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Light earthquake: M4.3 quake has struck near Yakutat in Alaska

Posted by admin on December 28, 2025 0 Comments

Earthquake location 60.4944S, -139.809WA light earthquake with magnitude 4.3 (ml/mb) was reported 105 km N of Yakutat, Alaska (65 miles) on Sunday. The temblor was detected at 18:50:49 / 6:50 pm (local time epicenter). All ids that are associated to the event: at00t7ztop, us7000rl85, ak2025zocqdp. Unique identifier: us7000rl85. 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, -139.809° West, 60.4944° North, depth 10 km. The earthquake was roughly at a depth of 10 km (6 miles). Global time and date of event 28/12/25 / 2025-12-28 18:50:49 / December 28, 2025 @ 6:50 pm UTC/GMT.

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. There are an estimated 13,000 light quakes in the world each year. In the past 24 hours, there have been four, in the last 10 days twenty-six, in the past 30 days five hundred and seventeen and in the last 365 days five hundred and thirty-three earthquakes of magnitude 3.0 or greater that have been detected in the same area.

Questions or comments?

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: 105 km N of Yakutat, Alaska.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude -139.809° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 60.4944° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 105 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 2025-12-28 18:50:49 Time when the event occurred. UTC/GMT
Updated 2025-12-28 19:11:44 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 5.157 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 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 ,at,us,ak, A comma-separated list of network contributors.
Number of Stations Used 53 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.457 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.8 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 66 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mwr The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us7000rl85 Id of event.
Event Code 7000rl85 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00t7ztop,us7000rl85,ak2025zocqdp, A comma-separated list of event ids that are associated to an event.

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