M 5.7 in United States on 31 May 2016 20:51 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: 5.7M
Depth: 39.91 Km
Lat/Lon: 55.4516 , -158.5344
Event Date: 31 May 2016 20:51 UTC
31 May 2016 09:51 Local
Exposed Population: About 400 people within 100km
Source: NEIC
Inserted at: 01 Jun 2016 15:54 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0 0
Scaled population (vector) n.a  
  C1 earthquake n.a  
  C2 earthquake n.a  
  Country Vulnerability n.a  
  INFORM_normalised n.a  
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
1129831 0 31 May 2016 20:51 5.4M, 53km N/A Few people (in 100km) 00:05 NTWC    
1129836 0 31 May 2016 20:51 5.8M, 35.84km 4.03 Few people (in 100km) 00:23 NEIC
1129900 0 31 May 2016 20:51 5.7M, 39.91km 4.07 Few people (in 100km) 19:02 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 ,of Alaska (population 56) . The alertlevel for this event is Green

Intensity Population


Shakemaps Timeline

AlertShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 0 1129900 55.452/-158.534 5.7 39.91 4.07 17 Oct 2016 11:19 138d 14:28 (new episode)

Affected Provinces

Intensity Region Province Country Population
Alaska United States <1000 people

Affected populated places. Areas of interest

Intensity Name Region Province Country City class Population Distance
Mitrofania Alaska United States Village - 60 km

see full list


Critical infrastructure

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

Airports

Intensity Name IATA Code Elevation (m) Usage Runway type IFR Runway Length (ft) Distance
Perryville 7 0 64 km

Ports

Intensity Name LOCODE Country Distance
Perryville USPYX Wake Island 63 km

More information

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