Minor earthquake, 3.8 mag strikes near Ninilchik in Alaska

A minor earthquake with magnitude 3.8 (ml/mb) was detected on Tuesday, 17 kilometers (11 miles) from Ninilchik in Alaska. The epicenter was at a depth of 79.8 km (50 miles). The 3.8-magnitude earthquake has occurred at 11:43:35 / 11:43 am (local time epicenter). Exact location, longitude -151.869° West, latitude 60.17° North, depth = 79.8 km. Id of earthquake: ak2025yrntlw. Event ids that are associated: ak2025yrntlw. Global time and date of event 16/12/25 / 2025-12-16 11:43:35 / December 16, 2025 @ 11:43 am UTC/GMT.

Event epicenter was 42 km (26 miles) from Kalifornsky (c. 7 900 pop), 54 km (34 miles) from Kenai (c. 7 100 pop), 73 km (45 miles) from Sterling (c. 5 600 pop), 61 km (38 miles) from Homer (c. 5 000 pop). Close country/countries that might be effected, United States (c. 310 233 000 pop). Closest city/cities/towns to epicentrum/hypocenter was Sterling, Homer, Kenai (min 5000 pop).

There are an estimated 130,000 minor quakes in the world each year. In the past 24 hours, there have been one, in the last 10 days five, in the past 30 days sixteen and in the last 365 days eighty-five earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage.

Questions or comments?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home 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: 17 km NW of Ninilchik, Alaska.

More information

Parameter	Value	Description
Magnitude	3.8 mb	The magnitude for the event.
Longitude	-151.869° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	60.17° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	79.8 km	Depth of the event in kilometers.
Place	17 km NW 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	2025-12-16 11:43:35	Time when the event occurred. UTC/GMT
Updated	2025-12-16 11:46:27	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	2.487	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	222	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	68	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.5	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.6 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	37	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	ak2025yrntlw	Id of event.
Event Code	2025yrntlw	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ak2025yrntlw,	A comma-separated list of event ids that are associated to an event.

Earthquakes today

Current and latest world earthquakes breaking news, activity and articles today

Minor earthquake, 3.8 mag strikes near Ninilchik in Alaska

Questions or comments?

More information

Leave a ReplyCancel reply

Follow us!

Tsunami videos

Categories

Information