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Minor earthquake, 2.81 mag has occurred near Lincoln in Montana


Earthquake location 46.9048333S, -112.5203333WA minor earthquake magnitude 2.81 (ml/mb) has occurred on Sunday, 13 kilometers (8 miles) from Lincoln in Montana. Date and time of earthquake in UTC/GMT: 23/07/17 / 2017-07-23 22:38:44 / July 23, 2017 @ 10:38 pm. All ids that are associated to the event: mb80235594. Unique identifier: mb80235594. The epicenter of the earthquake was roughly 11.78 km (7 miles) below the earth’s surface. Exact location, longitude -112.5203333° West, latitude 46.9048333° North, depth = 11.78 km. The temblor was reported at 15:38:44 / 3:38 pm (local time epicenter).

Earthquake epicenter was 51 km (31 miles) from Helena (c. 28 200 pop), 56 km (35 miles) from Helena Valley Southeast (c. 8 200 pop), 44 km (27 miles) from Helena Valley West Central (c. 7 900 pop). Close country/countries, United States (c. 310 233 000 pop) (That might be effected). Nearest cities/city/towns to hypocenter/epicentrum was Helena Valley Southeast, Helena, Helena Valley West Central (min 5000 pop).

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

Did you feel it?

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. 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: 13 km ESE of Lincoln, Montana.

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More information

Parameter Value Description
Magnitude 2.81 mb The magnitude for the event.
Longitude -112.5203333° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 46.9048333° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 11.78 km Depth of the event in kilometers.
Place 13km ESE 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 2017-07-23 22:38:44 Time when the event occurred. UTC/GMT
Updated 2017-07-24 16:09:21 Time when the event was most recently updated. UTC/GMT
Timezone offset -420 Timezone offset from UTC in minutes at the event epicenter.
Felt 1 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 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 122 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 0.018 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.17 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 108 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 mb80235594 Id of event.
Event Code 80235594 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,mb80235594, A comma-separated list of event ids that are associated to an event.

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