Minor earthquake, 3.5 mag strikes near Atka in Alaska

A minor earthquake magnitude 3.5 (ml/mb) strikes 194 km E of Atka, Alaska (121 miles) on Monday. The 3.5-magnitude earthquake has occurred at 02:23:53 / 2:23 am (local time epicenter). Global time and date of event 10/11/25 / 2025-11-10 02:23:53 / November 10, 2025 @ 2:23 am UTC/GMT. Event ids that are associated to the earthquake: ak025efc2vqs, us6000rmk7. Id of event: us6000rmk7. Exact location, longitude -171.3769° West, latitude 51.9886° North, depth = 41.754 km. The epicenter was at a depth of 41.754 km (26 miles).

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 eight, in the last 10 days ten, in the past 30 days twelve and in the last 365 days one hundred and fourty earthquakes of magnitude 3.0 or greater that was reported nearby.

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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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 194 km E of Atka, Alaska. This data comes from the USGS Earthquake Notification Service.

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Parameter	Value	Description
Magnitude	3.5 mb	The magnitude for the event.
Longitude	-171.3769° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	51.9886° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	41.754 km	Depth of the event in kilometers.
Place	194 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	2025-11-10 02:23:53	Time when the event occurred. UTC/GMT
Updated	2025-11-20 06:36:00	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	1.469	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	188	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	,ak,us,	A comma-separated list of network contributors.
Number of Stations Used	40	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	1.22	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.91 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	192	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	us6000rmk7	Id of event.
Event Code	6000rmk7	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ak025efc2vqs,us6000rmk7,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.5 mag strikes near Atka in Alaska

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