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Minor earthquake, 3 mag strikes near Unimak Island region, Alaska



Earthquake location 53.864S, -163.7506WA minor earthquake with magnitude 3 (ml/mb) was detected on Friday, Unimak Island region, Alaska (0 miles). Unique identifier: ak12710967. Ids that are associated to the event: ak12710967. Exact location of event, longitude -163.7506 West, latitude 53.864 North, depth = 54 km. The earthquake occurred at a depth of 54 km (34 miles). The temblor was detected at 20:29:49 / 8:29 pm (local time epicenter). Global date and time of event UTC/GMT: 05/02/16 / 2016-02-05 20:29:49 / February 5, 2016 @ 8:29 pm.

Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage. Every year there are an estimated 130,000 minor earthquakes in the world. In the past 24 hours, there have been three, in the last 10 days five, in the past 30 days fifteen and in the last 365 days one hundred and thirty-two earthquakes of magnitude 3.0 or greater that have been detected nearby.

Did you feel anything?

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: Unimak Island region, Alaska.

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More information

Parameter Value Description
Magnitude 3 mb The magnitude for the event.
Longitude -163.7506° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 53.864° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 54 km Depth of the event in kilometers.
Place Unimak Island region, 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 20:29:49 Time when the event occurred. UTC/GMT
Updated 2016-02-15 18:40:03 Time when the event was most recently updated. UTC/GMT
Timezone offset 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 138 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network ak The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,ak, A comma-separated list of network contributors.
Number of Stations Used 16 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.7788394 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.55 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 219.599982432 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 ak12710967 Id of event.
Event Code 12710967 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak12710967, A comma-separated list of event ids that are associated to an event.

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