Minor earthquake, 3.17 mag has occurred near Big Bear Lake in CA

A minor earthquake magnitude 3.17 (ml/mb) has occurred on Saturday, 7 kilometers (4 miles) from Big Bear Lake in CA. Unique identifier: ci38252192. Ids that are associated to the event: ci38252192. Exact location of earthquake, -116.9353333° West, 34.2996674° North, depth 3.78 km. The earthquake occurred at a depth of 3.78 km (2 miles). Date and time of earthquake in UTC/GMT: 18/08/18 / 2018-08-18 16:02:05 / August 18, 2018 @ 4:02 pm. The temblor was picked up at 16:02:05 / 4:02 pm (local time epicenter).

Nearest cities/city/towns to hypocenter/epicentrum was Pomona, Los Serranos, La Verne (min 5000 pop). Earthquake epicenter was 57 km (36 miles) from Riverside (c. 303 900 pop), 39 km (24 miles) from San Bernardino (c. 209 900 pop), 51 km (32 miles) from Fontana (c. 196 100 pop), 49 km (30 miles) from Moreno Valley (c. 193 400 pop), 64 km (40 miles) from Rancho Cucamonga (c. 165 300 pop). Nearby country/countries, United States (c. 310 233 000 pop) (That might be effected).

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

Questions or comments?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 7 km NNW of Big Bear Lake, CA. This information comes from the USGS Earthquake Notification Service.

Big Bear Lake CA Fontana La Verne Los Serranos Moreno Valley Pomona Rancho Cucamonga Riverside San Bernardino United States

More information

Parameter	Value	Description
Magnitude	3.17 mb	The magnitude for the event.
Longitude	-116.9353333° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	34.2996674° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	3.78 km	Depth of the event in kilometers.
Place	7km NNW 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	2018-08-18 16:02:05	Time when the event occurred. UTC/GMT
Updated	2018-08-18 16:13:16	Time when the event was most recently updated. UTC/GMT
Timezone offset		Timezone offset from UTC in minutes at the event epicenter.
Felt		The total number of felt reports
CDI		The maximum reported intensity for the event.
MMI	3.98	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	155	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	126	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.03918	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.15 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	20	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	ci38252192	Id of event.
Event Code	38252192	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ci38252192,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.17 mag has occurred near Big Bear Lake in CA

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