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Minor World Earthquakes Magnitude -3.9

Minor earthquake: M3.8 quake has struck near Atka in Alaska



Earthquake location 51.314S, -173.771WA minor earthquake magnitude 3.8 (ml/mb) strikes 102 km SSE of Atka, Alaska (63 miles) on Thursday. The temblor was detected at 18:52:32 / 6:52 pm (local time epicenter). The epicenter was at a depth of 12.4 km (8 miles). Exact time and date of event in UTC/GMT: 18/12/15 / 2015-12-18 06:52:32 / December 18, 2015 @ 6:52 am. Exact location of event, depth 12.4 km, -173.771° West, 51.314° North. Id of earthquake: us10004886. Event ids that are associated: ak12284901, us10004886.

Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. In the past 24 hours, there have been nine, in the last 10 days eleven, in the past 30 days fifteen and in the last 365 days two hundred and seventy earthquakes of magnitude 3.0 or greater that has occurred nearby. Each year there are an estimated 130,000 minor earthquakes in the world.

Did you feel anything?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 102 km SSE of Atka, Alaska. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.8 mb The magnitude for the event.
Longitude -173.771° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.314° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 12.4 km Depth of the event in kilometers.
Place 102km SSE of Atka, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-12-18 06:52:32 Time when the event occurred. UTC/GMT
Updated 2016-01-08 12:45:27 Time when the event was most recently updated. UTC/GMT
Timezone offset -720 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 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 222 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 ,ak,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 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 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mb The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us10004886 Id of event.
Event Code 10004886 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak12284901,us10004886, A comma-separated list of event ids that are associated to an event.

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