M 4.8 in United States from 16 Oct 2017 13:54 UTC to 13:54
EQ parameters
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: 22.6 Km
Lat/Lon: 63.1347 , -172.3296
Event Date: 16 Oct 2017 13:54 UTC
16 Oct 2017 02:54 Local
Exposed Population: About 600 people within 100km
Source: ALASKA EC ak17054715
Inserted at: 16 Oct 2017 16:52 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
ak17054715 Scaled population (vector) 0  
  C1 shakemap 0  
  C2 shakemap 0  
  Country Vulnerability 0  
  INFORM_normalised 0  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1184146 0 16 Oct 2017 13:54 4.6M, 10km N/A No people affected (in 100km) 00:08 NTWC    
1184171 0 16 Oct 2017 13:54 4.8M, 22.6km 3.14 N/A (in MMI>=VII) 02:57 ALASKA EC
1184196 0 16 Oct 2017 13:54 4.5M, 12.95km 3.23 Few people (in 100km) 06:51 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) .

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
Chukotskiy avtonomnyy okrug Russian Federation -

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
Gambell GAM 8 Civ. Paved Yes 4500 77 km

More information

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