Minor earthquake, 3.5 mag has occurred near Sterling in Alaska

A minor earthquake magnitude 3.5 (ml/mb) has struck on Tuesday, 18 kilometers (11 miles) from Sterling in Alaska. Event ids that are associated to the earthquake: ak0259by3t5n. Id of event: ak0259by3t5n. Date and time of earthquake in UTC/GMT: 22/07/25 / 2025-07-22 13:45:36 / July 22, 2025 @ 1:45 pm. The epicenter was at a depth of 41.1 km (26 miles). Exact location of earthquake, longitude -150.4542 West, latitude 60.6116 North, depth = 41.1 km. The temblor was picked up at 13:45:36 / 1:45 pm (local time epicenter).

Nearest cities/city/towns to hypocenter/epicentrum was Anchorage, Kalifornsky, Kenai (min 5000 pop). Earthquake epicenter was 74 km (46 miles) from Anchorage (c. 291 800 pop), 51 km (31 miles) from Kalifornsky (c. 7 900 pop), 44 km (28 miles) from Kenai (c. 7 100 pop), 19 km (12 miles) from Sterling (c. 5 600 pop). Close country/countries that might be effected, United States (c. 310 233 000 pop).

There are an estimated 130,000 minor earthquakes in the world each year. In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days four and in the last 365 days sixty-three 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.

Did you feel it?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 18 km ENE of Sterling, Alaska.

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Parameter	Value	Description
Magnitude	3.5 mb	The magnitude for the event.
Longitude	-150.4542° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	60.6116° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	41.1 km	Depth of the event in kilometers.
Place	18 km ENE of Sterling, Alaska	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2025-07-22 13:45:36	Time when the event occurred. UTC/GMT
Updated	2025-07-22 13:46:51	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	automatic	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	ak	The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources	,ak,	A comma-separated list of network contributors.
Number of Stations Used		The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance		Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.45 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap		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	ak0259by3t5n	Id of event.
Event Code	0259by3t5n	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ak0259by3t5n,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.5 mag has occurred near Sterling in Alaska

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