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Light earthquake, 4.2 mag has occurred near Yakutat in Alaska

Posted by admin on December 6, 2025 0 Comments

Earthquake location 60.4438S, -139.6843WA light earthquake magnitude 4.2 (ml/mb) has struck on Saturday, 99 km N of Yakutat, Alaska (62 miles). All ids that are associated to the event: at00t6vg4q, ak2025yacavm, us6000rszu. Unique identifier: us6000rszu. The 4.2-magnitude earthquake has occurred at 23:34:01 / 11:34 pm (local time epicenter). The epicenter was at a depth of 10 km (6 miles). Date and time of earthquake in UTC/GMT: 06/12/25 / 2025-12-06 23:34:01 / December 6, 2025 @ 11:34 pm. Exact location of event, depth 10 km, -139.6843° West, 60.4438° North. A tsunami warning has been issued near Yakutat in Alaska (Does not indicate if a tsunami actually did or will exist).

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

Did you feel the quake?

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: 99 km N of Yakutat, Alaska.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude -139.6843° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 60.4438° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 99 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 23:34:01 Time when the event occurred. UTC/GMT
Updated 2025-12-06 23:48:48 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 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 271 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 ,at,ak,us, A comma-separated list of network contributors.
Number of Stations Used 77 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.449 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.84 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 80 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mb The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us6000rszu Id of event.
Event Code 6000rszu An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00t6vg4q,ak2025yacavm,us6000rszu, A comma-separated list of event ids that are associated to an event.

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