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Minor earthquake, 3.1 mag was detected near Nikiski in Alaska


Earthquake location 61.116S, -151.8509WA minor earthquake with magnitude 3.1 (ml/mb) was reported 56 kilometers (35 miles) from Nikiski in Alaska on Wednesday. The temblor was reported at 10:29:56 / 10:29 am (local time epicenter). Exact location of event, longitude -151.8509 West, latitude 61.116 North, depth = 98.9 km. Unique identifier: ak12939933. Ids that are associated to the event: ak12939933. Global time and date of event 02/03/16 / 2016-03-02 19:29:56 / March 2, 2016 @ 7:29 pm UTC/GMT. The earthquake was roughly at a depth of 98.9 km (61 miles).

Closest city/cities/towns to epicentrum/hypocenter was Kenai (min 5000 pop). Country/countries that might be effected, United States (c. 310 233 000 pop). Event epicenter was 70 km (44 miles) from Kenai (c. 7 100 pop).

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

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. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 56 km NNW of Nikiski, Alaska.

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More information

Parameter Value Description
Magnitude 3.1 mb The magnitude for the event.
Longitude -151.8509° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 61.116° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 98.9 km Depth of the event in kilometers.
Place 56km NNW of Nikiski, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2016-03-02 19:29:56 Time when the event occurred. UTC/GMT
Updated 2016-03-02 19:54:16 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 automatic 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 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 0.68 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 ak12939933 Id of event.
Event Code 12939933 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak12939933, A comma-separated list of event ids that are associated to an event.

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