Minor earthquake: M2.8 quake has struck near The Geysers in CA

A minor earthquake magnitude 2.8 (ml/mb) strikes 4 kilometers (2 miles) from The Geysers in CA on Tuesday. Exact time and date of earthquake 07/01/25 / 2025-01-07 22:30:49 / January 7, 2025 @ 10:30 pm UTC/GMT. The 2.8-magnitude earthquake was detected at 22:30:49 / 10:30 pm (local time epicenter). Exact location, longitude -122.80449676514° West, latitude 38.767333984375° North, depth = 28.190000534058 km. The epicenter of the earthquake was roughly 28.190000534058 km (18 miles) below the earth’s surface. Event id: nc75114241. Ids that are associated to the earthquake: nc75114241.

Close country/countries that might be effected, United States (c. 310 233 000 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Novato, Williams, Napa. Earthquake epicenter was 37 km (23 miles) from Santa Rosa (c. 167 800 pop), 69 km (43 miles) from Napa (c. 76 900 pop), 61 km (38 miles) from Petaluma (c. 57 900 pop), 76 km (47 miles) from Novato (c. 51 900 pop), 48 km (30 miles) from Rohnert Park (c. 41 000 pop).

Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. Each year there are an estimated 1,300,000 minor quakes in the world. In the past 24 hours, there have been 0, in the last 10 days one, in the past 30 days three and in the last 365 days twenty-one earthquakes of magnitude 3.0 or greater that has occurred nearby.

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. 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: 4 km W of The Geysers, CA.

CA Napa Novato Petaluma Rohnert Park Santa Rosa The Geysers United States Williams

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Parameter	Value	Description
Magnitude	2.8 mb	The magnitude for the event.
Longitude	-122.80449676514° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	38.767333984375° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	28.190000534058 km	Depth of the event in kilometers.
Place	4 km W 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	2025-01-07 22:30:49	Time when the event occurred. UTC/GMT
Updated	2025-01-07 22:37:29	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	121	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	4	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.03048	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.12 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	113	The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type	md	The method or algorithm used to calculate the preferred magnitude for the event.
Event Type	earthquake	Type of seismic event.
Event ID	nc75114241	Id of event.
Event Code	75114241	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,nc75114241,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake: M2.8 quake has struck near The Geysers in CA

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