -58.1245
Event Date: 27 Aug 2018 20:09 UTC
27 Aug 2018 17:09 Local
Exposed Population: No people within 100km
Source: NEIC us1000gi7m
Inserted at: 27 Aug 2018 20:29 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)
GDACS score
NEIC 0 0
us1000gi7m 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
1226051 0 27 Aug 2018 20:09 5.6M, 47.84km 3.95 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 Antarctica ,of Antarctica. 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 1226051 -61.763/-58.124 5.6 47.84 3.95 27 Aug 2018 20:29 00:20 (new episode)
2 0 1226051 -61.763/-58.124 5.6 47.84 3.95 27 Aug 2018 22:11 02:01 (upd of #1)

Affected Provinces

Intensity Region Province Country Population
Antarctica Antarctica no people
Antarctica Antarctica no people


Critical infrastructure

Airports, ports, nuclear plants and hydrodams at risk, if affected, are listed below.

Airports

Intensity Name IATA Code Elevation (m) Usage Runway type IFR Runway Length (ft) Distance
Teniente Rodolfo Marsh Martin TNM 45 0 65 km

Ports

Intensity Name LOCODE Country Distance
Admiralty Bay Antarctica 38 km

More information

For a full list of available products related to this event, please refer to the GDACS Resources page.