M 4.9 in United States from 16 Jan 2018 04:41 UTC to 04:41

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: 4.9M
Depth: 1 Km
Lat/Lon: 63.143 , -172.477
Event Date: 16 Jan 2018 04:41 UTC
15 Jan 2018 17:41 Local
Exposed Population: About 700 people within 100km
Source: NTWC     at00p2mt0d
Inserted at: 16 Jan 2018 04:49 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
NTWC     0 0
at00p2mt0d Scaled population (vector) 1.9  
  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
1194434 0 16 Jan 2018 04:41 4.9M, 1km N/A Few people (in 100km) 00:08 NTWC    
1194509 0 16 Jan 2018 04:41 4.7M, 30.1km 3.48 N/A (in MMI>=VII) 15:11 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) .

Radius Population
100 km <1000 people
75 km <1000 people
50 km <1000 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 79 km

Ports

Name LOCODE Country Distance
Gambell Wake Island 78 km

More information

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