M 6.3 in Ascension Island Region on 11 Nov 2017 00:36 UTC

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: 6.3M
Depth: 10 Km
Lat/Lon: -11.7482 , -14.0995
Event Date: 11 Nov 2017 00:36 UTC
Exposed Population: No people within 100km
Source: NEIC us2000blul
Inserted at: 11 Nov 2017 00:57 UTC
INFORM Coping capacity: 1.1 ()

Gdacs Score

For more info on GDACS alert score click here.

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.

Exposed population

The earthquake happened in unknowed a zone. The alertlevel for this event is GREEN

Intensity Population
no people
no people
no people

Shakemaps Timeline

AlertShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 0.01 1187058 -11.748/-14.1 6.3 10 2.68 11 Nov 2017 00:59 00:23 (new episode)
2 0.01 1187058 -11.748/-14.1 6.3 10 2.68 11 Nov 2017 02:39 02:03 (upd of #1)

Affected Provinces

Affected populated places (*)

Intensity Name Region Province Country City class Population Distance
Georgetown St. Helena City <1000 people 423 km

see full list

Critical infrastructure

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


Intensity Name IATA Code Elevation (m) Usage Runway type IFR Runway Length (ft)
Wideawake Field ASI 85 0


Intensity Name LOCODE Country
Georgetown SHASI Saint Helena
Ascencion SHASC Saint Helena

More information

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