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Minor earthquake, 3.73 mag has occurred near The Geysers in CA

Posted by admin on November 27, 2025 0 Comments

A minor earthquake magnitude 3.73 (ml/mb) has occurred on Thursday, 3 kilometers (2 miles) from The Geysers in CA. The earthquake occurred at a depth of -0.88999998569489 km (-1 miles) below the earth’s surface. The 3.73-magnitude earthquake has occurred at 12:21:45 / 12:21 pm (local time epicenter). Event ids that are associated to the earthquake: ew1764246110, nc75269971. Id of event: nc75269971. Exact time and date of event in UTC/GMT: 27/11/25 / 2025-11-27 12:21:45 / November 27, 2025 @ 12:21 pm. Exact location of event, longitude -122.73583221435 West, latitude 38.761165618896 North, depth = -0.88999998569489 km.

Nearby country/countries that might be effected, United States (c. 310 233 000 pop). Nearest cities/city/towns to hypocenter/epicentrum was Dixon, Vallejo, Suisun (min 5000 pop). Earthquake epicenter was 36 km (22 miles) from Santa Rosa (c. 167 800 pop), 84 km (52 miles) from Vallejo (c. 115 900 pop), 83 km (52 miles) from Fairfield (c. 105 300 pop), 79 km (49 miles) from Vacaville (c. 92 400 pop), 65 km (40 miles) from Napa (c. 76 900 pop), 59 km (37 miles) from Petaluma (c. 57 900 pop).

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-three earthquakes of magnitude 3.0 or greater that has occurred nearby. There are an estimated 130,000 minor earthquakes in the world each year. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage.

Did you feel anything?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 3 km SE of The Geysers, CA. This data comes from the USGS Earthquake Notification Service.

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

More information

Parameter	Value	Description
Magnitude	3.73 mb	The magnitude for the event.
Longitude	-122.73583221435° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	38.761165618896° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	-0.88999998569489 km	Depth of the event in kilometers.
Place	3 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 12:21:45	Time when the event occurred. UTC/GMT
Updated	2025-11-27 12:26:17	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	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	214	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	,ew,nc,	A comma-separated list of network contributors.
Number of Stations Used	38	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.008588	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.1 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	51	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	nc75269971	Id of event.
Event Code	75269971	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ew1764246110,nc75269971,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.73 mag has occurred near The Geysers in CA

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