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Minor earthquake, 2.87 mag strikes near Lincoln in Montana

Earthquake location 46.8738333S, -112.5386667WA minor earthquake magnitude 2.87 (ml/mb) has occurred on Monday, 14 kilometers (9 miles) from Lincoln in Montana. The 2.87-magnitude earthquake was detected at 06:40:04 / 6:40 am (local time epicenter). Event id: mb80256219. Ids that are associated to the earthquake: mb80256219. Exact location of earthquake, longitude -112.5386667 West, latitude 46.8738333 North, depth = 11.88 km. Date and time of earthquake in UTC/GMT: 18/09/17 / 2017-09-18 13:40:04 / September 18, 2017 @ 1:40 pm. The epicenter was at a depth of 11.88 km (7 miles).

Earthquake epicenter was 49 km (31 miles) from Helena (c. 28 200 pop), 55 km (34 miles) from Helena Valley Southeast (c. 8 200 pop), 43 km (27 miles) from Helena Valley West Central (c. 7 900 pop). Nearby country/countries that might be effected, United States (c. 310 233 000 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Helena Valley Southeast, Helena, Helena Valley West Central.

Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. In the past 24 hours, there have been 0, in the last 10 days three, in the past 30 days six and in the last 365 days sixty-nine earthquakes of magnitude 3.0 or greater that has occurred nearby. Every year there are an estimated 1,300,000 minor earthquakes in the world.

Did you feel anything?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 14 km SE of Lincoln, Montana. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.87 mb The magnitude for the event.
Longitude -112.5386667° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 46.8738333° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 11.88 km Depth of the event in kilometers.
Place 14km SE of Lincoln, Montana Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-09-18 13:40:04 Time when the event occurred. UTC/GMT
Updated 2017-09-18 15:46:19 Time when the event was most recently updated. UTC/GMT
Timezone offset -420 Timezone offset from UTC in minutes at the event epicenter.
Felt The total number of felt reports
CDI 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 127 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 22 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.048 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.19 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 79 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 mb80256219 Id of event.
Event Code 80256219 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,mb80256219, A comma-separated list of event ids that are associated to an event.

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