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Earthquake breaking news, Minor World Earthquakes Magnitude -3.9

Minor earthquake, 3.46 mag strikes near Big Bear Lake in California

Earthquake location 34.1181679S, -116.9113312WA minor earthquake magnitude 3.46 (ml/mb) has struck on Friday, 14 kilometers (9 miles) from Big Bear Lake in California. Exact location, longitude -116.9113312° West, latitude 34.1181679° North, depth = 7.42 km. Event ids that are associated to the earthquake: ci37476904. Id of event: ci37476904. The 3.46-magnitude earthquake was detected at 19:31:59 / 7:31 pm (local time epicenter). The earthquake occurred at a depth of 7.42 km (5 miles) below the earth’s surface. Global time and date of event 17/10/15 / 2015-10-17 02:31:59 / October 17, 2015 @ 2:31 am UTC/GMT.

Nearest cities/city/villages to epicentrum/hypocenter was Diamond Bar, Rancho Santa Margarita, Portola Hills (min 5000 pop). Earthquake epicenter was 48 km (30 miles) from Riverside (c. 303 900 pop), 35 km (22 miles) from San Bernardino (c. 209 900 pop), 48 km (30 miles) from Fontana (c. 196 100 pop), 36 km (22 miles) from Moreno Valley (c. 193 400 pop), 63 km (39 miles) from Rancho Cucamonga (c. 165 300 pop). Close country/countries, United States (c. 310 233 000 pop) (That might be effected).

In the past 24 hours, there have been three, in the last 10 days four, in the past 30 days five and in the last 365 days thirty-nine earthquakes of magnitude 3.0 or greater that has occurred nearby. Each year there are an estimated 130,000 minor quakes in the world. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage.

Did you feel anything?

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: 14 km S of Big Bear Lake, California. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.46 mb The magnitude for the event.
Longitude -116.9113312° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 34.1181679° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 7.42 km Depth of the event in kilometers.
Place 14km S 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 2015-10-17 02:31:59 Time when the event occurred. UTC/GMT
Updated 2015-10-17 02:36:49 Time when the event was most recently updated. UTC/GMT
Timezone offset -420 Timezone offset from UTC in minutes at the event epicenter.
Felt 9 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 reviewed 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 187 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 98 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.0319 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 21 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 ci37476904 Id of event.
Event Code 37476904 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ci37476904, A comma-separated list of event ids that are associated to an event.

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