Minor earthquake: M3.9 quake strikes near Willow in Alaska

A minor earthquake magnitude 3.9 (mg/mb) was reported Wednesday, 26 kilometers (16 miles) from Willow in Alaska. The temblor was reported at 05:36:15 / 5:36 pm (local time epicenter) at a depth of 46.5 km (29 miles). Global time of event 2015-02-12 02:36:15 UTC/GMT. A tsunami warning has not been issued, according to the U.S. Geological Survey. Exact location of event, longitude -150.4918 West, latitude 61.8545 North, depth 46.5 km.

Close countries, United States (c. 310 233 000 pop). The epicenter was 77 km (48 miles) from Anchorage (c. 291 800 pop), 77 km (48 miles) from Eagle River (c. 24 800 pop), 60 km (38 miles) from Knik-Fairview (c. 14 900 pop), 68 km (42 miles) from Lakes (c. 8 400 pop), 61 km (38 miles) from Tanaina (c. 8 200 pop). Nearest city, towns to epicentrum/hypocenter was Elmendorf Air Force Base, Palmer, Anchorage.

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Leave a comment or report about shaking, activity and damage at your home, city and country. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded in: 26 km WNW of Willow, Alaska.

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Parameter	Value	Description
Magnitude	3.9 mb	The magnitude for the event.
Longitude	-150.4918° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	61.8545° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	46.5 km	Depth of the event in kilometers.
Place	26km WNW of Willow, Alaska	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2015-02-12 02:36:15	Time when the event occurred. UTC/GMT
Updated	2015-02-12 03:00:57	Time when the event was most recently updated. UTC/GMT
Timezone offset	-540	Timezone offset from UTC in minutes at the event epicenter.
Felt	5	The total number of felt reports
CDI	2.7	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	235	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	0.56 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	ak11506275	Id of event.
Event Code	11506275	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	ak11506275	A comma-separated list of event ids that are associated to an event.

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Minor earthquake: M3.9 quake strikes near Willow in Alaska

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