M 4.9 in United States on 27 Apr 2024 04:42 UTC

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: 58.3 Km
Lat/Lon: 51.4563 , 179.795
Event Date: 27 Apr 2024 04:42 UTC
26 Apr 2024 19:42 Local
Exposed Population:
Source: NEIC us6000mu7g
Inserted at: 27 Apr 2024 05:02 UTC
INFORM Coping capacity of the alert score
2.2 (United States)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Rapid Impact)
GDACS score
NEIC 0 0
us6000mu7g Scaled population (vector) 0  
  C1 rapid impact 0  
  C2 rapid impact 0  
  Country Vulnerability 0  
  INFORM_normalised 0  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1567567 0 27 Apr 2024 04:42 4.8M, 38.5km 3.33 N/A (in MMI>=VII) 00:12 ALASKA EC
1567569 0 27 Apr 2024 04:42 4.9M, 58.3km 3.81 No people affected (in 100km) 00:19 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. The nearest places are and Amchitka.

Radius Population
100 km no people
75 km no 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 no people

Affected populated places

Name Region Province Country City class Population Distance
Amchitka Alaska United States Village <1000 people 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
Amchitka Island AHT 69 0 38 km

Ports

Name LOCODE Country Distance
Constantine Harbour Wake Island 36 km
Amchitka Island Wake Island 55 km
Semisopochroi Wake Island 57 km

More information

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