M 5.6 in Ascension Island Region on 11 Jun 2022 07:29 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: 10 Km
Lat/Lon: -8.0129 , -13.6184
Event Date: 11 Jun 2022 07:29 UTC
11 Jun 2022 06:29 Local
Exposed Population: Less then 100 people in MMI V
Few people affected in 100km
Source: NEIC us7000hgp6
Inserted at: 11 Jun 2022 07:51 UTC
INFORM Coping capacity of the alert score: 1.1 ()

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)
GDACS score
NEIC 0 0
us7000hgp6 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
1447940 0 11 Jun 2022 07:29 5.6M, 10km 3.73 less than 100 (in MMI>=VII) 00:21 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


Shakemaps Timeline

AlertShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 0 1447940 -8.013/-13.618 5.6 10.0 3.648 11 Jun 2022 07:52 00:22 (new episode)
2 0 1447940 -8.013/-13.618 5.6 10.0 3.648 11 Jun 2022 09:32 02:02 (upd of #1)
3 0 1447940 -7.992/-13.618 5.6 10.0 3.651 11 Jun 2022 16:11 08:42 (upd of #2)
4 0 1447940 -7.992/-13.618 5.6 10.0 3.732 12 Jun 2022 07:40 1d 00:10 (upd of #3)

Affected Provinces


Affected populated places. Areas of interest

Intensity Name Region Province Country City class Population Distance
Georgetown St. Helena City <1000 people 88 km

see full list


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)
Wideawake Field ASI 85 0

Ports

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.