Minor earthquake: M3.7 quake has struck near Ninilchik in Alaska

A minor earthquake magnitude 3.7 (ml/mb) has occurred on Wednesday, 56 kilometers (35 miles) from Ninilchik in Alaska. The 3.7-magnitude earthquake was detected at 02:14:39 / 2:14 am (local time epicenter). Event id: ak0255ihrlkl. Ids that are associated to the earthquake: ak0255ihrlkl. The earthquake occurred at a depth of 108.7 km (68 miles) below the earth’s surface. Exact location of event, longitude -152.6037 West, latitude 60.2538 North, depth = 108.7 km. Global date and time of event UTC/GMT: 30/04/25 / 2025-04-30 02:14:39 / April 30, 2025 @ 2:14 am.

Nearest cities/city/towns to hypocenter/epicentrum was Kenai, Kalifornsky (min 5000 pop). Earthquake epicenter was 75 km (46 miles) from Kalifornsky (c. 7 900 pop), 81 km (50 miles) from Kenai (c. 7 100 pop). Country/countries that might be effected, United States (c. 310 233 000 pop).

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

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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: 56 km WNW of Ninilchik, Alaska. This data comes from the USGS Earthquake Notification Service.

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Parameter	Value	Description
Magnitude	3.7 mb	The magnitude for the event.
Longitude	-152.6037° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	60.2538° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	108.7 km	Depth of the event in kilometers.
Place	56 km WNW of Ninilchik, Alaska	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2025-04-30 02:14:39	Time when the event occurred. UTC/GMT
Updated	2025-04-30 02:20:21	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	2.2	The maximum reported intensity for the event.
MMI	3.229	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	211	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	0.5 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	ak0255ihrlkl	Id of event.
Event Code	0255ihrlkl	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ak0255ihrlkl,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake: M3.7 quake has struck near Ninilchik in Alaska

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