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Light earthquake, 4.307945043859 mag has occurred near Yakutat in Alaska


Earthquake location 60.452251434326S, -139.41813659668WA light earthquake magnitude 4.307945043859 (ml/mb) has occurred on Saturday, 102 km N of Yakutat, Alaska (63 miles). Exact location, longitude -139.41813659668° West, latitude 60.452251434326° North, depth = 6.6628818511963 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact time and date of earthquake 06/12/25 / 2025-12-06 20:59:18 / December 6, 2025 @ 8:59 pm UTC/GMT. The earthquake occurred at a depth of 6.6628818511963 km (4 miles). Id of earthquake: ak2025xzwxns. Event ids that are associated: ak2025xzwxns. The temblor was picked up at 20:59:18 / 8:59 pm (local time epicenter).

In the past 24 hours, there have been two hundred and twenty-six, in the last 10 days two hundred and twenty-six, in the past 30 days two hundred and twenty-six and in the last 365 days two hundred and thirty-nine earthquakes of magnitude 3.0 or greater that has struck near. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Each year there are an estimated 13,000 light earthquakes in the world.

Questions or comments?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. 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: 102 km N of Yakutat, Alaska.

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More information

Parameter Value Description
Magnitude 4.307945043859 mb The magnitude for the event.
Longitude -139.41813659668° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 60.452251434326° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 6.6628818511963 km Depth of the event in kilometers.
Place 102 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 20:59:18 Time when the event occurred. UTC/GMT
Updated 2025-12-08 00:51:38 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 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 286 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 15 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.54840552806854 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.93924975788636 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 75.160042762756 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 ak2025xzwxns Id of event.
Event Code 2025xzwxns An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak2025xzwxns, A comma-separated list of event ids that are associated to an event.

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