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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.3 mag has occurred near Yakutat in Alaska

Posted by admin on December 29, 2025 0 Comments

Earthquake location 60.5545S, -139.7583WA light earthquake magnitude 4.3 (ml/mb) strikes 112 km N of Yakutat, Alaska (70 miles) on Saturday. Exact time and date of earthquake 06/12/25 / 2025-12-06 20:59:51 / December 6, 2025 @ 8:59 pm UTC/GMT. Unique identifier: us6000rtjn. Ids that are associated to the event: ak2025xzwxzo, us6000rtjn. Exact location, longitude -139.7583° West, latitude 60.5545° North, depth = 5 km. The earthquake was roughly at a depth of 5 km (3 miles). The temblor was detected at 20:59:51 / 8:59 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

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 five hundred and twenty-five, in the last 10 days five hundred and twenty-five, in the past 30 days five hundred and twenty-five and in the last 365 days five hundred and fourty-four earthquakes of magnitude 3.0 or greater that have been detected in the same area.

Did you feel anything?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 112 km N of Yakutat, Alaska.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude -139.7583° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 60.5545° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 5 km Depth of the event in kilometers.
Place 112 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 20:59:51 Time when the event occurred. UTC/GMT
Updated 2025-12-29 05:00:49 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 3.821 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 284 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 ,ak,us, A comma-separated list of network contributors.
Number of Stations Used 28 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.522 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.03 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 82 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 us6000rtjn Id of event.
Event Code 6000rtjn An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak2025xzwxzo,us6000rtjn, A comma-separated list of event ids that are associated to an event.

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