M 4.5 in United States from 25 Apr 2017 17:23 UTC to 17:23

Hazard models

EQ parameters
Shakemap
Tsunami

Event summary

This is a preliminary assessment. The final GDACS Alert Level has been/will be published using more detailed information.

This earthquake is expected to have a low humanitarian impact based on the magnitude and the affected population and their vulnerability.

Earthquake Magnitude: 4.5M
Depth: 113.23 Km
Lat/Lon: 54.8978 , -161.5245
Event Date: 25 Apr 2017 17:23 UTC
25 Apr 2017 09:23 Local
Exposed Population:
About 1000 people within 100km
Source: NEIC us10008krp
Inserted at: 25 Apr 2017 17:39 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 n.a n.a
us10008krp 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
1165332 n.a 25 Apr 2017 17:23 4.5M, 113.23km N/A 2 thousand (in 100km) 00:15 NEIC
1165448 n.a 25 Apr 2017 17:23 4.5M, 90.6km N/A 1 thousand (in 100km) 20:51 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 Belkofski, and King Cove.

Radius Population
100 km 1500 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
Belkofski Alaska United States Village - 39 km
King Cove Alaska United States Village <1000 people 53 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
King Cove KVC 47 0 53 km

Ports

Name LOCODE Country Distance
Belkofski Wake Island 38 km
King Cove Wake Island 53 km

More information

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