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Minor earthquake: M2.8 quake has struck near Unalaska in Alaska


Earthquake location 51.895S, -164.9231WA minor earthquake with magnitude 2.8 (ml/mb) was reported 245 km SSE of Unalaska, Alaska (152 miles) on Thursday. Event ids that are associated to the earthquake: us200050dv, ak12798657. Id of event: us200050dv. Exact time and date of earthquake 05/02/16 / 2016-02-05 02:31:59 / February 5, 2016 @ 2:31 am UTC/GMT. The temblor was picked up at 15:31:59 / 3:31 pm (local time epicenter). Exact location of earthquake, -164.9231° West, 51.895° North, depth 15.01 km. The earthquake occurred at a depth of 15.01 km (9 miles) below the earth’s surface.

There are an estimated 1,300,000 minor quakes in the world each year. In the past 24 hours, there have been 0, in the last 10 days 0, in the past 30 days two and in the last 365 days nine earthquakes of magnitude 3.0 or greater that has struck near. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage.

Did you feel the quake?

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. 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: 245 km SSE of Unalaska, Alaska.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -164.9231° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.895° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 15.01 km Depth of the event in kilometers.
Place 245km SSE of Unalaska, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2016-02-05 02:31:59 Time when the event occurred. UTC/GMT
Updated 2016-03-04 03:56:11 Time when the event was most recently updated. UTC/GMT
Timezone offset -660 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 ,us,ak, 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 2.176 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.19 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 314 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 us200050dv Id of event.
Event Code 200050dv An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us200050dv,ak12798657, A comma-separated list of event ids that are associated to an event.

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