M 6.6 in Antarctica on 21 Feb 2022 23:24 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: 6.6M
Depth: 10 Km
Lat/Lon: -69.7688 , 165.4105
Event Date: 21 Feb 2022 23:24 UTC
22 Feb 2022 12:24 Local
Exposed Population: No people affected in 100km
Source: NEIC us7000gmtt
Inserted at: 21 Feb 2022 23:43 UTC


For more info on GDACS alert score click here.
Tsunami GDACS score
NEIC 0 0 0
us7000gmtt Scaled population (raster) 0 Max wave alert 0m  
  C1 shakemap -0.59 Max wave realtime 0m  
  C2 shakemap 0.53      
  Country Vulnerability 0      
  INFORM_normalised 1      
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1427615 0 21 Feb 2022 23:24 6.6M, 10km 4.1 No people affected (in 100km) 0m (at 00:00) 00:19 NEIC
1427617 0 21 Feb 2022 23:24 6.3M, 10km 3.91 N/A (in MMI>=VII) 0m (at 00:00) 00:46 NEIC
1428817 0 21 Feb 2022 23:24 6.3M, 14km 3.93 No people affected (in 100km) 0m (at 00:00) 6d 22:38 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.

Radius Population
100 km no people
75 km no people
50 km no people
20 km no people
10 km no people
5 km no people
2 km no people

Affected Provinces

Region Province Country Population
Antarctica Antarctica -

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.