Minor earthquake 3.3 mag, 6 km WSW of Kenwood, CA

A minor earthquake with magnitude 3.3 (ml/mb) was reported 6 kilometers (4 miles) from Kenwood in CA on Monday. The earthquake occurred at a depth of 6.1900000572205 km (4 miles) below the earth’s surface. Event id: nc75272501. Ids that are associated to the earthquake: nc75272501. Global date and time of event UTC/GMT: 01/12/25 / 2025-12-01 06:56:36 / December 1, 2025 @ 6:56 am. Exact location of event, longitude -122.60832977295 West, latitude 38.383666992188 North, depth = 6.1900000572205 km. The temblor was picked up at 06:56:36 / 6:56 am (local time epicenter).

Country/countries that might be effected, United States (c. 310 233 000 pop). Epicenter of the event was 70 km (43 miles) from San Francisco (c. 805 200 pop), 71 km (44 miles) from Oakland (c. 390 700 pop), 11 km (7 miles) from Santa Rosa (c. 167 800 pop), 68 km (42 miles) from Concord (c. 122 100 pop), 44 km (27 miles) from Vallejo (c. 115 900 pop). Nearest cities/city/villages to epicentrum/hypocenter was Antioch, Woodland, Alamo (min 5000 pop).

There are an estimated 130,000 minor quakes in the world each year. 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 seven, in the past 30 days seventeen and in the last 365 days fifty-nine earthquakes of magnitude 3.0 or greater that have been detected in the same area.

How would you describe the shaking?

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, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 6 km WSW of Kenwood, CA. This information comes from the USGS Earthquake Notification Service.

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Parameter	Value	Description
Magnitude	3.3 mb	The magnitude for the event.
Longitude	-122.60832977295° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	38.383666992188° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	6.1900000572205 km	Depth of the event in kilometers.
Place	6 km WSW of Kenwood, CA	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2025-12-01 06:56:36	Time when the event occurred. UTC/GMT
Updated	2025-12-01 07:05:07	Time when the event was most recently updated. UTC/GMT
Timezone offset		Timezone offset from UTC in minutes at the event epicenter.
Felt	11	The total number of felt reports
CDI	3.8	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	172	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	83	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.04221	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.11 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	22	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	nc75272501	Id of event.
Event Code	75272501	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,nc75272501,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake 3.3 mag, 6 km WSW of Kenwood, CA

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