M 4.9 in Southern Alaska on 12 Mar 2016 21:57 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: 4.9M
Depth: 99 Km
Lat/Lon: 60.2518 , -152.3118
Event Date: 12 Mar 2016 21:57 UTC
12 Mar 2016 12:57 Local
Exposed Population:
About 46356 people within 100km
Source: ALASKA EC
Inserted at: 12 Mar 2016 22:39 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
ALASKA EC n.a 0
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
1122156 n.a 12 Mar 2016 21:57 4.5M, 107km N/A 50 thousand (in 100km) 00:05 NTWC    
1122158 n.a 12 Mar 2016 21:57 4.6M, 106km N/A 50 thousand (in 100km) 00:11 ALASKA EC
1122160 n.a 12 Mar 2016 21:57 5.1M, 99.9km 3.66 50 thousand (in 100km) 00:23 ALASKA EC
1122161 0 12 Mar 2016 21:57 4.9M, 99km 3.48 50 thousand (in 100km) 00:41 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.

Exposed population

The earthquake happened in United States , State of Alaska (population 572,432) .

Radius Population
100 km 46000 people
75 km 34000 people
50 km 1400 people
20 km no people
10 km no people
5 km no people
2 km no people

Affected Provinces

Country Region Province Population
United States Alaska 570000 people

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
Drift River DRF 9 39 km
Ninilchik NIN 84 44 km

Ports

Name LOCODE Country Distance
Snug Harbor Wake Island 24 km
Ninilchik Wake Island 37 km
Drift River Wake Island 37 km

More information

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