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Minor earthquake, 3 mag strikes near Little Sitkin Island in Alaska



Earthquake location 51.7286S, 178.6712WA minor earthquake magnitude 3 (ml/mb) strikes 27 km SSE of Little Sitkin Island, Alaska (17 miles) on Tuesday. The 3-magnitude earthquake was detected at 20:00:27 / 8:00 pm (local time epicenter). Exact time and date of event in UTC/GMT: 07/10/15 / 2015-10-07 05:00:27 / October 7, 2015 @ 5:00 am. Exact location of earthquake, longitude 178.6712 East, latitude 51.7286 North, depth = 93 km. Id of earthquake: ak11732924. Event ids that are associated: ak11732924. The earthquake was roughly at a depth of 93 km (58 miles).

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

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, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 27 km SSE of Little Sitkin Island, Alaska. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3 mb The magnitude for the event.
Longitude 178.6712° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.7286° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 93 km Depth of the event in kilometers.
Place 27km SSE of Little Sitkin Island, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-10-07 05:00:27 Time when the event occurred. UTC/GMT
Updated 2015-10-13 01:31:10 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 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 0.47 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 ak11732924 Id of event.
Event Code 11732924 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak11732924, A comma-separated list of event ids that are associated to an event.

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