M 4.8 in United States from 17 Feb 2020 09:18 UTC to 09:18

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: 4.8M
Depth: 110 Km
Lat/Lon: 57.7084 , -156.3984
Event Date: 17 Feb 2020 09:18 UTC
17 Feb 2020 00:18 Local
Exposed Population: Few people within 100km
Source: ALASKA EC ak02027j9fgu
Inserted at: 17 Feb 2020 09:25 UTC
INFORM Coping capacity of the alert score
2.2 (United States)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)		 GDACS score
ALASKA EC 0 0
ak02027j9fgu Scaled population (raster) 0  
  C1 shakemap -0.59  
  C2 shakemap 0.53  
  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
1296624 0 17 Feb 2020 09:18 4.8M, 118.5km N/A Few people (in 100km) 00:04 ALASKA EC
1296625 0 17 Feb 2020 09:18 4.8M, 113.5km N/A Few people (in 100km) 00:05 ALASKA EC
1296626 0 17 Feb 2020 09:18 4.8M, 110km 3.39 N/A (in MMI>=VII) 00:07 ALASKA EC
1296627 0 17 Feb 2020 09:18 4.7M, 98.9km 3.39 N/A (in MMI>=VII) 00:11 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) . The nearest places are Kanatak, and Ugashik.

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
Kanatak Alaska United States Village - 26 km
Ugashik Alaska United States Village <1000 people 64 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
Bear Creek BCC unknown 0 33 km
Fort Jensen 73 0 46 km
Ugashik Bay UGB 40 0 63 km
Ugashik/new UGS 8 0 63 km
Big Creek BIC unknown 0 71 km
Pilot Point PIP 17 0 71 km
Egegik EGX 26 Civ. Unpaved No 3000 79 km
Bartletts 15 0 80 km
Bartletts Bistol Bay BSZ unknown 0 89 km
Brooks Lake BKF unknown 0 100 km

Ports

Name LOCODE Country Distance
Kanatak Wake Island 27 km
Ugashik Wake Island 64 km
Pilot Point Wake Island 73 km
Egegik Wake Island 81 km

More information

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