M 6 in United States on 25 Aug 2018 16:50 UTC
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: 6.0M
Depth: 35.14 Km
Lat/Lon: 52.2883 , -171.1857
Event Date: 25 Aug 2018 16:50 UTC
25 Aug 2018 07:50 Local
Exposed Population: No people within 100km
Source: NEIC us1000gh9x
Inserted at: 25 Aug 2018 17:04 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
NEIC 0 0
us1000gh9x Scaled population (vector) 0  
  C1 shakemap -0.59  
  C2 shakemap 0.53  
  Country Vulnerability 0  
  INFORM_normalised 0.65  
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
1225765 0 25 Aug 2018 16:50 5.6M, 39km N/A No people affected (in 100km) 00:05 NTWC    
1225769 0 25 Aug 2018 16:50 6M, 35.14km 4.34 N/A (in MMI>=VII) 00:14 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. The alertlevel for this event is GREEN

Intensity Population
no people
no people


Shakemaps Timeline

AlertShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 0 1225769 52.288/-171.186 6 35.14 4.19 25 Aug 2018 17:05 00:15 (new episode)
2 0 1225769 52.288/-171.186 6 35.14 4.34 25 Aug 2018 18:52 02:02 (upd of #1)

Affected Provinces

Intensity Region Province Country Population
Alaska United States no people
Alaska United States <1000 people

Affected populated places. Areas of interest

Intensity Name Region Province Country City class Population Distance
Chernofski Alaska United States Village - 275 km
Kashega Alaska United States Village - 301 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
Nikolski AS IKO 22 0 174 km
Atka AKB 10 0 206 km
Umnak Island UMB unknown 0 252 km
Chernofski Harbor KCN unknown 0 275 km

Ports

Intensity Name LOCODE Country Distance
Palisades Point Wake Island 203 km

More information

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