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Light earthquake: M4.0239825748676 quake has struck near Akhiok in Alaska

Posted by admin on November 22, 2025 0 Comments

Earthquake location 56.269428253174S, -155.7566986084WA light earthquake with magnitude 4.0239825748676 (ml/mb) was detected on Saturday, 123 km SW of Akhiok, Alaska (76 miles). The temblor was reported at 03:58:31 / 3:58 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake was roughly at a depth of 49.208820343018 km (31 miles). Unique identifier: ak2025wywxow. Ids that are associated to the event: us6000rpry, ak2025wywxow. Exact location of event, depth 49.208820343018 km, -155.7566986084° West, 56.269428253174° North. Exact time and date of event in UTC/GMT: 22/11/25 / 2025-11-22 03:58:31 / November 22, 2025 @ 3:58 am.

Each year there are an estimated 13,000 light earthquakes in the world. In the past 24 hours, there have been one, in the last 10 days two, in the past 30 days two and in the last 365 days thirty-one 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.

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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 123 km SW of Akhiok, Alaska. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.0239825748676 mb The magnitude for the event.
Longitude -155.7566986084° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 56.269428253174° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 49.208820343018 km Depth of the event in kilometers.
Place 123 km SW of Akhiok, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2025-11-22 03:58:31 Time when the event occurred. UTC/GMT
Updated 2025-11-22 04:05:20 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 249 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 ,us,ak, A comma-separated list of network contributors.
Number of Stations Used 132 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.4550254046917 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.0654007646928 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 99.46558380127 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 ak2025wywxow Id of event.
Event Code 2025wywxow An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000rpry,ak2025wywxow, A comma-separated list of event ids that are associated to an event.

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