Minor earthquake, 3.61 mag has occurred near The Geysers in CA

A minor earthquake magnitude 3.61 (ml/mb) has occurred on Thursday, 4 kilometers (2 miles) from The Geysers in CA. The epicenter was at a depth of 2.579999923706 km (2 miles). The 3.61-magnitude earthquake was detected at 12:21:06 / 12:21 pm (local time epicenter). All ids that are associated to the event: nc75269961. Unique identifier: nc75269961. Global date and time of event UTC/GMT: 27/11/25 / 2025-11-27 12:21:06 / November 27, 2025 @ 12:21 pm. Exact location of earthquake, longitude -122.72733306885 West, latitude 38.752498626709 North, depth = 2.579999923706 km.

Closest city/cities/towns to epicentrum/hypocenter was Woodland, Vallejo, Suisun (min 5000 pop). Close country/countries, United States (c. 310 233 000 pop) (That might be effected). The epicenter was 35 km (22 miles) from Santa Rosa (c. 167 800 pop), 83 km (52 miles) from Vallejo (c. 115 900 pop), 82 km (51 miles) from Fairfield (c. 105 300 pop), 78 km (48 miles) from Vacaville (c. 92 400 pop), 64 km (39 miles) from Napa (c. 76 900 pop), 58 km (36 miles) from Petaluma (c. 57 900 pop).

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

Did you feel the quake?

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, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 4 km SE of The Geysers, CA. This information comes from the USGS Earthquake Notification Service.

CA Fairfield Napa Petaluma Santa Rosa Suisun The Geysers United States Vacaville Vallejo Woodland

More information

Parameter	Value	Description
Magnitude	3.61 mb	The magnitude for the event.
Longitude	-122.72733306885° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	38.752498626709° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	2.579999923706 km	Depth of the event in kilometers.
Place	4 km SE of The Geysers, CA	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2025-11-27 12:21:06	Time when the event occurred. UTC/GMT
Updated	2025-11-27 12:24:46	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	200	A number describing how significant the event is. Larger numbers indicate a more significant event.
Network	nc	The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources	,nc,	A comma-separated list of network contributors.
Number of Stations Used	102	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.009284	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.28 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	24	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	nc75269961	Id of event.
Event Code	75269961	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,nc75269961,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.61 mag has occurred near The Geysers in CA

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