M 5.5 in United States on 30 Nov 2020 04:59 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: 5.5M
Depth: 34 Km
Lat/Lon: 52.7214 , -168.2949
Event Date: 30 Nov 2020 04:59 UTC
29 Nov 2020 17:59 Local
Exposed Population: Few people within 100km
Source: NEIC us7000cl2f
Inserted at: 04 Dec 2020 00:14 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
us7000cl2f 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
1345589 0 30 Nov 2020 04:59 5.4M, 48.56km 3.87 N/A (in MMI>=VII) 00:15 NEIC
1345686 0 30 Nov 2020 04:59 5.5M, 30.89km 3.8 N/A (in MMI>=VII) 15:07 NEIC
1346207 0 30 Nov 2020 04:59 5.5M, 34km 3.76 N/A (in MMI>=VII) 3d 19:15 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 15) . 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 1345589 52.914/-168.466 5.4 48.6 3.966 30 Nov 2020 05:18 00:19 (new episode)
2 0 1345589 52.914/-168.466 5.4 48.6 3.869 30 Nov 2020 06:01 01:01 (upd of #1)
3 0 1345589 52.914/-168.466 5.4 48.6 3.869 30 Nov 2020 07:05 02:05 (upd of #2)
4 0 1345686 52.728/-168.363 5.5 30.9 3.714 30 Nov 2020 20:10 15:11 (new episode)
5 0 1345686 52.728/-168.363 5.5 30.9 3.803 01 Dec 2020 05:06 1d 00:07 (upd of #4)
6 0 1346207 52.721/-168.295 5.5 34.0 3.765 04 Dec 2020 00:20 3d 19:20 (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

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 45 km

More information

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