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Light earthquake: M4.2224020149549 quake has struck near Yakutat in Alaska

Posted by admin on December 7, 2025 0 Comments

Earthquake location 60.293907165527S, -139.37986755371WA light earthquake magnitude 4.2224020149549 (ml/mb) has struck on Sunday, 85 km NNE of Yakutat, Alaska (53 miles). Exact time and date of event in UTC/GMT: 07/12/25 / 2025-12-07 18:50:29 / December 7, 2025 @ 6:50 pm. Exact location of event, longitude -139.37986755371 West, latitude 60.293907165527 North, depth = 5 km. All ids that are associated to the event: ak2025ybojcc. Unique identifier: ak2025ybojcc. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake occurred at a depth of 5 km (3 miles) below the earth’s surface. The 4.2224020149549-magnitude earthquake was detected at 18:50:29 / 6:50 pm (local time epicenter).

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

How would you describe the shaking?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. 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: 85 km NNE of Yakutat, Alaska.

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More information

Parameter Value Description
Magnitude 4.2224020149549 mb The magnitude for the event.
Longitude -139.37986755371° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 60.293907165527° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 5 km Depth of the event in kilometers.
Place 85 km NNE 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 18:50:29 Time when the event occurred. UTC/GMT
Updated 2025-12-07 18:52:45 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 automatic 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 274 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 63 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.47907310724258 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.2493782479125 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 64.882293701172 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 ak2025ybojcc Id of event.
Event Code 2025ybojcc An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak2025ybojcc, A comma-separated list of event ids that are associated to an event.

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