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Minor earthquake: M2.8 quake has struck near Lincoln in Montana


Earthquake location 46.8578S, -112.601WA minor earthquake magnitude 2.8 (ml/mb) strikes 12 kilometers (7 miles) from Lincoln in Montana on Friday. Id of earthquake: us1000d7zs. Event ids that are associated: mb80286829, us1000d7zs. Exact time and date of earthquake 23/03/18 / 2018-03-23 08:04:48 / March 23, 2018 @ 8:04 am UTC/GMT. The epicenter of the earthquake was roughly 9.86 km (6 miles) below the earth’s surface. The temblor was reported at 01:04:48 / 1:04 am (local time epicenter). Exact location, longitude -112.601° West, latitude 46.8578° North, depth = 9.86 km.

Epicenter of the earthquake was 52 km (32 miles) from Helena (c. 28 200 pop), 58 km (36 miles) from Helena Valley Southeast (c. 8 200 pop), 47 km (29 miles) from Helena Valley West Central (c. 7 900 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Helena Valley Southeast, Helena, Helena Valley West Central. Close country/countries, United States (c. 310 233 000 pop) (That might be effected).

There are an estimated 1,300,000 minor quakes in the world each year. 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 three, in the past 30 days five and in the last 365 days ninety earthquakes of magnitude 3.0 or greater that have been detected nearby.

Did you feel the quake?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 12 km SSE of Lincoln, Montana. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -112.601° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 46.8578° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 9.86 km Depth of the event in kilometers.
Place 12km SSE 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 2018-03-23 08:04:48 Time when the event occurred. UTC/GMT
Updated 2018-03-24 05:02:50 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 121 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 ,mb,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 0.241 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.71 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 110 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 us1000d7zs Id of event.
Event Code 1000d7zs An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,mb80286829,us1000d7zs, A comma-separated list of event ids that are associated to an event.

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