GDACS is a cooperation framework between the United Nations, the European Commission and disaster managers worldwide to improve alerts, information exchange and coordination in the first phase after major sudden-onset disasters.

M 6.3 in Ascension Island Region on 11 Nov 2017 00:36 UTC
GDACS Event Report - Earthquake impact
Shakemap Image
Shakemap Image. (Source: USGS)KML
Interactive map

Earthquake event

  • Magnitude: 6.3 M
  • Depth: 10 km (very shallow)
  • Area affected by light damage (estimated radius): 54 km (MMI VI)
  • Source: NEIC NEIC us2000blul
  • Location (latitude/longitude): -11.7482, -14.0995
  • Time (UTC): 11 Nov 2017 00:36:15
  • Time (ECT): 11 Nov 2017 01:36:15
  • INFORM Coping capacity: 1.1 ()

Event time line

For accessing reports of previous advisories, please click on the advisory number in the table below.

AlertShake
ID
ScoreepisodeidLat/LonMagnitudeDepthMax
mmi
Date event (UTC)Date shake (UTC)Delay (hh:mm) 
1 0.01 1187058 -11.748200/-14.099500 6.3 10 2.68 11 Nov 2017 00:36 11 Nov 2017 00:59 00:23
2 0.01 1187058 -11.748200/-14.099500 6.3 10 2.68 11 Nov 2017 00:36 11 Nov 2017 02:39 02:03 (upd of #1)

(*) Modified Mercalli Intensity Scale

Earthquake impact details

The earthquake happened in unknowed a zone.

The alertlevel for this event is GREEN

Population

Population in major intensity
Intensity Population
no people
no people
no people

Affected provinces


Affected Places

See complete places

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

Critical infrastructure

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

Nearby and affected airports
Name IATA Code Elevation (m) Usage Runway type IFR Runway Length (ft)
Wideawake Field ASI 85 0

Major ports
Name LOCODE Country
Georgetown SHASI Saint Helena
Ascencion SHASC Saint Helena


More information

Data resources

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

About the data

Disclaimer

While we try everything to ensure accuracy, this information is purely indicative and should not be used for any decision making without alternate sources of information. The JRC is not responsible for any damage or loss resulting from the use of the information presented on this website.