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Earthquake breaking news, Minor World Earthquakes Magnitude -3.9

Minor earthquake, 3.1 mag strikes near Clancy in Montana


Earthquake location 46.4772S, -112.11WA minor earthquake magnitude 3.1 (ml/mb) has occurred on Sunday, 9 kilometers (6 miles) from Clancy in Montana. The temblor was picked up at 21:30:18 / 9:30 pm (local time epicenter). The epicenter of the earthquake was roughly 3.02 km (2 miles) below the earth’s surface. Exact time and date of event in UTC/GMT: 07/12/15 / 2015-12-07 04:30:18 / December 7, 2015 @ 4:30 am. Unique identifier: us100044jn. Ids that are associated to the event: us100044jn. Exact location, longitude -112.11° West, latitude 46.4772° North, depth = 3.02 km.

Epicenter of the earthquake was 62 km (38 miles) from Butte (c. 34 200 pop), 77 km (48 miles) from Butte-Silver Bow (Balance) (c. 33 500 pop), 14 km (9 miles) from Helena (c. 28 200 pop), 75 km (46 miles) from Anaconda (c. 9 400 pop), 21 km (13 miles) from Helena Valley Southeast (c. 8 200 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Butte-Silver Bow (Balance), Anaconda, Butte. Nearby country/countries, United States (c. 310 233 000 pop) (That might be effected).

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

Questions or comments?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 9 km W of Clancy, Montana.

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More information

Parameter Value Description
Magnitude 3.1 mb The magnitude for the event.
Longitude -112.11° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 46.4772° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 3.02 km Depth of the event in kilometers.
Place 9km W of Clancy, Montana Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-12-07 04:30:18 Time when the event occurred. UTC/GMT
Updated 2015-12-07 04:58:34 Time when the event was most recently updated. UTC/GMT
Timezone offset -420 Timezone offset from UTC in minutes at the event epicenter.
Felt 81 The total number of felt reports
CDI 3.8 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 reviewed 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 179 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network us The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,us, A comma-separated list of network contributors.
Number of Stations Used The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.303 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.66 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 64 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type ml The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us100044jn Id of event.
Event Code 100044jn An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us100044jn, A comma-separated list of event ids that are associated to an event.

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