Minor earthquake, 3.11 mag strikes near Big Bear Lake in CA

A minor earthquake magnitude 3.11 (ml/mb) has struck on Saturday, 3 kilometers (2 miles) from Big Bear Lake in CA. Date and time of earthquake in UTC/GMT: 02/08/25 / 2025-08-02 18:19:25 / August 2, 2025 @ 6:19 pm. The earthquake was roughly at a depth of 7.83 km (5 miles). The temblor was picked up at 18:19:25 / 6:19 pm (local time epicenter). Exact location of event, depth 7.83 km, -116.8820038° West, 34.2423325° North. Event ids that are associated to the earthquake: ci41251592. Id of event: ci41251592.

Earthquake epicenter was 57 km (36 miles) from Riverside (c. 303 900 pop), 40 km (25 miles) from San Bernardino (c. 209 900 pop), 54 km (33 miles) from Fontana (c. 196 100 pop), 47 km (29 miles) from Moreno Valley (c. 193 400 pop), 67 km (42 miles) from Rancho Cucamonga (c. 165 300 pop). Close country/countries that might be effected, United States (c. 310 233 000 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Lakeland Village, Claremont, Chino.

Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. Every year there are an estimated 130,000 minor earthquakes in the world. In the past 24 hours, there have been one, in the last 10 days eight, in the past 30 days nine and in the last 365 days fourty-three earthquakes of magnitude 3.0 or greater that has struck near.

Did you feel anything?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. 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: 3 km E of Big Bear Lake, CA.

Big Bear Lake CA Chino Claremont Fontana Lakeland Village Moreno Valley Rancho Cucamonga Riverside San Bernardino United States

More information

Parameter	Value	Description
Magnitude	3.11 mb	The magnitude for the event.
Longitude	-116.8820038° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	34.2423325° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	7.83 km	Depth of the event in kilometers.
Place	3 km E 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	2025-08-02 18:19:25	Time when the event occurred. UTC/GMT
Updated	2025-08-02 18:27:48	Time when the event was most recently updated. UTC/GMT
Timezone offset		Timezone offset from UTC in minutes at the event epicenter.
Felt	14	The total number of felt reports
CDI	3.8	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	154	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	123	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.03777	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.18 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	27	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	ci41251592	Id of event.
Event Code	41251592	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ci41251592,	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, 3.11 mag strikes near Big Bear Lake in CA

Did you feel anything?

More information

Leave a ReplyCancel reply

Follow us!

Tsunami videos

Categories

Information