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Minor World Earthquakes Magnitude -3.9

Minor earthquake: M3.1 quake has struck near Lincoln in Montana


Earthquake location 46.8916S, -112.5188WA minor earthquake magnitude 3.1 (ml/mb) has struck on Thursday, 14 kilometers (9 miles) from Lincoln in Montana. Event id: us1000aw2q. Ids that are associated to the earthquake: mb80263264, us1000aw2q. The epicenter of the earthquake was roughly 8.86 km (6 miles) below the earth’s surface. Date and time of earthquake in UTC/GMT: 19/10/17 / 2017-10-19 22:16:59 / October 19, 2017 @ 10:16 pm. Exact location of event, longitude -112.5188 West, latitude 46.8916 North, depth = 8.86 km. The temblor was reported at 15:16:59 / 3:16 pm (local time epicenter).

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), 43 km (27 miles) from Helena Valley West Central (c. 7 900 pop). Country/countries that might be effected, United States (c. 310 233 000 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Helena Valley Southeast, Helena, Helena Valley West Central.

In the past 24 hours, there have been three, in the last 10 days five, in the past 30 days nine and in the last 365 days seventy-eight earthquakes of magnitude 3.0 or greater that has occurred nearby. 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.

How would you describe the shaking?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. 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: 14 km ESE of Lincoln, Montana.

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More information

Parameter Value Description
Magnitude 3.1 mb The magnitude for the event.
Longitude -112.5188° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 46.8916° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 8.86 km Depth of the event in kilometers.
Place 14km 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 2017-10-19 22:16:59 Time when the event occurred. UTC/GMT
Updated 2017-10-30 05:18:30 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 148 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 0.113 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.35 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 114 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 us1000aw2q Id of event.
Event Code 1000aw2q An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,mb80263264,us1000aw2q, A comma-separated list of event ids that are associated to an event.

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