M 5.8 in United States on 06 Jul 2017 06:30 UTC
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: 5.8M
Depth: 13.57 Km
Lat/Lon: 46.8713 , -112.603
Event Date: 06 Jul 2017 06:30 UTC
06 Jul 2017 00:30 Local
Exposed Population: Less then 100 people in MMI VII
120000 people within 100km
Source: NEIC us10009757
Inserted at: 06 Jul 2017 08:45 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 0.2 0.2
us10009757 Scaled population (vector) 0  
  C1 earthquake 1  
  C2 earthquake 0  
  Country Vulnerability 0  
  INFORM_normalised 1  
Maximum expected impact using different data sources.

ShakeMap is a product of the USGS Earthquake Hazards Program in conjunction with the regional seismic networks. ShakeMaps provide near-real-time maps of ground motion and shaking intensity following significant earthquakes.


Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1172857 0.2 06 Jul 2017 06:30 5.8M, 4.3km 7.58 1 thousand (in MMI>=VII) 00:12 NEIC
1172891 0.2 06 Jul 2017 06:30 5.8M, 13.57km 7.28 888 (in MMI>=VII) 02:14 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 ,of Montana (population 1,090) . The alertlevel for this event is Green

Intensity Population
1100 people
<1000 people
33000 people


Shakemaps Timeline

AlertShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 0 1172857 46.899/-112.586 5.8 4.3 6.97 06 Jul 2017 06:45 00:15 (new episode)
2 0 1172857 46.899/-112.586 5.8 4.3 7.58 06 Jul 2017 08:35 02:05 (upd of #1)
3 0 1172891 46.871/-112.603 5.8 13.57 7.28 06 Jul 2017 08:47 02:17 (new episode)

Affected Provinces

Intensity Region Province Country Population
Montana United States 1100 people
Montana United States <1000 people
Montana United States 33000 people

Affected populated places. Areas of interest

Intensity Name Region Province Country City class Population Distance
Lincoln Montana United States Village 1100 people 10 km
Wilborn Montana United States Village - 18 km
Canyon Creek Montana United States Village - 26 km
Helmville Montana United States Village - 30 km
Blossburg Montana United States Village - 36 km
Austin Montana United States Village - 39 km
Wolf Creek Montana United States Village - 41 km
Goldcreek Montana United States Village - 43 km
Helena Valley West Central Montana United States Village 7000 people 48 km
Craig Montana United States Village - 51 km
Deer Lodge Montana United States Village 3400 people 57 km
Helena Valley Southeast Montana United States Village 7100 people 60 km
Hardy Montana United States Village - 70 km
Race Track Montana United States Village - 71 km
Ramsay Montana United States Village - 100 km

see full list


Critical infrastructure

Airports, ports, nuclear plants and hydrodams at risk, if affected, are listed below.

Airports

Intensity Name IATA Code Elevation (m) Usage Runway type IFR Runway Length (ft) Distance
Lincoln 1401 0 10 km
Keiley Ranch Strip 1585 0 15 km
Silver City 1335 0 35 km
Wood Strip 1554 0 40 km
Ox Bow Ranch 1108 0 45 km
Wilhelm Airstrip 1219 0 46 km
Helena Regional HLN 1180 Civ. Paved Yes 9000 56 km
Deer Lodge City County 1429 0 58 km
Davis 1152 0 59 km
Larner Field 1436 0 69 km
Barrett Field 1021 0 74 km
Townsend 1189 0 106 km

Dams

Intensity Reservoir Dam Name River Year Distance
Nevada Creek Dam Nevada Creek 1938 20 km
Holter Dam Missouri 1918 46 km
Lake Helena Lake Helena Prickly Pear Creek 1972 56 km

More information

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