Minor earthquake, 3.8 mag was detected near Nikolski in Alaska

A minor earthquake with magnitude 3.8 (ml/mb) was detected on Wednesday, 91 km SSE of Nikolski, Alaska (57 miles). Exact location of earthquake, -168.5339° West, 52.1406° North, depth 28.671 km. The temblor was picked up at 01:33:38 / 1:33 am (local time epicenter). The earthquake was roughly at a depth of 28.671 km (18 miles). Exact time and date of event in UTC/GMT: 08/10/25 / 2025-10-08 01:33:38 / October 8, 2025 @ 1:33 am. Unique identifier: us6000rk85. Ids that are associated to the event: us6000rk85.

Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. Each year there are an estimated 130,000 minor quakes in the world. In the past 24 hours, there have been four, in the last 10 days four, in the past 30 days eight and in the last 365 days one hundred and fifty-seven earthquakes of magnitude 3.0 or greater that has occurred nearby.

Did you feel the quake?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. 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: 91 km SSE of Nikolski, Alaska.

Alaska Nikolski

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Parameter	Value	Description
Magnitude	3.8 mb	The magnitude for the event.
Longitude	-168.5339° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	52.1406° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	28.671 km	Depth of the event in kilometers.
Place	91 km SSE of Nikolski, Alaska	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2025-10-08 01:33:38	Time when the event occurred. UTC/GMT
Updated	2025-10-30 23:04:54	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	222	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	21	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.856	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	1 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	218	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	us6000rk85	Id of event.
Event Code	6000rk85	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us6000rk85,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.8 mag was detected near Nikolski in Alaska

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