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Minor earthquake, 3.1 mag was detected near Rat Islands, Aleutian Islands, Alaska

Earthquake location 50.5556S, 178.5059WA minor earthquake with magnitude 3.1 (ml/mb) was reported Rat Islands, Aleutian Islands, Alaska (0 miles) on Thursday. Global time and date of event 11/02/16 / 2016-02-11 09:42:14 / February 11, 2016 @ 9:42 am UTC/GMT. Exact location of earthquake, longitude 178.5059 East, latitude 50.5556 North, depth = 139.5 km. Unique identifier: ak12797716. Ids that are associated to the event: ak12797716. The earthquake occurred at a depth of 139.5 km (87 miles). The 3.1-magnitude earthquake was detected at 09:42:14 / 9:42 am (local time epicenter).

Each year there are an estimated 130,000 minor quakes in the world. In the past 24 hours, there have been four, in the last 10 days six, in the past 30 days six and in the last 365 days 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.

Questions or comments?

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. 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: Rat Islands, Aleutian Islands, Alaska.

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More information

Parameter Value Description
Magnitude 3.1 mb The magnitude for the event.
Longitude 178.5059° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 50.5556° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 139.5 km Depth of the event in kilometers.
Place Rat Islands, Aleutian Islands, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2016-02-11 09:42:14 Time when the event occurred. UTC/GMT
Updated 2016-02-15 18:43:50 Time when the event was most recently updated. UTC/GMT
Timezone offset 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 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 12 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 2.053549 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.64 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 241.199980704 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 ak12797716 Id of event.
Event Code 12797716 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak12797716, A comma-separated list of event ids that are associated to an event.

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