Minor earthquake: M3.72 quake has struck near The Geysers in CA

A minor earthquake with magnitude 3.72 (ml/mb) was detected on Friday, 9 kilometers (6 miles) from The Geysers in CA. The temblor was detected at 06:31:48 / 6:31 am (local time epicenter). All ids that are associated to the event: ew1743748310, nc75159797. Unique identifier: nc75159797. Exact location of earthquake, longitude -122.83916473389 West, latitude 38.821166992188 North, depth = 2.0699999332428 km. Global time and date of event 04/04/25 / 2025-04-04 06:31:48 / April 4, 2025 @ 6:31 am UTC/GMT. The earthquake occurred at a depth of 2.0699999332428 km (1 miles).

Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Colusa, Novato, Winters. Close country/countries that might be effected, United States (c. 310 233 000 pop). Epicenter of the earthquake was 44 km (27 miles) from Santa Rosa (c. 167 800 pop), 76 km (47 miles) from Napa (c. 76 900 pop), 68 km (42 miles) from Petaluma (c. 57 900 pop), 83 km (51 miles) from Novato (c. 51 900 pop), 55 km (34 miles) from Rohnert Park (c. 41 000 pop), 31 km (19 miles) from Windsor (c. 26 800 pop).

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 two, in the last 10 days two, in the past 30 days three and in the last 365 days twenty-eight earthquakes of magnitude 3.0 or greater that has struck near.

Did you feel the quake?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity 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: 9 km NW of The Geysers, CA. This information comes from the USGS Earthquake Notification Service.

CA Colusa Napa Novato Petaluma Rohnert Park Santa Rosa The Geysers United States Windsor Winters

More information

Parameter	Value	Description
Magnitude	3.72 mb	The magnitude for the event.
Longitude	-122.83916473389° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	38.821166992188° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	2.0699999332428 km	Depth of the event in kilometers.
Place	9 km NW 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	2025-04-04 06:31:48	Time when the event occurred. UTC/GMT
Updated	2025-04-04 06:38:00	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	1	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	213	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	88	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.003771	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.08 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	nc75159797	Id of event.
Event Code	75159797	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ew1743748310,nc75159797,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake: M3.72 quake has struck near The Geysers in CA

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