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Minor earthquake, 2.99 mag strikes near San Ramon in CA

Posted by admin on November 9, 2025 0 Comments

A minor earthquake with magnitude 2.99 (ml/mb) was detected on Sunday, 4 kilometers (2 miles) from San Ramon in CA. The epicenter was at a depth of 7.9699997901917 km (5 miles). Exact time and date of earthquake 09/11/25 / 2025-11-09 17:41:20 / November 9, 2025 @ 5:41 pm UTC/GMT. Event ids that are associated to the earthquake: nc75260886. Id of event: nc75260886. Exact location, longitude -121.94566345215° West, latitude 37.754833221435° North, depth = 7.9699997901917 km. The 2.99-magnitude earthquake was detected at 17:41:20 / 5:41 pm (local time epicenter).

Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Patterson, Scotts Valley, Boyes Hot Springs. Close country/countries, United States (c. 310 233 000 pop) (That might be effected). Epicenter of the event was 46 km (29 miles) from San Jose (c. 945 900 pop), 42 km (26 miles) from San Francisco (c. 805 200 pop), 29 km (18 miles) from Oakland (c. 390 700 pop), 62 km (38 miles) from Stockton (c. 291 700 pop), 23 km (14 miles) from Fremont (c. 214 100 pop).

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

How would you describe the shaking?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 4 km SE of San Ramon, CA.

Boyes Hot Springs CA Fremont Oakland Patterson San Francisco San Jose San Ramon Scotts Valley Stockton United States

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Parameter	Value	Description
Magnitude	2.99 mb	The magnitude for the event.
Longitude	-121.94566345215° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	37.754833221435° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	7.9699997901917 km	Depth of the event in kilometers.
Place	4 km SE of San Ramon, CA	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2025-11-09 17:41:20	Time when the event occurred. UTC/GMT
Updated	2025-11-09 17:44:09	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	138	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	22	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.03373	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	54	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	nc75260886	Id of event.
Event Code	75260886	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,nc75260886,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 2.99 mag strikes near San Ramon in CA

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