M 7.7 in United States on 05 Jan 2013 08:58 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: 7.7M
Depth: 9.6 Km
Lat/Lon: 55.2918 , -134.728
Event Date: 05 Jan 2013 08:58 UTC
04 Jan 2013 23:58 Local
Exposed Population:
Few people within 100km
Source: NEIC usc000ejqv
Inserted at: 05 Jan 2013 09:12 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake Tsunami GDACS score
NEIC 0 1 0.8
usc000ejqv Scaled population (vector) n.a Max wave scenario 0m  
  C1 earthquake n.a Max wave realtime 0.89m  
  C2 earthquake n.a      
  Country Vulnerability n.a      
  INFORM_normalised n.a      
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
121780 0.8 05 Jan 2013 08:58 7.7M, 5km N/A No people affected (in 100km) 0.8m (at 00:42) 00:05 NEIC
121781 0.5 05 Jan 2013 08:58 7.3M, 10km N/A Few people (in 100km) 0.3m (at 00:40) 00:08 NEIC
121782 0.5 05 Jan 2013 08:58 7.4M, 10km N/A No people affected (in 100km) 0.5m (at 03:32) 00:11 NEIC
121783 0.8 05 Jan 2013 08:58 7.7M, 9.6km N/A Few people (in 100km) 0.9m (at 00:44) 00:14 NEIC
121785 0.5 05 Jan 2013 08:58 7.5M, 9.9km N/A No people affected (in 100km) 0.5m (at 03:32) 00:59 NEIC
121793 0.5 05 Jan 2013 08:58 7.5M, 9.8km N/A Few people (in 100km) 0.5m (at 00:38) 04:57 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 , State of Alaska (population 572,432) .

Radius Population
100 km no people
75 km no people
50 km no people
20 km no people
10 km no people
5 km no people
2 km no people

Affected Provinces

Region Province Country Population
Alaska United States 570000 people
British Columbia Canada 3.4 million people

Critical infrastructure

Airports, ports, nuclear plants and hydrodams at risk, if affected, are listed below.

More information

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