Minor earthquake 3.7 mag, 106 km N of Yakutat, Alaska

A minor earthquake with magnitude 3.7 (ml/mb) was detected on Saturday, 106 km N of Yakutat, Alaska (66 miles). Event id: us6000rw7f. Ids that are associated to the earthquake: us6000rw7f, ak2025yzgjtl. The epicenter was at a depth of 5 km (3 miles). Exact location of earthquake, longitude -139.913 West, latitude 60.5027 North, depth = 5 km. The temblor was detected at 16:36:55 / 4:36 pm (local time epicenter). Exact time and date of earthquake 20/12/25 / 2025-12-20 16:36:55 / December 20, 2025 @ 4:36 pm UTC/GMT.

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

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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 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: 106 km N of Yakutat, Alaska.

Alaska Yakutat

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Parameter	Value	Description
Magnitude	3.7 mb	The magnitude for the event.
Longitude	-139.913° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	60.5027° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	5 km	Depth of the event in kilometers.
Place	106 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	2025-12-20 16:36:55	Time when the event occurred. UTC/GMT
Updated	2025-12-23 16:30:10	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	4.08	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	211	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	,us,ak,	A comma-separated list of network contributors.
Number of Stations Used	34	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.442	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.83 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	69	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	us6000rw7f	Id of event.
Event Code	6000rw7f	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us6000rw7f,ak2025yzgjtl,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake 3.7 mag, 106 km N of Yakutat, Alaska

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