M 6.8 in United States on 24 Jan 2016 10:30 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: 6.8M
Depth: 123.4 Km
Event Date: 24 Jan 2016 10:30 UTC
24 Jan 2016 01:30 Local
Exposed Population: About 3912 people within 100km
Source: ALASKA EC
Inserted at: 24 Jan 2016 11:24 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake Tsunami GDACS score
ALASKA EC n.a 0 0.5
Scaled population (vector) n.a Max wave scenario 0m  
  C1 earthquake n.a Max wave realtime 0m  
  C2 earthquake n.a      
  Country Vulnerability n.a      
  INFORM_normalised n.a      
Maximum expected impact using different data sources.
Click on image to zoom it.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1116194 n.a 24 Jan 2016 10:30 6.4M, 142km N/A 5 thousand (in 100km) 00:05 NTWC    
1116196 n.a 24 Jan 2016 10:30 7.1M, 97km N/A 1 thousand (in 100km) 00:08 GEOFON
1116203 n.a 24 Jan 2016 10:30 7.1M, 127.84km N/A 3 thousand (in 100km) 00:20 NEIC
1116211 0.5 24 Jan 2016 10:30 6.8M, 123.4km 3.91 4 thousand (in 100km) 0m (at 00:00) 00:53 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.

Tsunami affected locations

Alert Date (UTC) Name Country Wave height (m)

See full locations list (RSS)


Initial conditions

Title: "M6.8 83km E of Old Iliamna. Alaska"

Fault parameters

  • Latitude: 59.605
  • Longitude: -153.341
  • Length: 39 km
  • Width: 11 km
  • Magnitude: 6.8 M

Okada parameters:

  • Slip: 1 m
  • Strike: 236 (geogr angle: north=0, south=180)
  • Dip: 15 degree
  • Rake: 90 degree
  • Depth: 123 km

Calculation parameters

  • Calculation space (lon/lat): -156.341, 56.605, -150.341, 62.605
  • Instead of Step -> use Cell size:.41 minutes

Sea Level

More information

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

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