Light earthquake, 4.2 mag has occurred near Skwentna in Alaska

A light earthquake magnitude 4.2 (ml/mb) has struck on Tuesday, 24 kilometers (15 miles) from Skwentna in Alaska. All ids that are associated to the event: ak0257egu4bq. Unique identifier: ak0257egu4bq. Exact time and date of earthquake 10/06/25 / 2025-06-10 12:28:19 / June 10, 2025 @ 12:28 pm UTC/GMT. Exact location of earthquake, longitude -150.9656 West, latitude 61.9047 North, depth = 9.9 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The 4.2-magnitude earthquake was detected at 12:28:19 / 12:28 pm (local time epicenter). The epicenter was at a depth of 9.9 km (6 miles).

Close country/countries that might be effected, United States (c. 310 233 000 pop). Event epicenter was 84 km (52 miles) from Knik-Fairview (c. 14 900 pop), 87 km (54 miles) from Tanaina (c. 8 200 pop), 88 km (55 miles) from Wasilla (c. 7 800 pop), 78 km (49 miles) from Meadow Lakes (c. 7 600 pop). Nearest cities/city/towns to hypocenter/epicentrum was Wasilla, Tanaina, Knik-Fairview (min 5000 pop).

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 fifty-nine earthquakes of magnitude 3.0 or greater that was reported nearby. There are an estimated 13,000 light earthquakes in the world each year.

Did you feel the quake?

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: 24 km ESE of Skwentna, Alaska.

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Parameter	Value	Description
Magnitude	4.2 mb	The magnitude for the event.
Longitude	-150.9656° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	61.9047° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	9.9 km	Depth of the event in kilometers.
Place	24 km ESE of Skwentna, Alaska	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2025-06-10 12:28:19	Time when the event occurred. UTC/GMT
Updated	2025-06-10 12:29:54	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	271	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	0.71 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	ak0257egu4bq	Id of event.
Event Code	0257egu4bq	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ak0257egu4bq,	A comma-separated list of event ids that are associated to an event.

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Light earthquake, 4.2 mag has occurred near Skwentna in Alaska

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