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Minor earthquake: M3 quake has struck near Rat Islands, Aleutian Islands, Alaska



Earthquake location 51.1852S, 178.822WA minor earthquake magnitude 3 (ml/mb) has struck on Wednesday, Rat Islands, Aleutian Islands, Alaska (0 miles). The epicenter was at a depth of 9.2 km (6 miles). The temblor was reported at 02:16:05 / 2:16 am (local time epicenter). Global date and time of event UTC/GMT: 03/05/17 / 2017-05-03 02:16:05 / May 3, 2017 @ 2:16 am. Exact location of event, longitude 178.822 East, latitude 51.1852 North, depth = 9.2 km. All ids that are associated to the event: ak15880858. Unique identifier: ak15880858.

Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage. In the past 24 hours, there have been four, in the last 10 days twenty-one, in the past 30 days twenty-two and in the last 365 days one hundred and fifty-seven earthquakes of magnitude 3.0 or greater that have been detected in the same area. There are an estimated 130,000 minor earthquakes in the world each year.

Questions or comments?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. 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: Rat Islands, Aleutian Islands, Alaska.

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More information

Parameter Value Description
Magnitude 3 mb The magnitude for the event.
Longitude 178.822° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.1852° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 9.2 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 2017-05-03 02:16:05 Time when the event occurred. UTC/GMT
Updated 2017-05-14 18:56:02 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 138 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 0.53 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 ak15880858 Id of event.
Event Code 15880858 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak15880858, A comma-separated list of event ids that are associated to an event.

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