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Minor earthquake, 3.1 mag strikes near Atka in Alaska



Earthquake location 51.7916S, -173.0798WA minor earthquake magnitude 3.1 (ml/mb) has struck on Tuesday, 89 km ESE of Atka, Alaska (55 miles). Exact location of earthquake, longitude -173.0798 West, latitude 51.7916 North, depth = 183.6 km. The temblor was detected at 09:24:45 / 9:24 am (local time epicenter). The epicenter of the earthquake was roughly 183.6 km (114 miles) below the earth’s surface. Event ids that are associated to the earthquake: ak14005110. Id of event: ak14005110. Global time and date of event 13/09/16 / 2016-09-13 21:24:45 / September 13, 2016 @ 9:24 pm UTC/GMT.

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

Did you feel it?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 89 km ESE of Atka, Alaska.

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More information

Parameter Value Description
Magnitude 3.1 mb The magnitude for the event.
Longitude -173.0798° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.7916° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 183.6 km Depth of the event in kilometers.
Place 89km ESE 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 2016-09-13 21:24:45 Time when the event occurred. UTC/GMT
Updated 2016-09-20 15:20:06 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 148 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 20 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.7896191 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.67 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 205.199983584 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 ak14005110 Id of event.
Event Code 14005110 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak14005110, A comma-separated list of event ids that are associated to an event.

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