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Minor earthquake: M2.83 quake has struck near Lincoln in Montana



Earthquake location 46.8775S, -112.5381667WA minor earthquake with magnitude 2.83 (ml/mb) was reported 13 kilometers (8 miles) from Lincoln in Montana on Saturday. The earthquake was roughly at a depth of 11.9 km (7 miles). Event id: mb80235259. Ids that are associated to the earthquake: mb80235259. Global time and date of event 22/07/17 / 2017-07-22 19:49:51 / July 22, 2017 @ 7:49 pm UTC/GMT. The 2.83-magnitude earthquake has occurred at 12:49:51 / 12:49 pm (local time epicenter). Exact location of event, longitude -112.5381667 West, latitude 46.8775 North, depth = 11.9 km.

Country/countries that might be effected, United States (c. 310 233 000 pop). Event epicenter was 50 km (31 miles) from Helena (c. 28 200 pop), 55 km (34 miles) from Helena Valley Southeast (c. 8 200 pop), 44 km (27 miles) from Helena Valley West Central (c. 7 900 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Helena Valley Southeast, Helena, Helena Valley West Central.

Each year there are an estimated 1,300,000 minor quakes in the world. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. In the past 24 hours, there have been one, in the last 10 days five, in the past 30 days fourty-four and in the last 365 days fifty-one earthquakes of magnitude 3.0 or greater that has struck near.

Did you feel it?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 13 km SE of Lincoln, Montana.

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More information

Parameter Value Description
Magnitude 2.83 mb The magnitude for the event.
Longitude -112.5381667° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 46.8775° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 11.9 km Depth of the event in kilometers.
Place 13km 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 2017-07-22 19:49:51 Time when the event occurred. UTC/GMT
Updated 2017-07-23 14:17:48 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 123 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 20 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.045 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 82 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 mb80235259 Id of event.
Event Code 80235259 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,mb80235259, A comma-separated list of event ids that are associated to an event.

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