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Minor World Earthquakes Magnitude -3.9

Minor earthquake 2.9 mag, 11 km S of Lincoln, Montana


Earthquake location 46.8553S, -112.6679WA minor earthquake magnitude 2.9 (ml/mb) strikes 11 kilometers (7 miles) from Lincoln in Montana on Tuesday. Exact time and date of earthquake 10/04/18 / 2018-04-10 07:32:37 / April 10, 2018 @ 7:32 am UTC/GMT. The earthquake occurred at a depth of 9.69 km (6 miles). The 2.9-magnitude earthquake has occurred at 00:32:37 / 12:32 am (local time epicenter). Exact location of event, longitude -112.6679 West, latitude 46.8553 North, depth = 9.69 km. Unique identifier: us2000dxj1. Ids that are associated to the event: mb80288899, us2000dxj1.

Country/countries that might be effected, United States (c. 310 233 000 pop). Nearest cities/city/towns to hypocenter/epicentrum was Helena Valley Southeast, Helena, Helena Valley West Central (min 5000 pop). Earthquake epicenter was 56 km (35 miles) from Helena (c. 28 200 pop), 63 km (39 miles) from Helena Valley Southeast (c. 8 200 pop), 51 km (32 miles) from Helena Valley West Central (c. 7 900 pop).

In the past 24 hours, there have been three, in the last 10 days three, in the past 30 days six and in the last 365 days ninety-three earthquakes of magnitude 3.0 or greater that have been detected in the same area. There are an estimated 130,000 minor quakes in the world each year. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage.

How would you describe the shaking?

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. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 11 km S of Lincoln, Montana.

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More information

Parameter Value Description
Magnitude 2.9 mb The magnitude for the event.
Longitude -112.6679° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 46.8553° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 9.69 km Depth of the event in kilometers.
Place 11km S 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 2018-04-10 07:32:37 Time when the event occurred. UTC/GMT
Updated 2018-04-20 06:13:35 Time when the event was most recently updated. UTC/GMT
Timezone offset -420 Timezone offset from UTC in minutes at the event epicenter.
Felt 2 The total number of felt reports
CDI 3.1 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 130 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 0.283 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.77 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 105 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 us2000dxj1 Id of event.
Event Code 2000dxj1 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,mb80288899,us2000dxj1, A comma-separated list of event ids that are associated to an event.

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