Minor earthquake: M2.8 quake has struck near Nikiski in Alaska

A minor earthquake magnitude 2.8 (ml/mb) has struck on Saturday, 65 km NNW of Nikiski, Alaska (40 miles). The earthquake was roughly at a depth of 74.7 km (46 miles). Exact time and date of earthquake 12/08/17 / 2017-08-12 23:06:31 / August 12, 2017 @ 11:06 pm UTC/GMT. Unique identifier: ak16508412. Ids that are associated to the event: ak16508412. Exact location of event, longitude -151.6152 West, latitude 61.2549 North, depth = 74.7 km. The temblor was detected at 14:06:31 / 2:06 pm (local time epicenter).

Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. There are an estimated 1,300,000 minor quakes in the world each year. In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days four and in the last 365 days sixty-eight earthquakes of magnitude 3.0 or greater that have been detected in the same area.

Did you feel it?

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 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: 65 km NNW of Nikiski, Alaska.

Alaska Nikiski

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Parameter	Value	Description
Magnitude	2.8 mb	The magnitude for the event.
Longitude	-151.6152° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	61.2549° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	74.7 km	Depth of the event in kilometers.
Place	65km 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	2017-08-12 23:06:31	Time when the event occurred. UTC/GMT
Updated	2017-08-12 23:11:08	Time when the event was most recently updated. UTC/GMT
Timezone offset	-540	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	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	121	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	0.57 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	ak16508412	Id of event.
Event Code	16508412	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ak16508412,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake: M2.8 quake has struck near Nikiski in Alaska

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