M 4.7 in United States on 16 Jan 2018 04:41 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: 4.7M
Depth: 30.1 Km
Lat/Lon: 63.1214 , -172.5025
Event Date: 16 Jan 2018 04:41 UTC
15 Jan 2018 16:41 Local
Exposed Population: About 700 people within 100km
Source: ALASKA EC ak18063187
Inserted at: 16 Jan 2018 19:52 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
ak18063187 Scaled population (vector) 0  
  C1 shakemap 0  
  C2 shakemap 0  
  Country Vulnerability 0  
  INFORM_normalised 0  
Maximum expected impact using different data sources.

ShakeMap is a product of the USGS Earthquake Hazards Program in conjunction with the regional seismic networks. ShakeMaps provide near-real-time maps of ground motion and shaking intensity following significant earthquakes.


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 ,of Alaska. The alertlevel for this event is GREEN

Intensity Population


Shakemaps Timeline

AlertShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 0 1194509 0/0 N/A N/A N/A 16 Jan 2018 19:52 15:11 (new episode)
2 0 1194509 0/0 N/A N/A N/A 16 Jan 2018 19:54 15:13 (upd of #1)
3 0 1194509 0/0 N/A N/A N/A 19 Jan 2018 23:10 3d 18:29 (upd of #2)

Affected Provinces

Intensity Region Province Country Population
Alaska United States <1000 people


Critical infrastructure

Airports, ports, nuclear plants and hydrodams at risk, if affected, are listed below.

Ports

Intensity Name LOCODE Country Distance
Gambell Wake Island 81 km

More information

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