Minor earthquake 3.8 mag, 94 km SSE of Sand Point, Alaska

A minor earthquake with magnitude 3.8 (ml/mb) was detected on Thursday, 94 km SSE of Sand Point, Alaska (58 miles). Exact location, longitude -160.1058° West, latitude 54.5154° North, depth = 35 km. The epicenter of the earthquake was roughly 35 km (22 miles) below the earth’s surface. The temblor was detected at 13:25:18 / 1:25 pm (local time epicenter). Global date and time of event UTC/GMT: 04/12/25 / 2025-12-04 13:25:18 / December 4, 2025 @ 1:25 pm. Unique identifier: us7000rfif. Ids that are associated to the event: us7000rfif.

In the past 24 hours, there have been one, in the last 10 days six, in the past 30 days twenty-five and in the last 365 days six hundred and thirty earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. Every year there are an estimated 130,000 minor earthquakes in the world.

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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. 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: 94 km SSE of Sand Point, Alaska.

Alaska Sand Point

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Parameter	Value	Description
Magnitude	3.8 mb	The magnitude for the event.
Longitude	-160.1058° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	54.5154° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	35 km	Depth of the event in kilometers.
Place	94 km SSE of Sand Point, Alaska	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2025-12-04 13:25:18	Time when the event occurred. UTC/GMT
Updated	2025-12-04 14:59:39	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	22	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.436	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.93 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	206	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	us7000rfif	Id of event.
Event Code	7000rfif	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us7000rfif,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake 3.8 mag, 94 km SSE of Sand Point, Alaska

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