M 4.6 in United States on 29 Aug 2012 12:50 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.

Updated: this report is based on episode 1.

Earthquake Magnitude: 4.6M
Depth: 5.1 Km
Lat/Lon: 60.2687 , -150.706
Event Date: 29 Aug 2012 12:50 UTC
29 Aug 2012 04:50 Local
Exposed Population:
About 53000 people within 100km
Source: NEIC ak10548942
Inserted at: 29 Aug 2012 13:02 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0.5 0.5
ak10548942 Scaled population (vector) n.a  
  C1 earthquake n.a  
  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
119107 0.5 29 Aug 2012 12:50 4.6M, 78.2km N/A 50 thousand (in 100km) 00:08 NEIC
119108 0.5 29 Aug 2012 12:50 4.6M, 5.1km N/A 50 thousand (in 100km) 00:11 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) . The nearest places are and Seward.

Radius Population
100 km 53000 people
75 km 42000 people
50 km 30000 people
20 km <1000 people
10 km <1000 people
5 km no people
2 km no people

Affected Provinces

Region Province Country Population
Alaska United States 570000 people

Affected populated places

Name Region Province Country City class Population Distance
Seward Alaska United States Major city 2800 people 73 km

see full list

Critical infrastructure

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

Airports

Name IATA Code Elevation (m) Usage Runway type IFR Runway Length (ft) Distance
Soldotna SXQ 33 Civ. Paved Yes 5000 29 km
Skilak Blm Helistop 84 29 km
Rotor Air 61 29 km
Dahler Homestead 91 29 km

Ports

Name LOCODE Country Distance
Kenai Wake Island 43 km
Ninilchik Wake Island 58 km
Nikiski USNKI Wake Island 59 km

More information

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