Minor earthquake 3.9 mag, 29 km WNW of Elfin Cove, Alaska

A minor earthquake magnitude 3.9 (ml/mb) has struck on Tuesday, 29 km WNW of Elfin Cove, Alaska (18 miles). The 3.9-magnitude earthquake has occurred at 06:00:33 / 6:00 am (local time epicenter). Global time and date of event 30/12/25 / 2025-12-30 06:00:33 / December 30, 2025 @ 6:00 am UTC/GMT. Event id: ak2025zquoeu. Ids that are associated to the earthquake: ak2025zquoeu. Exact location of event, depth 6.4 km, -136.825° West, 58.277° North. The earthquake was roughly at a depth of 6.4 km (4 miles).

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

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What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 29 km WNW of Elfin Cove, Alaska.

Alaska Elfin Cove

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Parameter	Value	Description
Magnitude	3.9 mb	The magnitude for the event.
Longitude	-136.825° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	58.277° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	6.4 km	Depth of the event in kilometers.
Place	29 km WNW of Elfin Cove, Alaska	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2025-12-30 06:00:33	Time when the event occurred. UTC/GMT
Updated	2025-12-30 06:03:44	Time when the event was most recently updated. UTC/GMT
Timezone offset		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	3.741	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	23	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.4	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.9 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	151	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	ak2025zquoeu	Id of event.
Event Code	2025zquoeu	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ak2025zquoeu,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake 3.9 mag, 29 km WNW of Elfin Cove, Alaska

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