Minor earthquake 2.949393921134 mag, 9 km SSW of Big Bear Lake, CA

A minor earthquake magnitude 2.949393921134 (ml/mb) strikes 9 kilometers (6 miles) from Big Bear Lake in CA on Tuesday. Unique identifier: ci41146015. Ids that are associated to the event: ci41146015. The earthquake occurred at a depth of 8.2200002670288 km (5 miles). Exact location of event, depth 8.2200002670288 km, -116.94533538818° West, 34.168998718262° North. The temblor was picked up at 08:32:53 / 8:32 am (local time epicenter). Global time and date of event 23/12/25 / 2025-12-23 08:32:53 / December 23, 2025 @ 8:32 am UTC/GMT.

Event epicenter was 48 km (30 miles) from Riverside (c. 303 900 pop), 32 km (20 miles) from San Bernardino (c. 209 900 pop), 46 km (29 miles) from Fontana (c. 196 100 pop), 37 km (23 miles) from Moreno Valley (c. 193 400 pop), 60 km (37 miles) from Rancho Cucamonga (c. 165 300 pop). Closest city/cities/towns to epicentrum/hypocenter was Barstow Heights, Chino Hills, Temecula (min 5000 pop). Country/countries that might be effected, United States (c. 310 233 000 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 three, in the past 30 days seven and in the last 365 days fifty earthquakes of magnitude 3.0 or greater that has occurred nearby. Each year there are an estimated 130,000 minor earthquakes in the world.

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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, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 9 km SSW of Big Bear Lake, CA. This data comes from the USGS Earthquake Notification Service.

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Parameter	Value	Description
Magnitude	2.949393921134 mb	The magnitude for the event.
Longitude	-116.94533538818° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	34.168998718262° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	8.2200002670288 km	Depth of the event in kilometers.
Place	9 km SSW of Big Bear Lake, CA	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2025-12-23 08:32:53	Time when the event occurred. UTC/GMT
Updated	2025-12-23 08:40:38	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	2	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	134	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	122	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.07567	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.180000007 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	ci41146015	Id of event.
Event Code	41146015	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ci41146015,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake 2.949393921134 mag, 9 km SSW of Big Bear Lake, CA

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