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Minor earthquake, 2.9 mag strikes near Atka in Alaska



Earthquake location 51.636S, -173.3453WA minor earthquake with magnitude 2.9 (ml/mb) was reported 85 km SE of Atka, Alaska (53 miles) on Friday. The earthquake occurred at a depth of 14.2 km (9 miles). The 2.9-magnitude earthquake has occurred at 17:58:14 / 5:58 pm (local time epicenter). Exact time and date of event in UTC/GMT: 20/08/16 / 2016-08-20 05:58:14 / August 20, 2016 @ 5:58 am. Id of earthquake: ak13856597. Event ids that are associated: ak13856597. Exact location of event, longitude -173.3453 West, latitude 51.636 North, depth = 14.2 km.

Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage. There are an estimated 130,000 minor quakes in the world each year. In the past 24 hours, there have been 0, in the last 10 days three, in the past 30 days eleven and in the last 365 days three hundred and fourteen earthquakes of magnitude 3.0 or greater that have been detected nearby.

How would you describe the shaking?

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: 85 km SE of Atka, 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 -173.3453° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.636° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 14.2 km Depth of the event in kilometers.
Place 85km SE 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 2016-08-20 05:58:14 Time when the event occurred. UTC/GMT
Updated 2016-09-02 00:23:26 Time when the event was most recently updated. UTC/GMT
Timezone offset -720 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 16 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 208.799983296 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 ak13856597 Id of event.
Event Code 13856597 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak13856597, A comma-separated list of event ids that are associated to an event.

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