Minor earthquake 3.1140373951006 mag, 7 km SSW of Devore, CA

A minor earthquake magnitude 3.1140373951006 (ml/mb) has struck on Wednesday, 7 kilometers (4 miles) from Devore in CA. The earthquake was roughly at a depth of 6.7699999809265 km (4 miles). The temblor was reported at 04:04:07 / 4:04 am (local time epicenter). Exact location of event, depth 6.7699999809265 km, -117.4254989624° West, 34.159832000732° North. Event id: ci41353256. Ids that are associated to the earthquake: ci41353256. Exact time and date of earthquake 17/12/25 / 2025-12-17 04:04:07 / December 17, 2025 @ 4:04 am UTC/GMT.

Nearby country/countries, United States (c. 310 233 000 pop) (That might be effected). Epicenter of the event was 76 km (47 miles) from Los Angeles (c. 3 792 600 pop), 58 km (36 miles) from Anaheim (c. 336 300 pop), 62 km (38 miles) from Santa Ana (c. 324 500 pop), 23 km (14 miles) from Riverside (c. 303 900 pop), 66 km (41 miles) from Irvine (c. 212 400 pop). Nearest cities/city/towns to hypocenter/epicentrum was Signal Hill, Compton, Acton (min 5000 pop).

Every year there are an estimated 130,000 minor earthquakes 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 one, in the last 10 days two, in the past 30 days five and in the last 365 days fourty-one earthquakes of magnitude 3.0 or greater that was reported nearby.

Questions or comments?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city 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: 7 km SSW of Devore, CA.

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Parameter	Value	Description
Magnitude	3.1140373951006 mb	The magnitude for the event.
Longitude	-117.4254989624° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	34.159832000732° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	6.7699999809265 km	Depth of the event in kilometers.
Place	7 km SSW of Devore, CA	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2025-12-17 04:04:07	Time when the event occurred. UTC/GMT
Updated	2025-12-17 04:07:51	Time when the event was most recently updated. UTC/GMT
Timezone offset		Timezone offset from UTC in minutes at the event epicenter.
Felt	6	The total number of felt reports
CDI	3.4	The maximum reported intensity for the event.
MMI	3.303	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	151	A number describing how significant the event is. Larger numbers indicate a more significant event.
Network	ci	The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources	,ci,	A comma-separated list of network contributors.
Number of Stations Used	118	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.03273	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.230000004 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	20	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	ci41353256	Id of event.
Event Code	41353256	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ci41353256,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake 3.1140373951006 mag, 7 km SSW of Devore, CA

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