Minor earthquake, 3.6796364699494 mag strikes near San Nicolas Is. in CA

A minor earthquake magnitude 3.6796364699494 (ml/mb) has occurred on Tuesday, 31 km WSW of San Nicolas Is., CA (19 miles). The temblor was detected at 21:38:36 / 9:38 pm (local time epicenter). The earthquake was roughly at a depth of 23.729999542236 km (15 miles). Exact location of event, depth 23.729999542236 km, -119.79166412353° West, 33.100666046143° North. Exact time and date of event in UTC/GMT: 16/12/25 / 2025-12-16 21:38:36 / December 16, 2025 @ 9:38 pm. Event id: ci41353096. Ids that are associated to the earthquake: ci41353096.

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. In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days two and in the last 365 days three earthquakes of magnitude 3.0 or greater that have been detected in the same area.

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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. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 31 km WSW of San Nicolas Is., CA.

CA San Nicolas Is.

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Parameter	Value	Description
Magnitude	3.6796364699494 mb	The magnitude for the event.
Longitude	-119.79166412353° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	33.100666046143° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	23.729999542236 km	Depth of the event in kilometers.
Place	31 km WSW of San Nicolas Is., CA	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 21:38:36	Time when the event occurred. UTC/GMT
Updated	2025-12-16 21:42:49	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	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	208	A number describing how significant the event is. Larger numbers indicate a more significant event.
Network	ci	The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources	,ci,	A comma-separated list of network contributors.
Number of Stations Used	10	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.268	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.100000001 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	238	The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type	mlr	The method or algorithm used to calculate the preferred magnitude for the event.
Event Type	earthquake	Type of seismic event.
Event ID	ci41353096	Id of event.
Event Code	41353096	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ci41353096,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.6796364699494 mag strikes near San Nicolas Is. in CA

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