M 4.9 in Central Alaska on 27 Sep 2014 03:53 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: 41.9 Km
Lat/Lon: 62 , -149.85
Event Date: 27 Sep 2014 03:53 UTC
26 Sep 2014 19:53 Local
Exposed Population:
353816 people within 100km
Source: NEIC
Inserted at: 27 Sep 2014 05:39 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0.1 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
1061146 0 27 Sep 2014 03:53 4.7M, 28km N/A 340 thousand (in 100km) 00:06 NEIC
1061147 n.a 27 Sep 2014 03:53 4.7M, 28km N/A 340 thousand (in 100km) 00:07 USGS
1061149 0.1 27 Sep 2014 03:53 5M, 51.55km N/A 340 thousand (in 100km) 00:27 NEIC
1061156 0 27 Sep 2014 03:53 4.9M, 41.9km N/A 350 thousand (in 100km) 01:45 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 Anchorage, and Caswell.

Radius Population
100 km 340000 people
75 km 87000 people
50 km 9700 people
20 km 1400 people
10 km <1000 people
5 km <1000 people
2 km <1000 people

Affected Provinces

Region Province Country Population
Alaska United States 570000 people

Affected populated places

Name Region Province Country City class Population Distance
Caswell Alaska United States Village - 8 km
Anchorage Alaska United States Major city 260000 people 91 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
Secluded Lake 91 5 km
Montana Creek 76 11 km
Rustic Wilderness 58 19 km

Ports

Name LOCODE Country Distance
Palmer Wake Island 67 km
Anchorage USANC Wake Island 91 km

More information

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