M 6.1 in United States on 22 Jul 2020 06:16 UTC

Hazard models

EQ parameters
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: 6.1M
Depth: 17.67 Km
Lat/Lon: 54.9322 , -159.0423
Event Date: 22 Jul 2020 06:16 UTC
21 Jul 2020 22:16 Local
Exposed Population: No people within 100km
Source: NEIC us7000asx4
Inserted at: 22 Jul 2020 07:44 UTC
INFORM Coping capacity of the alert score: 2.2 (United States)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)		 GDACS score
NEIC 0 0
us7000asx4 Scaled population (raster) 0  
  C1 shakemap -0.59  
  C2 shakemap 0.53  
  Country Vulnerability 0  
  INFORM_normalised 0.65  
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
1322945 0 22 Jul 2020 06:16 6.1M, 17.67km 5.94 N/A (in MMI>=VII) 01:28 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 United States ,of Alaska. 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 1322945 54.932/-159.042 6.1 17.7 5.935 22 Jul 2020 08:25 02:09 (new episode)
2 0 1322945 54.932/-159.042 6.1 17.7 5.935 22 Jul 2020 09:41 03:25 (upd of #1)
3 0 1322945 54.932/-159.042 6.1 17.7 5.935 23 Jul 2020 06:23 1d 00:07 (upd of #2)

Affected Provinces

Intensity Region Province Country Population
Alaska United States no people
Alaska United States no people


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.