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Minor earthquake 2.83 mag, 5 km NW of Big Bear Lake, CA


Earthquake location 34.2758333S, -116.946WA minor earthquake magnitude 2.83 (ml/mb) has occurred on Monday, 5 kilometers (3 miles) from Big Bear Lake in CA. The earthquake was roughly at a depth of 2.39 km (1 miles). All ids that are associated to the event: ci40698271. Unique identifier: ci40698271. Exact time and date of earthquake 12/08/24 / 2024-08-12 05:54:26 / August 12, 2024 @ 5:54 am UTC/GMT. Exact location of earthquake, longitude -116.946 West, latitude 34.2758333 North, depth = 2.39 km. The temblor was reported at 05:54:26 / 5:54 am (local time epicenter).

Nearest cities/city/villages to epicentrum/hypocenter was Lake Elsinore, Chino, Claremont (min 5000 pop). Country/countries that might be effected, United States (c. 310 233 000 pop). Event epicenter was 55 km (34 miles) from Riverside (c. 303 900 pop), 37 km (23 miles) from San Bernardino (c. 209 900 pop), 49 km (31 miles) from Fontana (c. 196 100 pop), 46 km (28 miles) from Moreno Valley (c. 193 400 pop), 62 km (39 miles) from Rancho Cucamonga (c. 165 300 pop).

Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. In the past 24 hours, there have been 0, in the last 10 days 0, in the past 30 days four and in the last 365 days nine earthquakes of magnitude 3.0 or greater that has occurred nearby. Each year there are an estimated 1,300,000 minor quakes in the world.

Questions or comments?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 5 km NW of Big Bear Lake, CA. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.83 mb The magnitude for the event.
Longitude -116.946° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 34.2758333° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 2.39 km Depth of the event in kilometers.
Place 5 km NW 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 2024-08-12 05:54:26 Time when the event occurred. UTC/GMT
Updated 2024-08-12 06:02:10 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 3.8 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 125 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 0.02489 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.17 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 36 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 ci40698271 Id of event.
Event Code 40698271 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ci40698271, A comma-separated list of event ids that are associated to an event.

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