Minor earthquake 3.9 mag, 107 km NNE of Chignik Lake, Alaska

A minor earthquake with magnitude 3.9 (ml/mb) was reported 107 km NNE of Chignik Lake, Alaska (66 miles) on Wednesday. The earthquake occurred at a depth of 2.3 km (1 miles) below the earth’s surface. The 3.9-magnitude earthquake has occurred at 00:12:51 / 12:12 am (local time epicenter). Global time and date of event 25/01/17 / 2017-01-25 09:12:51 / January 25, 2017 @ 9:12 am UTC/GMT. Exact location of event, longitude -157.917 West, latitude 57.1054 North, depth = 2.3 km. Id of earthquake: ak15151311. Event ids that are associated: ak15151311.

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 three, in the past 30 days four and in the last 365 days one hundred and twenty-one earthquakes of magnitude 3.0 or greater that have been detected in the same area. Each year there are an estimated 130,000 minor quakes in the world.

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Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 107 km NNE of Chignik Lake, Alaska.

Alaska Chignik Lake

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Parameter	Value	Description
Magnitude	3.9 mb	The magnitude for the event.
Longitude	-157.917° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	57.1054° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	2.3 km	Depth of the event in kilometers.
Place	107km NNE of Chignik Lake, Alaska	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2017-01-25 09:12:51	Time when the event occurred. UTC/GMT
Updated	2017-01-25 09:28:56	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	4.12	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	234	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	0.7 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	ak15151311	Id of event.
Event Code	15151311	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ak15151311,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake 3.9 mag, 107 km NNE of Chignik Lake, Alaska

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