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Minor earthquake: M3 quake has struck near Nikolski in Alaska


Earthquake location 53.178S, -168.3952WA minor earthquake magnitude 3 (ml/mb) has occurred on Friday, 41 km NE of Nikolski, Alaska (25 miles). Exact location of earthquake, -168.3952° West, 53.178° North, depth 72.7 km. Id of earthquake: ak11734708. Event ids that are associated: ak11734708. The 3-magnitude earthquake has occurred at 20:51:58 / 8:51 pm (local time epicenter). The earthquake occurred at a depth of 72.7 km (45 miles). Exact time and date of event in UTC/GMT: 10/10/15 / 2015-10-10 05:51:58 / October 10, 2015 @ 5:51 am.

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

Did you feel it?

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: 41 km NE of Nikolski, Alaska.

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More information

Parameter Value Description
Magnitude 3 mb The magnitude for the event.
Longitude -168.3952° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 53.178° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 72.7 km Depth of the event in kilometers.
Place 41km NE of Nikolski, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-10-10 05:51:58 Time when the event occurred. UTC/GMT
Updated 2015-10-15 01:25:43 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 0.42 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 ak11734708 Id of event.
Event Code 11734708 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak11734708, A comma-separated list of event ids that are associated to an event.

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