Light earthquake 4.4 mag, 42 km W of Willow, Alaska

A light earthquake with magnitude 4.4 (ml/mb) was reported 42 km W of Willow, Alaska (26 miles) on Tuesday. The 4.4-magnitude earthquake has occurred at 14:52:47 / 2:52 pm (local time epicenter). The epicenter of the earthquake was roughly 25.8 km (16 miles) below the earth’s surface. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Date and time of earthquake in UTC/GMT: 17/11/15 / 2015-11-17 23:52:47 / November 17, 2015 @ 11:52 pm. Unique identifier: ak11794422. Ids that are associated to the event: ak11794422. Exact location, longitude -178.2066° West, latitude 51.1629° North, depth = 25.8 km.

There are an estimated 13,000 light earthquakes in the world each year. Earthquakes 4.0 to 5.0 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 ten and in the last 365 days ninety earthquakes of magnitude 3.0 or greater that have been detected nearby.

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 information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 42 km W of Willow, Alaska.

Alaska Willow

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Parameter	Value	Description
Magnitude	4.4 mb	The magnitude for the event.
Longitude	-178.2066° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	51.1629° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	25.8 km	Depth of the event in kilometers.
Place	42km W 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	2015-11-17 23:52:47	Time when the event occurred. UTC/GMT
Updated	2015-11-21 01:10:19	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	298	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	22	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.678228	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.7 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	208.799983296	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	ak11794422	Id of event.
Event Code	11794422	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ak11794422,	A comma-separated list of event ids that are associated to an event.

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Light earthquake 4.4 mag, 42 km W of Willow, Alaska

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