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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.2 mag was detected near Perryville in Alaska

Posted by admin on December 26, 2025 0 Comments

Earthquake location 54.9129S, -157.024WA light earthquake with magnitude 4.2 (ml/mb) was reported 174 km SE of Perryville, Alaska (108 miles) on Thursday. The earthquake occurred at a depth of 10 km (6 miles). Global date and time of event UTC/GMT: 25/12/25 / 2025-12-25 23:38:02 / December 25, 2025 @ 11:38 pm. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event ids that are associated to the earthquake: us7000rkts. Id of event: us7000rkts. The 4.2-magnitude earthquake was detected at 23:38:02 / 11:38 pm (local time epicenter). Exact location of event, depth 10 km, -157.024° West, 54.9129° North.

In the past 24 hours, there have been two, in the last 10 days two, in the past 30 days five and in the last 365 days thirty-nine earthquakes of magnitude 3.0 or greater that has occurred nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Each year there are an estimated 13,000 light quakes in the world.

Questions or comments?

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: 174 km SE of Perryville, Alaska.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude -157.024° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 54.9129° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 174 km SE of Perryville, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2025-12-25 23:38:02 Time when the event occurred. UTC/GMT
Updated 2025-12-26 00:11:37 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 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 271 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, A comma-separated list of network contributors.
Number of Stations Used 24 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.731 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.57 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 173 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 us7000rkts Id of event.
Event Code 7000rkts An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000rkts, A comma-separated list of event ids that are associated to an event.

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