Minor earthquake 3.25 mag, 18 km SSE of Big Bear Lake, CA

A minor earthquake magnitude 3.25 (ml/mb) has occurred on Friday, 18 kilometers (11 miles) from Big Bear Lake in CA. Exact location of earthquake, -116.8516693° West, 34.088501° North, depth 1.89 km. The 3.25-magnitude earthquake was detected at 14:24:44 / 2:24 pm (local time epicenter). Event ids that are associated to the earthquake: ci38675450. Id of event: ci38675450. Exact time and date of earthquake 04/09/20 / 2020-09-04 14:24:44 / September 4, 2020 @ 2:24 pm UTC/GMT. The earthquake was roughly at a depth of 1.89 km (1 miles).

Event epicenter was 52 km (33 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), 39 km (24 miles) from Moreno Valley (c. 193 400 pop), 68 km (42 miles) from Rancho Cucamonga (c. 165 300 pop). 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 Los Serranos, Claremont, Chino.

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

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Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 18 km SSE of Big Bear Lake, CA.

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Parameter	Value	Description
Magnitude	3.25 mb	The magnitude for the event.
Longitude	-116.8516693° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	34.088501° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	1.89 km	Depth of the event in kilometers.
Place	18km SSE 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	2020-09-04 14:24:44	Time when the event occurred. UTC/GMT
Updated	2020-09-04 14:36:12	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	3.3	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	167	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	124	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.06449	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.19 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	18	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	ci38675450	Id of event.
Event Code	38675450	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ci38675450,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake 3.25 mag, 18 km SSE of Big Bear Lake, CA

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