Light earthquake: M4.6 quake has struck near Yakutat in Alaska

A light earthquake magnitude 4.6 (ml/mb) has struck on Monday, 110 km N of Yakutat, Alaska (68 miles). A tsunami warning has been issued near Yakutat in Alaska (Does not indicate if a tsunami actually did or will exist). The earthquake occurred at a depth of 5 km (3 miles). Exact time and date of event in UTC/GMT: 22/12/25 / 2025-12-22 14:59:48 / December 22, 2025 @ 2:59 pm. Exact location of event, longitude -140.023 West, latitude 60.528 North, depth = 5 km. All ids that are associated to the event: at00t7oezm, ak2025zcuptx. Unique identifier: ak2025zcuptx. The 4.6-magnitude earthquake was detected at 14:59:48 / 2:59 pm (local time epicenter).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. There are an estimated 13,000 light quakes in the world each year. In the past 24 hours, there have been three, in the last 10 days thirty-five, in the past 30 days four hundred and ninety-two and in the last 365 days five hundred and twelve earthquakes of magnitude 3.0 or greater that was reported nearby.

Did you feel it?

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 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: 110 km N of Yakutat, Alaska.

Alaska Yakutat

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Parameter	Value	Description
Magnitude	4.6 mb	The magnitude for the event.
Longitude	-140.023° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	60.528° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	5 km	Depth of the event in kilometers.
Place	110 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	2025-12-22 14:59:48	Time when the event occurred. UTC/GMT
Updated	2025-12-22 15:15:13	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	5.281	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	1	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	326	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	,at,ak,	A comma-separated list of network contributors.
Number of Stations Used	128	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	3 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	56	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	ak2025zcuptx	Id of event.
Event Code	2025zcuptx	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,at00t7oezm,ak2025zcuptx,	A comma-separated list of event ids that are associated to an event.

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Light earthquake: M4.6 quake has struck near Yakutat in Alaska

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