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Light earthquake: M4.2 quake has struck near Yakutat in Alaska

Posted by admin on December 7, 2025 0 Comments

Earthquake location 60.336S, -139.752WA light earthquake with magnitude 4.2 (ml/mb) was reported 87 km N of Yakutat, Alaska (54 miles) on Sunday. A tsunami warning has been issued near Yakutat in Alaska (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, -139.752° West, 60.336° North, depth 14 km. The 4.2-magnitude earthquake was detected at 04:19:48 / 4:19 am (local time epicenter). Event id: at00t6vtd0. Ids that are associated to the earthquake: at00t6vtd0. The earthquake occurred at a depth of 14 km (9 miles). Global date and time of event UTC/GMT: 07/12/25 / 2025-12-07 04:19:48 / December 7, 2025 @ 4:19 am.

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. In the past 24 hours, there have been one hundred and six, in the last 10 days one hundred and six, in the past 30 days one hundred and six and in the last 365 days one hundred and twenty earthquakes of magnitude 3.0 or greater that have been detected in the same area.

Did you feel anything?

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: 87 km N of Yakutat, Alaska.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude -139.752° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 60.336° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 14 km Depth of the event in kilometers.
Place 87 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 04:19:48 Time when the event occurred. UTC/GMT
Updated 2025-12-07 04:22:39 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 at The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,at, A comma-separated list of network contributors.
Number of Stations Used 31 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.6934994 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.17 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 143.99998848 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 at00t6vtd0 Id of event.
Event Code 00t6vtd0 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00t6vtd0, A comma-separated list of event ids that are associated to an event.

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