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Minor World Earthquakes Magnitude -3.9

Earthquake: M 2.81 quake strikes near Big Bear Lake in California


Earthquake location 34.1388333S, -116.8415WA minor earthquake magnitude 2.81 (mg/mb) has striked on Sunday, 13 kilometers (8 miles) from Big Bear Lake in California. The temblor was reported at 23:50:23 / 11:50 pm (local time epicenter) at a depth of 11.05 km (7 miles). Global time of event 13/04/15 / 2015-04-13 06:50:23 / April 13, 2015 @ 6:50 am UTC/GMT. A tsunami warning has not been issued, according to the U.S. Geological Survey. Exact location of event, longitude -116.8415 West, latitude 34.1388333 North, depth 11.05 km, unique identifier, ci37362880.

Close countries, United States (c. 310 233 000 pop). The epicenter was 55 km (34 miles) from Riverside (c. 303 900 pop), 41 km (26 miles) from San Bernardino (c. 209 900 pop), 55 km (34 miles) from Fontana (c. 196 100 pop), 42 km (26 miles) from Moreno Valley (c. 193 400 pop), 69 km (43 miles) from Rancho Cucamonga (c. 165 300 pop). Nearest city, towns to epicentrum/hypocenter was Temecula, Ontario, Upland.

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Leave a comment or report about shaking, activity and damage at your home, city and country. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded in: 13 km SSE of Big Bear Lake, California.


More information

Parameter Value Description
Magnitude 2.81 mb The magnitude for the event.
Longitude -116.8415° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 34.1388333° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 11.05 km Depth of the event in kilometers.
Place 13km SSE of Big Bear Lake, California Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-04-13 06:50:23 Time when the event occurred. UTC/GMT
Updated 2015-04-13 06:55:13 Time when the event was most recently updated. UTC/GMT
Timezone offset -420 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 121 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 94 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.0904 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.22 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 28 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 ci37362880 Id of event.
Event Code 37362880 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ci37362880, A comma-separated list of event ids that are associated to an event.

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