M 5.9 in United States on 06 Oct 2020 05:54 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: 5.9M
Depth: 30.42 Km
Lat/Lon: 54.8444 , -159.8598
Event Date: 06 Oct 2020 05:54 UTC
05 Oct 2020 21:54 Local
Exposed Population: Few people within 100km in MMI>=IV
About 800 people within 100km
Source: NEIC us6000c5zm
Inserted at: 07 Oct 2020 05:59 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
us6000c5zm Scaled population (raster) 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
1336395 0 06 Oct 2020 05:54 5.8M, 21km N/A Few people (in 100km) 00:05 NTWC
1336396 0 06 Oct 2020 05:54 2.4M, 80.6km N/A Few people (in 100km) 00:07 ALASKA EC
1336399 0 06 Oct 2020 05:54 5.6M, 21.4km N/A Few people (in 100km) 00:12 ALASKA EC
1336403 0 06 Oct 2020 05:54 5.9M, 30.42km 4.71 less than 100 (in MMI>=VII) 1d 00:04 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 572,432) . The alertlevel for this event is GREEN

Intensity Population
no people


Shakemaps Timeline

AlertShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 0 1336403 54.862/-159.856 5.6 21.4 4.557 06 Oct 2020 06:13 00:18 (new episode)
2 0 1336403 54.844/-159.86 5.9 30.4 4.864 06 Oct 2020 06:18 00:24 (upd of #1)
3 0 1336403 54.844/-159.86 5.9 30.4 4.708 06 Oct 2020 07:12 01:17 (upd of #2)
4 0 1336403 54.844/-159.86 5.9 30.4 4.708 06 Oct 2020 08:02 02:07 (upd of #3)
5 0 1336403 54.844/-159.86 5.9 30.4 4.708 06 Oct 2020 09:10 03:16 (upd of #4)
6 0 1336403 54.844/-159.86 5.9 30.4 4.708 07 Oct 2020 05:59 1d 00:04 (upd of #5)

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
Unga Alaska United States Village - 56 km
Squaw Harbor Alaska United States Village - 63 km
Village Alaska United States Village - 68 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)
Squaw Harbor unknown 0
Sand Point SDP 6 Civ. Paved Yes 4000

Ports

Intensity Name LOCODE Country
Unga Wake Island
Baralof Bay Wake Island

More information

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