Minor earthquake 3.7 mag, 113 km WNW of Willow, Alaska

A minor earthquake magnitude 3.7 (ml/mb) strikes 113 km WNW of Willow, Alaska (70 miles) on Monday. The 3.7-magnitude earthquake has occurred at 16:12:56 / 4:12 pm (local time epicenter). Exact location of earthquake, longitude -152.1556 West, latitude 61.9437 North, depth = 120.1 km. Exact time and date of event in UTC/GMT: 31/01/17 / 2017-01-31 01:12:56 / January 31, 2017 @ 1:12 am. The epicenter was at a depth of 120.1 km (75 miles). Unique identifier: ak15178275. Ids that are associated to the event: ak15178275.

Each year there are an estimated 130,000 minor quakes in the world. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. In the past 24 hours, there have been two, in the last 10 days five, in the past 30 days seven and in the last 365 days sixty-three earthquakes of magnitude 3.0 or greater that was reported nearby.

Questions or comments?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking 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: 113 km WNW of Willow, Alaska.

Alaska Willow

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Parameter	Value	Description
Magnitude	3.7 mb	The magnitude for the event.
Longitude	-152.1556° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	61.9437° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	120.1 km	Depth of the event in kilometers.
Place	113km 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	2017-01-31 01:12:56	Time when the event occurred. UTC/GMT
Updated	2017-01-31 01:27:18	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	211	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	ak15178275	Id of event.
Event Code	15178275	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ak15178275,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake 3.7 mag, 113 km WNW of Willow, Alaska

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