M 4.6 in United States on 19 Oct 2017 05:35 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: 4.6M
Depth: 100.6 Km
Lat/Lon: 59.7502 , -153.1562
Event Date: 19 Oct 2017 05:35 UTC
18 Oct 2017 21:35 Local
Exposed Population: About 12000 people within 100km
Source: ALASKA EC ak17082078
Inserted at: 19 Oct 2017 06:09 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
ak17082078 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
1184448 0 19 Oct 2017 05:35 4.5M, 103.5km N/A 10 thousand (in 100km) 00:04 ALASKA EC
1184449 0 19 Oct 2017 05:35 4.7M, 109km N/A 10 thousand (in 100km) 00:07 ALASKA EC
1184451 0 19 Oct 2017 05:35 4.8M, 105.2km N/A 10 thousand (in 100km) 00:10 ALASKA EC
1184454 0 19 Oct 2017 05:35 4.8M, 99.4km N/A 10 thousand (in 100km) 00:20 ALASKA EC
1184455 0 19 Oct 2017 05:35 4.6M, 100.6km N/A 10 thousand (in 100km) 00:33 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 (population 7,194) . The alertlevel for this event is GREEN

Intensity Population


Shakemaps Timeline

AlertShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 0 1184455 0/0 N/A N/A N/A 19 Oct 2017 06:15 00:39 (new episode)

Affected Provinces

Intensity Region Province Country Population
Alaska United States 7200 people

Affected populated places. Areas of interest

Intensity Name Region Province Country City class Population Distance
Anchor Point Alaska United States Village 1800 people 74 km
Diamond Ridge Alaska United States Village 1800 people 90 km
Homer Alaska United States Village 3900 people 91 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
Camp Point 2 0 10 km
Anchor River Airpark 37 0 73 km
Homer HOM 24 Civ. Paved Yes 7400 95 km

Ports

Intensity Name LOCODE Country Distance
Homer USHOI Wake Island 100 km

More information

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