Minor earthquake, 3.06 mag strikes near Dunnigan in CA

A minor earthquake magnitude 3.06 (ml/mb) has occurred on Friday, 11 kilometers (7 miles) from Dunnigan in CA. Exact time and date of earthquake 23/05/25 / 2025-05-23 21:32:01 / May 23, 2025 @ 9:32 pm UTC/GMT. Event id: nc75185631. Ids that are associated to the earthquake: nc75185631. The epicenter was at a depth of 0.38999998569488 km (0 miles). The temblor was detected at 21:32:01 / 9:32 pm (local time epicenter). Exact location of earthquake, longitude -122.08383178711 West, latitude 38.917499542236 North, depth = 0.38999998569488 km.

Nearest cities/city/towns to hypocenter/epicentrum was Roseland, Thermalito, Loomis (min 5000 pop). Close country/countries, United States (c. 310 233 000 pop) (That might be effected). Event epicenter was 63 km (39 miles) from Sacramento (c. 466 500 pop), 76 km (47 miles) from Santa Rosa (c. 167 800 pop), 71 km (44 miles) from Roseville (c. 118 800 pop), 74 km (46 miles) from Fairfield (c. 105 300 pop), 63 km (39 miles) from Vacaville (c. 92 400 pop).

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 two, in the past 30 days seven and in the last 365 days thirty-two earthquakes of magnitude 3.0 or greater that has struck near. Each year there are an estimated 130,000 minor quakes in the world.

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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. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 11 km WNW of Dunnigan, CA.

CA Dunnigan Fairfield Loomis Roseland Roseville Sacramento Santa Rosa Thermalito United States Vacaville

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Parameter	Value	Description
Magnitude	3.06 mb	The magnitude for the event.
Longitude	-122.08383178711° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	38.917499542236° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	0.38999998569488 km	Depth of the event in kilometers.
Place	11 km WNW of Dunnigan, CA	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2025-05-23 21:32:01	Time when the event occurred. UTC/GMT
Updated	2025-05-23 21:34:49	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	144	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	34	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.1316	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.38 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	58	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	nc75185631	Id of event.
Event Code	75185631	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,nc75185631,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.06 mag strikes near Dunnigan in CA

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