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Minor earthquake: M2.9 quake has struck near Unimak Island region, Alaska

Earthquake location 54.2879S, -164.1691WA minor earthquake with magnitude 2.9 (ml/mb) was reported Unimak Island region, Alaska (0 miles) on Wednesday. Global date and time of event UTC/GMT: 02/08/17 / 2017-08-02 12:11:56 / August 2, 2017 @ 12:11 pm. Unique identifier: ak16404050. Ids that are associated to the event: ak16404050. The temblor was reported at 12:11:56 / 12:11 pm (local time epicenter). Exact location of event, depth 75.2 km, -164.1691° West, 54.2879° North. The epicenter of the earthquake was roughly 75.2 km (47 miles) below the earth’s surface.

Every year there are an estimated 130,000 minor earthquakes in the world. In the past 24 hours, there have been two, in the last 10 days four, in the past 30 days seven and in the last 365 days one hundred and fourty-nine earthquakes of magnitude 3.0 or greater that has struck near. Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage.

Questions or comments?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: Unimak Island region, Alaska. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.9 mb The magnitude for the event.
Longitude -164.1691° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 54.2879° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 75.2 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 2017-08-02 12:11:56 Time when the event occurred. UTC/GMT
Updated 2017-08-21 20:03:47 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 129 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 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 0.36 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 ak16404050 Id of event.
Event Code 16404050 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak16404050, A comma-separated list of event ids that are associated to an event.

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