M 4.8 in United States on 29 Jul 2020 13:09 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: 4.8M
Depth: 37.12 Km
Lat/Lon: 54.7508 , -161.0895
Event Date: 29 Jul 2020 13:09 UTC
29 Jul 2020 02:09 Local
Exposed Population:
About 2000 people within 100km
Source: NEIC us6000b62p
Inserted at: 29 Jul 2020 13:40 UTC
INFORM Coping capacity of the alert score
2.2 (United States)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0 0
us6000b62p Scaled population (vector) 2.37  
  C1 earthquake 1  
  C2 earthquake 0  
  Country Vulnerability 0  
  INFORM_normalised 0.65  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1323920 0 29 Jul 2020 13:09 4.8M, 37.12km N/A 2 thousand (in 100km) 00:31 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 Unga, and Squaw Harbor.

Radius Population
100 km 2300 people
75 km <1000 people
50 km no 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
Unga Alaska United States Village - 61 km
Squaw Harbor Alaska United States Village - 65 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
Squaw Harbor unknown 0 63 km
Sand Point SDP 6 Civ. Paved Yes 4000 73 km
King Cove KVC 47 0 86 km

Ports

Name LOCODE Country Distance
Unga Wake Island 61 km
Baralof Bay Wake Island 64 km
Belkofski Wake Island 71 km
Sand Point Wake Island 74 km
King Cove Wake Island 85 km

More information

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