M 5.4 in South Of Alaska on 30 Jul 2021 03:52 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: 5.4M
Depth: 47.7 Km
Lat/Lon: 55.3827 , -156.985
Event Date: 30 Jul 2021 03:52 UTC
29 Jul 2021 17:52 Local
Exposed Population: No people within 100km
Source: ALASKA EC ak0219p0hp3k
Inserted at: 30 Jul 2021 04:01 UTC
INFORM Coping capacity of the alert score
2.2 (United States)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
ALASKA EC 0 0
ak0219p0hp3k Scaled population (vector) 0  
  C1 earthquake 1  
  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
1388300 0 30 Jul 2021 03:52 5.4M, 52km N/A No people affected (in 100km) 00:06 ALASKA EC
1388301 0 30 Jul 2021 03:52 5.4M, 47.7km N/A No people affected (in 100km) 00:09 ALASKA EC
1388304 0 30 Jul 2021 03:52 5.4M, 2.8km 3.58 N/A (in MMI>=VII) 00:11 ALASKA EC
1388305 0 30 Jul 2021 03:52 5.8M, 5km 3.58 N/A (in MMI>=VII) 00:12 ALASKA EC
1388306 0 30 Jul 2021 03:52 5.4M, 5km 3.08 N/A (in MMI>=VII) 00:14 ALASKA EC
1388309 0 30 Jul 2021 03:52 5.5M, 33km 3.16 N/A (in MMI>=VII) 00:26 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.