Minor earthquake 2.9 mag, 18 km NE of Deer Lodge, Montana

A minor earthquake magnitude 2.9 (ml/mb) has struck on Wednesday, 18 kilometers (11 miles) from Deer Lodge in Montana. The earthquake occurred at a depth of 12.9 km (8 miles) below the earth’s surface. The temblor was picked up at 14:32:01 / 2:32 pm (local time epicenter). Global date and time of event UTC/GMT: 29/07/15 / 2015-07-29 20:32:01 / July 29, 2015 @ 8:32 pm. Exact location of earthquake, -112.579° West, 46.5198° North, depth 12.9 km. Event id: mb31467. Ids that are associated to the earthquake: mb31467.

Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Butte-Silver Bow (Balance), Butte, Anaconda. Event epicenter was 57 km (36 miles) from Butte (c. 34 200 pop), 69 km (43 miles) from Butte-Silver Bow (Balance) (c. 33 500 pop), 42 km (26 miles) from Helena (c. 28 200 pop), 52 km (32 miles) from Anaconda (c. 9 400 pop), 51 km (32 miles) from Helena Valley Southeast (c. 8 200 pop). Nearby country/countries that might be effected, United States (c. 310 233 000 pop).

There are an estimated 130,000 minor quakes in the world each year. In the past 24 hours, there have been 0, in the last 10 days 0, in the past 30 days 0 and in the last 365 days five earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage.

Did you feel it?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 18 km NE of Deer Lodge, Montana.

More information

Parameter	Value	Description
Magnitude	2.9 mb	The magnitude for the event.
Longitude	-112.579° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	46.5198° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	12.9 km	Depth of the event in kilometers.
Place	18km NE of Deer Lodge, Montana	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2015-07-29 20:32:01	Time when the event occurred. UTC/GMT
Updated	2015-07-29 20:35:47	Time when the event was most recently updated. UTC/GMT
Timezone offset	-360	Timezone offset from UTC in minutes at the event epicenter.
Felt	0	The total number of felt reports
CDI	1	The maximum reported intensity for the event.
MMI		The maximum estimated instrumental intensity for the event.
Alert Level		The alert level from the PAGER earthquake impact scale. Green, Yellow, Orange or Red.
Review Status	automatic	Indicates whether the event has been reviewed by a human.
Tsunami	0	This flag is set to "1" for large events in oceanic regions and "0" otherwise. The existence or value of this flag does not indicate if a tsunami actually did or will exist.
SIG	129	A number describing how significant the event is. Larger numbers indicate a more significant event.
Network	mb	The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources	,mb,	A comma-separated list of network contributors.
Number of Stations Used	15	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.6018712	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.41 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	136.799989056	The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type	mc	The method or algorithm used to calculate the preferred magnitude for the event.
Event Type	earthquake	Type of seismic event.
Event ID	mb31467	Id of event.
Event Code	31467	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,mb31467,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake 2.9 mag, 18 km NE of Deer Lodge, Montana

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