M 5.5 in United States on 22 Jul 2020 21:39 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: 5.5M
Depth: 34.56 Km
Lat/Lon: 55.2191 , -159.2945
Event Date: 22 Jul 2020 21:39 UTC
22 Jul 2020 13:39 Local
Exposed Population:
About 800 people within 100km
Source: NEIC us6000b29h
Inserted at: 23 Jul 2020 07:12 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
NEIC 0 0
us6000b29h Scaled population (vector) 1.94  
  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
1323041 0 22 Jul 2020 21:39 5.5M, 34.56km N/A Few people (in 100km) 09:32 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 and Village.

Radius Population
100 km <1000 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

Affected populated places

Name Region Province Country City class Population Distance
Village Alaska United States Village - 63 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
Ivanof Bay KIB unknown 0 76 km
Perryville 7 0 77 km
Sand Point SDP 6 Civ. Paved Yes 4000 79 km
Squaw Harbor unknown 0 80 km

Ports

Name LOCODE Country Distance
Ivanof Bay Wake Island 66 km
Unga Wake Island 77 km
Perryville USPYX Wake Island 77 km
Baralof Bay Wake Island 78 km
Sand Point Wake Island 81 km

More information

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