M 6.6 in United States on 11 Jan 2022 12:39 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: 6.6M
Depth: 11.23 Km
Lat/Lon: 52.6047 , -168.155
Event Date: 11 Jan 2022 12:39 UTC
11 Jan 2022 01:39 Local
Exposed Population: Less then 100 people in MMI V
Few people affected in 100km
Source: NEIC us7000gawk
Inserted at: 11 Jan 2022 13:29 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)		 Tsunami GDACS score
NEIC 0 0.1 0.1
us7000gawk Scaled population (raster) 0 Max wave alert 0.17m  
  C1 shakemap -0.59 Max wave realtime 0.17m  
  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
1420620 0 11 Jan 2022 12:39 6.5M, 37km 3.36 Few people (in 100km) 0m (at 00:00) 00:18 NTWC
1420622 0 11 Jan 2022 12:39 6.5M, 37km 3.36 N/A (in MMI>=VII) 0m (at 00:00) 00:20 PTWC
1420624 0.1 11 Jan 2022 12:39 6.7M, 11.96km 3.36 N/A (in MMI>=VII) 0.2m (at 00:17) 00:23 NEIC
1420627 0 11 Jan 2022 12:39 6.5M, 15.58km 5.01 N/A (in MMI>=VII) 0.1m (at 00:16) 00:27 NEIC
1420635 0.1 11 Jan 2022 12:39 6.6M, 11.23km 5.07 N/A (in MMI>=VII) 0.2m (at 00:16) 00:49 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
<1000 people


Shakemaps Timeline

AlertShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 0 1420624 51.867/-167.54 5.9 62.7 3.361 11 Jan 2022 12:54 00:15 (new episode)
2 0 1420627 52.625/-168.15 6.7 12.0 5.512 11 Jan 2022 13:06 00:26 (new episode)
3 0 1420635 52.638/-168.153 6.5 15.6 5.014 11 Jan 2022 13:13 00:33 (new episode)
4 0 1420635 52.605/-168.155 6.6 11.2 5.068 11 Jan 2022 13:33 00:53 (upd of #3)
5 0 1420635 52.605/-168.155 6.6 11.2 5.068 11 Jan 2022 14:47 02:07 (upd of #4)
6 0 1420635 52.605/-168.155 6.6 11.2 5.068 12 Jan 2022 13:40 1d 01:01 (upd of #5)

Affected Provinces

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

Affected populated places. Areas of interest

Intensity Name Region Province Country City class Population Distance
Chernofski Alaska United States Village - 98 km
Kashega Alaska United States Village - 117 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 60 km
Umnak Island UMB unknown 0 87 km
Chernofski Harbor KCN unknown 0 98 km

More information

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