M 5.6 in United States on 06 Oct 2020 05:54 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: 5.6M
Depth: 21.4 Km
Lat/Lon: 54.8617 , -159.8558
Event Date: 06 Oct 2020 05:54 UTC
05 Oct 2020 21:54 Local
Exposed Population: About 800 people within 100km
Source: ALASKA EC ak020cv5sgx1
Inserted at: 06 Oct 2020 06:07 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
ak020cv5sgx1 Scaled population (vector) 2.61  
  C1 earthquake 1  
  C2 earthquake 0  
  Country Vulnerability 0  
  INFORM_normalised 0.65  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1336395 0 06 Oct 2020 05:54 5.8M, 21km N/A Few people (in 100km) 00:05 NTWC
1336396 0 06 Oct 2020 05:54 2.4M, 80.6km N/A Few people (in 100km) 00:07 ALASKA EC
1336399 0 06 Oct 2020 05:54 5.6M, 21.4km N/A Few people (in 100km) 00:12 ALASKA EC
1336403 0 06 Oct 2020 05:54 5.9M, 30.42km 4.71 N/A (in MMI>=VII) 1d 00:04 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 United States , State of Alaska (population 572,432) . The nearest places are Unga, Squaw Harbor, Sand Point, and Village.

Radius Population
100 km <1000 people
75 km <1000 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

Affected populated places

Name Region Province Country City class Population Distance
Unga Alaska United States Village - 56 km
Squaw Harbor Alaska United States Village - 63 km
Sand Point Alaska United States Village <1000 people 68 km
Village Alaska United States Village - 68 km

see full list

Critical infrastructure

Airports, ports, nuclear plants and hydrodams at risk, if affected, are listed below.

Airports

Name IATA Code Elevation (m) Usage Runway type IFR Runway Length (ft) Distance
Squaw Harbor unknown 0 62 km
Sand Point SDP 6 Civ. Paved Yes 4000 67 km

Ports

Name LOCODE Country Distance
Unga Wake Island 56 km
Baralof Bay Wake Island 61 km
Sand Point Wake Island 70 km

More information

For a full list of available products related to this event, please refer to the GDACS Resources page.