M 4.6 in United States on 16 Aug 2016 19:58 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: 4.6M
Depth: 15 Km
Lat/Lon: 57.0606 , -157.9195
Event Date: 16 Aug 2016 19:58 UTC
16 Aug 2016 11:58 Local
Exposed Population:
About 117 people within 100km
Source: ALASKA EC ak13846870
Inserted at: 16 Aug 2016 20:15 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
ALASKA EC 0 0
ak13846870 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
1136851 0 16 Aug 2016 19:58 4.6M, 15km N/A Few people (in 100km) 00:16 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) . The nearest places are Port Heiden, Meshik, Ugashik, and Pilot Point.

Radius Population
100 km <1000 people
75 km <1000 people
50 km <1000 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

Affected populated places

Name Region Province Country City class Population Distance
Port Heiden Alaska United States Village <1000 people 42 km
Meshik Alaska United States Village - 50 km
Ugashik Alaska United States Village <1000 people 59 km
Pilot Point Alaska United States Village <1000 people 59 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
Port Heiden PTH 29 Civ. Unpaved Yes 6200 45 km
Ugashik Bay UGB 40 0 60 km
Ugashik/new UGS 8 0 61 km
Pilot Point PIP 17 0 62 km
Big Creek BIC unknown 0 70 km
Chignik Fisheries KCG 8 0 88 km
Chignik Bay KBW unknown 0 90 km
Chignik Lagoon KCL 15 0 92 km

Ports

Name LOCODE Country Distance
Port Heiden Wake Island 51 km
Pilot Point Wake Island 61 km
Ugashik Wake Island 61 km
Chignik Wake Island 90 km

More information

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