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Minor earthquake, 2.8 mag has occurred near Atka in Alaska



Earthquake location 51.9878S, -175.3546WA minor earthquake magnitude 2.8 (ml/mb) has occurred on Wednesday, 82 km WSW of Atka, Alaska (51 miles). Exact location of event, longitude -175.3546 West, latitude 51.9878 North, depth = 72.2 km. The epicenter was at a depth of 72.2 km (45 miles). The temblor was detected at 02:13:02 / 2:13 am (local time epicenter). Exact time and date of event in UTC/GMT: 16/03/16 / 2016-03-16 11:13:02 / March 16, 2016 @ 11:13 am. Id of earthquake: us20005cch. Event ids that are associated: ak12985093, us20005cch.

There are an estimated 1,300,000 minor earthquakes in the world each year. In the past 24 hours, there have been twenty-four, in the last 10 days thirty-seven, in the past 30 days fifty and in the last 365 days two hundred and fifty-four earthquakes of magnitude 3.0 or greater that has occurred nearby. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage.

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What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city 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: 82 km WSW of Atka, Alaska.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -175.3546° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.9878° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 72.2 km Depth of the event in kilometers.
Place 82km WSW 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 2016-03-16 11:13:02 Time when the event occurred. UTC/GMT
Updated 2016-04-10 09:35:39 Time when the event was most recently updated. UTC/GMT
Timezone offset -540 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 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 ,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 0.32 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 ml The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us20005cch Id of event.
Event Code 20005cch An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak12985093,us20005cch, A comma-separated list of event ids that are associated to an event.

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