Minor earthquake: M3.35 quake has struck near Big Bear City in CA

A minor earthquake with magnitude 3.35 (ml/mb) was detected on Sunday, 7 kilometers (4 miles) from Big Bear City in CA. All ids that are associated to the event: ci41102847. Unique identifier: ci41102847. The earthquake was roughly at a depth of 4.95 km (3 miles). Exact location of event, depth 4.95 km, -116.8566666° West, 34.3213348° North. Exact time and date of event in UTC/GMT: 05/10/25 / 2025-10-05 09:51:36 / October 5, 2025 @ 9:51 am. The temblor was picked up at 09:51:36 / 9:51 am (local time epicenter).

Close country/countries, United States (c. 310 233 000 pop) (That might be effected). Nearest cities/city/towns to hypocenter/epicentrum was El Cerrito, Montclair, Canyon Lake (min 5000 pop). Epicenter of the event was 64 km (40 miles) from Riverside (c. 303 900 pop), 46 km (29 miles) from San Bernardino (c. 209 900 pop), 59 km (37 miles) from Fontana (c. 196 100 pop), 55 km (34 miles) from Moreno Valley (c. 193 400 pop), 72 km (45 miles) from Rancho Cucamonga (c. 165 300 pop).

There are an estimated 130,000 minor quakes in the world each year. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. In the past 24 hours, there have been two, in the last 10 days two, in the past 30 days six and in the last 365 days fourty-five earthquakes of magnitude 3.0 or greater that have been detected in the same area.

Did you feel the quake?

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 N of Big Bear City, CA.

Big Bear City CA Canyon Lake El Cerrito Fontana Montclair Moreno Valley Rancho Cucamonga Riverside San Bernardino United States

More information

Parameter	Value	Description
Magnitude	3.35 mb	The magnitude for the event.
Longitude	-116.8566666° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	34.3213348° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	4.95 km	Depth of the event in kilometers.
Place	7 km N of Big Bear City, CA	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2025-10-05 09:51:36	Time when the event occurred. UTC/GMT
Updated	2025-10-05 09:58:23	Time when the event was most recently updated. UTC/GMT
Timezone offset		Timezone offset from UTC in minutes at the event epicenter.
Felt	4	The total number of felt reports
CDI	3.4	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	174	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	148	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.03596	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.16 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	26	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	ci41102847	Id of event.
Event Code	41102847	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ci41102847,	A comma-separated list of event ids that are associated to an event.

Earthquakes today

Current and latest world earthquakes breaking news, activity and articles today

Minor earthquake: M3.35 quake has struck near Big Bear City in CA

Did you feel the quake?

More information

Leave a ReplyCancel reply

Follow us!

Tsunami videos

Categories

Information