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Light earthquake: M4.8 quake has struck near Atka in Alaska

Posted by admin on December 24, 2025 0 Comments

Earthquake location 51.4172S, -174.9359WA light earthquake with magnitude 4.8 (ml/mb) was detected on Wednesday, 100 km SSW of Atka, Alaska (62 miles). The temblor was picked up at 10:57:04 / 10:57 am (local time epicenter). Global date and time of event UTC/GMT: 24/12/25 / 2025-12-24 10:57:04 / December 24, 2025 @ 10:57 am. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The epicenter of the earthquake was roughly 41.684 km (26 miles) below the earth’s surface. Event id: us7000rkjw. Ids that are associated to the earthquake: us7000rkjw, ak2025zgeaqa. Exact location of earthquake, -174.9359° West, 51.4172° North, depth 41.684 km.

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 two, in the last 10 days four, in the past 30 days seven and in the last 365 days two hundred and ninety-eight earthquakes of magnitude 3.0 or greater that have been detected nearby.

Did you feel it?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 100 km SSW of Atka, Alaska.

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More information

Parameter Value Description
Magnitude 4.8 mb The magnitude for the event.
Longitude -174.9359° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.4172° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 41.684 km Depth of the event in kilometers.
Place 100 km SSW of Atka, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2025-12-24 10:57:04 Time when the event occurred. UTC/GMT
Updated 2025-12-24 11:15:26 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 2.954 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 354 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 ,us,ak, A comma-separated list of network contributors.
Number of Stations Used 116 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.909 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.59 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 151 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 us7000rkjw Id of event.
Event Code 7000rkjw An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000rkjw,ak2025zgeaqa, A comma-separated list of event ids that are associated to an event.

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