Overall Green Earthquake alert in United States on 06 Jul 2017 06:30 UTC

GDACS is a cooperation framework between the United Nations, the European Commission and disaster managers worldwide to improve alerts, information exchange and coordination in the first phase after major sudden-onset disasters.

M 5.8 in United States on 06 Jul 2017 06:30 UTC

Hazard models

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:	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

ID	Alert	Score	Date	Mag, Depth	MMI*	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 888) . The alertlevel for this event is Green

Intensity	Population
	<1000 people
	<1000 people
	33000 people

Shakemaps Timeline

Shake id #	episodeid	Lat/Lon	Magnitude	Depth	Max MMI	Date shake (UTC)	Delay (hh:mm)
1	1172857	46.899/-112.586	5.8	4.3	6.97	06 Jul 2017 06:45	00:15	(new episode)
2	1172857	46.899/-112.586	5.8	4.3	7.58	06 Jul 2017 08:35	02:05	(upd of #1)
3	1172891	46.871/-112.603	5.8	13.57	7.28	06 Jul 2017 08:47	02:17	(new episode)

Affected Provinces

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

Affected populated places. Areas of interest

Name	Region Province	Country	City class	Population	Distance
Lincoln	Montana	United States	Village	1100 people	11 km
Wilborn	Montana	United States	Village	-	19 km
Helmville	Montana	United States	Village	-	28 km
Canyon Creek	Montana	United States	Village	-	27 km
Blossburg	Montana	United States	Village	-	34 km
Austin	Montana	United States	Village	-	37 km
Goldcreek	Montana	United States	Village	-	40 km
Wolf Creek	Montana	United States	Village	-	43 km
Helena Valley West Central	Montana	United States	Village	7000 people	48 km
Craig	Montana	United States	Village	-	53 km
Deer Lodge	Montana	United States	Village	3400 people	54 km
Hall	Montana	United States	Village	-	56 km
Helena Valley Southeast	Montana	United States	Village	7100 people	59 km
Race Track	Montana	United States	Village	-	68 km
Hardy	Montana	United States	Village	-	72 km
Ramsay	Montana	United States	Village	-	96 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
Keiley Ranch Strip		1585				0	11 km
Lincoln		1401				0	12 km
Silver City		1335				0	35 km
Wood Strip		1554				0	38 km
Wilhelm Airstrip		1219				0	46 km
Ox Bow Ranch		1108				0	47 km
Deer Lodge City County		1429				0	55 km
Helena Regional	HLN	1180	Civ.	Paved	Yes	9000	56 km
Larner Field		1436				0	66 km
Barrett Field		1021				0	77 km
Cascade		1091				0	80 km
Townsend		1189				0	105 km

Dams

Reservoir	Dam Name	River	Year	Distance
	Nevada Creek Dam	Nevada Creek	1938	17 km
	Holter Dam	Missouri	1918	48 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.

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