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Light earthquake, 4.8 mag has occurred near Atka in Alaska

Posted by admin on November 9, 2025 0 Comments

Earthquake location 52.1778S, -171.4295WA light earthquake magnitude 4.8 (ml/mb) strikes 189 km E of Atka, Alaska (117 miles) on Sunday. The earthquake occurred at a depth of 3.4 km (2 miles). The 4.8-magnitude earthquake has occurred at 09:36:49 / 9:36 am (local time epicenter). Exact location of event, longitude -171.4295 West, latitude 52.1778 North, depth = 3.4 km. A tsunami warning has been issued near Atka in Alaska (Does not indicate if a tsunami actually did or will exist). Id of earthquake: ak025edssceq. Event ids that are associated: at00t5gddc, ak025edssceq. Exact time and date of earthquake 09/11/25 / 2025-11-09 09:36:49 / November 9, 2025 @ 9:36 am UTC/GMT.

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

Did you feel it?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 189 km E of Atka, Alaska. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.8 mb The magnitude for the event.
Longitude -171.4295° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 52.1778° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 3.4 km Depth of the event in kilometers.
Place 189 km E 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 2025-11-09 09:36:49 Time when the event occurred. UTC/GMT
Updated 2025-11-09 09:49:33 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 2.918 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 354 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 ,at,ak, A comma-separated list of network contributors.
Number of Stations Used The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.87 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 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 ak025edssceq Id of event.
Event Code 025edssceq An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00t5gddc,ak025edssceq, A comma-separated list of event ids that are associated to an event.

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