M 6.5 in United States on 31 Mar 2020 23:52 UTC

Event summary

This earthquake can have a low humanitarian impact based on the magnitude and the affected population and their vulnerability.

GDACS ID EQ 1212226
Earthquake Magnitude: 6.5M
Depth: 10 Km
Lat/Lon: 44.4484 , -115.1361
Event Date: 31 Mar 2020 23:52 UTC
31 Mar 2020 17:52 Local
Exposed Population: Less then 100 people in MMI VIII
About 16000 people within 100km
Inserted at: 01 Apr 2020 02:48 UTC
INFORM Coping capacity:
2.2 (United States)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)		 GDACS score
NEIC 0 0
us70008jr5 Scaled population (raster) 1.04  
  C1 shakemap -0.59  
  C2 shakemap 0.53  
  Country Vulnerability 0  
  INFORM_normalised 0.65  
Maximum expected impact using different data sources.
Virtual OSOCC
Meteo assessment
Satellite products
Analytical products
USA, Idaho - Earthquake (ECHO 01 Apr 2020)Wed, 01 Apr 2020 13:04

  • An earthquake of 6.5 M at a depth of 10 km occurred in central Idaho (USA) on 31 March at 23:52 UTC (17:52 local time). The epicentre was located in the Salmon River Mountains area, approximately 30 km north-west of Stanley Village (Custer County). The earthquake was followed by some aftershocks in the area (the main one of 4.6 M at a depth of 10 km occurred on 1 April at 00:27 UTC (18:27 local time).
  • USGS PAGER estimates that up to 39,000 people were exposed to moderate shaking.
  • As of 1 April, no further casualties or damage have been reported. 
Detailed event map. European Union, 2024. Map produced by EC-JRC.
The boundaries and the names shown on this map do not imply official endorsement or acceptance by the European Union.

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Estimated casualties (PAGER)

USGS estimates the number of casualties for each earthquake for the Prompt Assessment of Global Earthquakes for Response (PAGER) product.
The graph shows the current fatalities estimate.

Exposed population

Data, images, links, services and documents

For this events, GDACS has links to information from the following sources: EC-JRC (48), (3), NEIC (4), OCHA (1), INGV (1), WMO (1), USGS (5), INFORM (2),