M 7.2 in United States on 29 Jul 2021 06:15 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: 7.2M
Glide number: EQ-2021-000099-USA
Depth: 35 Km
Lat/Lon: 55.3154 , -157.8286
Event Date: 29 Jul 2021 06:15 UTC
28 Jul 2021 19:15 Local
Exposed Population: No people within 100km
Source: ALASKA EC ak0219neiszm
Inserted at: 29 Jul 2021 06:24 UTC
INFORM Coping capacity of the alert score
2.2 (United States)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake Tsunami GDACS score
ALASKA EC 0 0.2 0.2
ak0219neiszm Scaled population (vector) 0 Max wave alert 0.26m  
  C1 earthquake 1 Max wave realtime 0.26m  
  C2 earthquake 0      
  Country Vulnerability 0      
  INFORM_normalised 1      
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1387963 0.2 29 Jul 2021 06:15 7.2M, 35km N/A No people affected (in 100km) 0.3m (at 00:54) 00:08 ALASKA EC
1387964 0.5 29 Jul 2021 06:15 7.3M, 3.4km 5.28 N/A (in MMI>=VII) 0.5m (at 01:06) 00:19 ALASKA EC
1387970 0.6 29 Jul 2021 06:15 7.3M, 5.5km N/A No people affected (in 100km) 0.6m (at 00:54) 00:24 ALASKA EC
1387980 1.7 29 Jul 2021 06:15 8.2M, 46.66km 6.42 N/A (in MMI>=VII) 2.4m (at 00:50) 00:35 NEIC
1388004 1.8 29 Jul 2021 06:15 8.2M, 32.2km 7.55 1 thousand (in MMI>=VII) 2.6m (at 00:50) 01:40 ALASKA EC
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 , State of Alaska (population 572,432) .

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
Alaska United States 570000 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.