M 6.7 in United States from 11 Jan 2022 11:35 UTC to 11:35

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: 6.7M
Depth: 33 Km
Event Date: 11 Jan 2022 11:35 UTC
11 Jan 2022 00:35 Local
Exposed Population: Few people affected in 100km
Source: NTWC at00r5jmvn
Inserted at: 11 Jan 2022 11:47 UTC
INFORM Coping capacity of the alert score:
2.2 (United States)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake Tsunami GDACS score
NTWC 0 0 0
at00r5jmvn Scaled population (raster) 0.18 Max wave alert 0.08m  
  C1 earthquake 1 Max wave realtime 0.08m  
  C2 earthquake 0      
  Country Vulnerability 0      
  INFORM_normalised 0.65      
Maximum expected impact using different data sources.
Click on image to zoom it.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1420595 0 11 Jan 2022 11:35 6.7M, 33km N/A N/A (in MMI>=VII) 0.1m (at 00:31) 00:11 NTWC
1420597 0 11 Jan 2022 11:35 6.7M, 33km 3.91 N/A (in MMI>=VII) 0.1m (at 00:31) 00:14 PTWC
1420598 0 11 Jan 2022 11:35 5.5M, 1km 3.91 N/A (in MMI>=VII) 00:14 ALASKA EC
1420600 0.2 11 Jan 2022 11:35 6.8M, 22.32km 6.13 N/A (in MMI>=VII) 0.2m (at 00:36) 00:24 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.

Tsunami affected locations

The maximum Wave height is  0.1m in Umnak, United States. This height is estimated for 11-Jan-2022 12:06:55.

Alert Date (UTC) Name Country Wave height (m)
11-Jan-2022 12:06:55 Umnak United States  0.1
11-Jan-2022 11:55:35 Nikolski United States  0.1

See full locations list (RSS)


Initial conditions

Title: ""91 km SE of Nikolski""

Fault parameters

  • Latitude: 52.48
  • Longitude: -167.736
  • Length: 35 km
  • Width: 9 km
  • Magnitude: 6.7 M

Okada parameters:

  • Slip: 1 m
  • Strike: 247 (geogr angle: north=0, south=180)
  • Dip: 15 degree
  • Rake: 90 degree
  • Depth: 33 km

Calculation parameters

  • Calculation space (lon/lat): -170.736, 49.48, -164.736, 55.48
  • Instead of Step -> use Cell size:.5 minutes

Sea Level

More information

  • Timeline:
    Tsunami calculations performed to this case, click here

  • Montecarlo:
    Tsunami Montecarlo simulation performed to this case, click here

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