Minor earthquake 3.9 mag, 94 km N of Yakutat, Alaska

A minor earthquake magnitude 3.9 (ml/mb) has struck on Saturday, 94 km N of Yakutat, Alaska (58 miles). Date and time of earthquake in UTC/GMT: 06/12/25 / 2025-12-06 21:50:42 / December 6, 2025 @ 9:50 pm. Exact location of event, longitude -139.4009 West, latitude 60.3815 North, depth = 5 km. The 3.9-magnitude earthquake was detected at 21:50:42 / 9:50 pm (local time epicenter). The earthquake occurred at a depth of 5 km (3 miles) below the earth’s surface. All ids that are associated to the event: ak2025xzypuz, us6000rszz. Unique identifier: us6000rszz.

There are an estimated 130,000 minor quakes in the world each year. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. In the past 24 hours, there have been two hundred and fifteen, in the last 10 days two hundred and fifteen, in the past 30 days two hundred and fifteen and in the last 365 days two hundred and twenty-eight earthquakes of magnitude 3.0 or greater that have been detected nearby.

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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. 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: 94 km N of Yakutat, Alaska.

Alaska Yakutat

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Parameter	Value	Description
Magnitude	3.9 mb	The magnitude for the event.
Longitude	-139.4009° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	60.3815° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	5 km	Depth of the event in kilometers.
Place	94 km N of Yakutat, Alaska	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2025-12-06 21:50:42	Time when the event occurred. UTC/GMT
Updated	2025-12-07 23:08:00	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	4.417	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	234	A number describing how significant the event is. Larger numbers indicate a more significant event.
Network	us	The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources	,ak,us,	A comma-separated list of network contributors.
Number of Stations Used	21	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.512	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.89 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	60	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	us6000rszz	Id of event.
Event Code	6000rszz	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ak2025xzypuz,us6000rszz,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake 3.9 mag, 94 km N of Yakutat, Alaska

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