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Minor earthquake 2.86 mag, 15 km SSE of Big Bear City, CA


Earthquake location 34.135334S, -116.7754974WA minor earthquake with magnitude 2.86 (ml/mb) was detected on Thursday, 15 kilometers (9 miles) from Big Bear City in CA. Unique identifier: ci38443655. Ids that are associated to the event: ci38443655. The temblor was picked up at 10:47:37 / 10:47 am (local time epicenter). Exact location of earthquake, longitude -116.7754974 West, latitude 34.135334 North, depth = 9.62 km. The epicenter was at a depth of 9.62 km (6 miles). Date and time of earthquake in UTC/GMT: 04/07/19 / 2019-07-04 18:47:37 / July 4, 2019 @ 6:47 pm.

Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Adelanto, El Cerrito, Murrieta. Event epicenter was 61 km (38 miles) from Riverside (c. 303 900 pop), 47 km (29 miles) from San Bernardino (c. 209 900 pop), 61 km (38 miles) from Fontana (c. 196 100 pop), 47 km (29 miles) from Moreno Valley (c. 193 400 pop), 75 km (47 miles) from Rancho Cucamonga (c. 165 300 pop). Country/countries that might be effected, United States (c. 310 233 000 pop).

Every year there are an estimated 1,300,000 minor earthquakes in the world. 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 one, in the past 30 days eight and in the last 365 days seventy earthquakes of magnitude 3.0 or greater that have been detected in the same area.

Did you feel it?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 15 km SSE of Big Bear City, CA.

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More information

Parameter Value Description
Magnitude 2.86 mb The magnitude for the event.
Longitude -116.7754974° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 34.135334° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 9.62 km Depth of the event in kilometers.
Place 15km SSE of Big Bear City, CA Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2019-07-04 18:47:37 Time when the event occurred. UTC/GMT
Updated 2019-07-04 18:50:30 Time when the event was most recently updated. UTC/GMT
Timezone offset -480 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 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 126 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 26 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.1433 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.25 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 147 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 ci38443655 Id of event.
Event Code 38443655 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ci38443655, A comma-separated list of event ids that are associated to an event.

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