M 6.5 in United States on 31 Mar 2020 23:52 UTC
EQ parameters
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: 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
Source: NEIC us70008jr5
Inserted at: 01 Apr 2020 02:48 UTC
INFORM Coping capacity of the alert score
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.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1303303 0 31 Mar 2020 23:52 6.5M, 10km 8.19 less than 100 (in MMI>=VII) 02:56 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 Idaho (population 1,047,727) . The nearest places are Casto, Lower Stanley, Stanley, Camp Creek Summer Home Area, Bear Creek Summer Home Area, Grandjean, Bonanza, Custer, Sunbeam, Landmark, and Alpha.

Radius Population
100 km 17000 people
75 km 4700 people
50 km <1000 people
20 km <1000 people
10 km <1000 people
5 km no people
2 km no people

Affected Provinces

Region Province Country Population
Idaho United States 1 million people

Affected populated places

Name Region Province Country City class Population Distance
Casto Idaho United States Village - 27 km
Lower Stanley Idaho United States Village - 30 km
Stanley Idaho United States Village <1000 people 30 km
Camp Creek Summer Home Area Idaho United States Village - 31 km
Bear Creek Summer Home Area Idaho United States Village - 32 km
Grandjean Idaho United States Village - 32 km
Bonanza Idaho United States Village - 34 km
Custer Idaho United States Village - 36 km
Sunbeam Idaho United States Village - 38 km
Landmark Idaho United States Village - 40 km
Robinson Bar Idaho United States Village - 43 km
Obsidian Idaho United States Village - 47 km
Warm Lake Idaho United States Village - 47 km
Torreys Idaho United States Village - 48 km
Long Creek Summit Home Idaho United States Village - 50 km
Stibnite Idaho United States Village - 53 km
Midnight Idaho United States Village - 55 km
Lowman Idaho United States Village - 56 km
Banner Idaho United States Village - 57 km
Sullivan Hot Springs Idaho United States Village - 59 km
Clayton Idaho United States Village <1000 people 62 km
Yellow Pine Idaho United States Village - 64 km
Sawtooth City Idaho United States Village - 66 km
Bayhorse Idaho United States Village - 66 km
Eagle Nest Idaho United States Village - 66 km
Alpha Idaho United States Village - 70 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
Bruce Meadows 1942 0 15 km
Morgan Ranch 1717 0 18 km
Sulphur Creek Ranch 1779 0 20 km
Silva Ranch 1951 0 23 km
Upper Loon Creek Usfs 1676 0 30 km
Stanley 1952 0 31 km
Thomas Creek 1341 0 33 km
Indian Creek Usfs 1433 0 35 km
Warm Springs Creek 1472 0 37 km
Mahoney Creek Usfs 1408 0 37 km
Landmark Usfs 2031 0 38 km
Deadwood Dam Airstrip 1673 0 44 km
Lower Loon Creek 1280 0 48 km
Stibnite 1993 0 53 km
Graham Usfs 1745 0 56 km
Johnson Creek 1504 0 59 km
Smiley Creek 2182 0 65 km
Bernard Usfs 1105 0 67 km
Reed Ranch 1266 0 67 km
Cascade 1445 0 70 km
Atlanta 1676 0 71 km
Weatherby Usfs 1370 0 71 km
Valley County Hospital 1463 0 73 km
Golden Age Mine 1509 0 73 km
Challis CHL 1546 Civ. Paved No 4600 74 km
Krassel Usfs 1214 0 75 km
Taylor Ranch Landing Area 1169 0 76 km
Garden Valley 960 0 76 km
Soldier Bar Usfs 1277 0 77 km
Big Creek 1753 0 78 km
Cabin Creek Usfs 1307 0 79 km
Donnelly 1481 0 82 km
Bear Air 1495 0 83 km
High Valley Bills 1488 0 84 km
Hidden Lakes 1477 0 87 km
Idaho City Usfs 1195 0 90 km
McCall MYL 1531 Civ. Paved Yes 6100 91 km
Cold Meadows Usfs 2143 0 95 km
Everett 1879 0 95 km
Twin Bridges 2101 0 99 km
May 1623 0 100 km

Dams

Reservoir Dam Name River Year Distance
Deadwood Deadwood Deadwood River 1930 44 km
Lake Cascade Cascade North Fork of Payette River 1947 73 km

More information

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