Light earthquake 4.1 mag, 168 km SE of Akutan, Alaska

A light earthquake magnitude 4.1 (ml/mb) has struck on Saturday, 168 km SE of Akutan, Alaska (104 miles). The epicenter was at a depth of 30.785 km (19 miles). The 4.1-magnitude earthquake has occurred at 23:22:22 / 11:22 pm (local time epicenter). All ids that are associated to the event: us6000rpf0. Unique identifier: us6000rpf0. Global time and date of event 01/11/25 / 2025-11-01 23:22:22 / November 1, 2025 @ 11:22 pm UTC/GMT. Exact location of event, longitude -164.3309 West, latitude 52.8938 North, depth = 30.785 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been one, in the last 10 days two, in the past 30 days six and in the last 365 days one hundred and one earthquakes of magnitude 3.0 or greater that was reported nearby. There are an estimated 13,000 light earthquakes in the world each year.

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What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. 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: 168 km SE of Akutan, Alaska.

Akutan Alaska

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Parameter	Value	Description
Magnitude	4.1 mb	The magnitude for the event.
Longitude	-164.3309° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	52.8938° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	30.785 km	Depth of the event in kilometers.
Place	168 km SE of Akutan, Alaska	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2025-11-01 23:22:22	Time when the event occurred. UTC/GMT
Updated	2025-11-21 23:51:56	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	259	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	22	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	1.54	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.53 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	180	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	us6000rpf0	Id of event.
Event Code	6000rpf0	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us6000rpf0,	A comma-separated list of event ids that are associated to an event.

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Light earthquake 4.1 mag, 168 km SE of Akutan, Alaska

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