M 4.5 in United States on 18 Oct 2016 19:24 UTC
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: 4.5M
Depth: 54 Km
Lat/Lon: 52.8632 , -168.8618
Event Date: 18 Oct 2016 19:24 UTC
18 Oct 2016 11:24 Local
Exposed Population:
Few people within 100km
Source: NEIC us20007f5p
Inserted at: 19 Oct 2016 17:57 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0 0
us20007f5p 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
1143303 0 18 Oct 2016 19:24 4.5M, 52.23km N/A Few people (in 100km) 00:17 NEIC
1143372 0 18 Oct 2016 19:24 4.5M, 54km N/A Few people (in 100km) 22:32 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 Nikolski, and Umnak.

Radius Population
100 km <1000 people
75 km <1000 people
50 km <1000 people
20 km <1000 people
10 km <1000 people
5 km <1000 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
Nikolski Alaska United States Village <1000 people 4 km
Umnak Alaska United States Village - 54 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
Nikolski AS IKO 22 0 3 km

More information

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