Minor earthquake, 3.5 mag strikes near Salcha in Alaska

A minor earthquake with magnitude 3.5 (ml/mb) was reported 5 kilometers (3 miles) from Salcha in Alaska on Thursday. The 3.5-magnitude earthquake has occurred at 18:26:18 / 6:26 pm (local time epicenter). Global date and time of event UTC/GMT: 25/09/25 / 2025-09-25 18:26:18 / September 25, 2025 @ 6:26 pm. The epicenter of the earthquake was roughly 12.358 km (8 miles) below the earth’s surface. Exact location, longitude -146.9697° West, latitude 64.4788° North, depth = 12.358 km. Id of earthquake: us6000rcwi. Event ids that are associated: us6000rcwi.

Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was College, Fairbanks, Badger. Close country/countries, United States (c. 310 233 000 pop) (That might be effected). Epicenter of the event was 53 km (33 miles) from Fairbanks (c. 31 500 pop), 45 km (28 miles) from Badger (c. 19 500 pop), 58 km (36 miles) from College (c. 13 000 pop).

Every year there are an estimated 130,000 minor earthquakes in the world. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. In the past 24 hours, there have been two, in the last 10 days two, in the past 30 days two and in the last 365 days nineteen earthquakes of magnitude 3.0 or greater that has occurred nearby.

How would you describe the shaking?

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: 5 km SSW of Salcha, 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	-146.9697° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	64.4788° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	12.358 km	Depth of the event in kilometers.
Place	5 km SSW of Salcha, Alaska	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2025-09-25 18:26:18	Time when the event occurred. UTC/GMT
Updated	2025-09-25 18:36:04	Time when the event was most recently updated. UTC/GMT
Timezone offset		Timezone offset from UTC in minutes at the event epicenter.
Felt	1	The total number of felt reports
CDI	4.3	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	189	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	52	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.071	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.51 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	18	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	us6000rcwi	Id of event.
Event Code	6000rcwi	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us6000rcwi,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.5 mag strikes near Salcha in Alaska

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