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Light earthquake, 4.2 mag was detected near Yakutat in Alaska

Posted by admin on December 7, 2025 0 Comments

Earthquake location 60.4448S, -139.6137WA light earthquake magnitude 4.2 (ml/mb) has struck on Sunday, 100 km N of Yakutat, Alaska (62 miles). Global date and time of event UTC/GMT: 07/12/25 / 2025-12-07 17:47:07 / December 7, 2025 @ 5:47 pm. Exact location of event, longitude -139.6137 West, latitude 60.4448 North, depth = 10 km. A tsunami warning has been issued near Yakutat in Alaska (Does not indicate if a tsunami actually did or will exist). The temblor was reported at 17:47:07 / 5:47 pm (local time epicenter). Event ids that are associated to the earthquake: at00t6wuql, ak2025ybmgue, us6000rt6u. Id of event: us6000rt6u. The earthquake occurred at a depth of 10 km (6 miles) below the earth’s surface.

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

Questions or comments?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city 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: 100 km N of Yakutat, Alaska.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude -139.6137° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 60.4448° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 100 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 2025-12-07 17:47:07 Time when the event occurred. UTC/GMT
Updated 2025-12-07 18:55:12 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 39 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.473 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 103 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 us6000rt6u Id of event.
Event Code 6000rt6u An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00t6wuql,ak2025ybmgue,us6000rt6u, A comma-separated list of event ids that are associated to an event.

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