M 6 in Ascension Island Region on 22 Aug 2020 08:38 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: 6.0M
Depth: 10 Km
Lat/Lon: -7.0742 , -12.6887
Event Date: 22 Aug 2020 08:38 UTC
22 Aug 2020 07:38 Local
Exposed Population: No people within 100km
Source: NEIC us6000biyj
Inserted at: 22 Aug 2020 10:42 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
us6000biyj 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
1327961 0 22 Aug 2020 08:38 5.9M, 10km 3.16 N/A (in MMI>=VII) 02:04 NEIC
1328024 0 22 Aug 2020 08:38 6M, 10km 3.26 N/A (in MMI>=VII) 02:04 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 1327961 -7.095/-12.691 5.9 10.0 3.164 22 Aug 2020 08:59 00:21 (new episode)
2 0 1327961 -7.095/-12.691 5.9 10.0 3.164 22 Aug 2020 09:09 00:31 (upd of #1)
3 0 1327961 -7.095/-12.691 5.9 10.0 3.164 22 Aug 2020 10:42 02:04 (upd of #2)
4 0 1328024 -7.074/-12.689 6.0 10.0 3.256 22 Aug 2020 19:17 10:39 (new episode)
5 0 1328024 -7.074/-12.689 6.0 10.0 3.256 23 Aug 2020 08:43 1d 00:05 (upd of #4)

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.