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Minor earthquake, 3.1 mag has occurred near Adak in Alaska


Earthquake location 52.268S, -176.0678WA minor earthquake with magnitude 3.1 (ml/mb) was reported 59 km NE of Adak, Alaska (37 miles) on Monday. Exact location of earthquake, longitude -176.0678 West, latitude 52.268 North, depth = 196.16 km. The epicenter was at a depth of 196.16 km (122 miles). The temblor was reported at 23:23:27 / 11:23 pm (local time epicenter). Event id: us10003pm7. Ids that are associated to the earthquake: ak11738501, us10003pm7. Exact time and date of event in UTC/GMT: 13/10/15 / 2015-10-13 08:23:27 / October 13, 2015 @ 8:23 am.

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

Did you feel it?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 59 km NE of Adak, Alaska.

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More information

Parameter Value Description
Magnitude 3.1 mb The magnitude for the event.
Longitude -176.0678° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 52.268° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 196.16 km Depth of the event in kilometers.
Place 59km NE of Adak, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-10-13 08:23:27 Time when the event occurred. UTC/GMT
Updated 2015-10-25 06:18:18 Time when the event was most recently updated. UTC/GMT
Timezone offset -540 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 148 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 ,ak,us, 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 0.175 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.51 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 153 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 us10003pm7 Id of event.
Event Code 10003pm7 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak11738501,us10003pm7, A comma-separated list of event ids that are associated to an event.

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