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Earthquake breaking news, Minor World Earthquakes Magnitude -3.9

Minor earthquake, 2.96 mag was detected near Big Bear Lake in CA

Earthquake location 34.3258324S, -116.9248352WA minor earthquake with magnitude 2.96 (ml/mb) was detected on Sunday, 9 kilometers (6 miles) from Big Bear Lake in CA. The temblor was reported at 20:12:49 / 8:12 pm (local time epicenter). Exact time and date of earthquake 28/02/21 / 2021-02-28 20:12:49 / February 28, 2021 @ 8:12 pm UTC/GMT. Unique identifier: ci39805008. Ids that are associated to the event: ci39805008, us7000deeb. The epicenter of the earthquake was roughly 3.38 km (2 miles) below the earth’s surface. Exact location of earthquake, -116.9248352° West, 34.3258324° North, depth 3.38 km.

Close country/countries that might be effected, United States (c. 310 233 000 pop). Epicenter of the earthquake was 60 km (37 miles) from Riverside (c. 303 900 pop), 41 km (26 miles) from San Bernardino (c. 209 900 pop), 54 km (33 miles) from Fontana (c. 196 100 pop), 52 km (32 miles) from Moreno Valley (c. 193 400 pop), 66 km (41 miles) from Rancho Cucamonga (c. 165 300 pop). Closest city/cities/towns to epicentrum/hypocenter was Chino, Canyon Lake, Corona (min 5000 pop).

Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. In the past 24 hours, there have been one, in the last 10 days two, in the past 30 days two and in the last 365 days fifty-four 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.

Questions or comments?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 9 km N of Big Bear Lake, CA.

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More information

Parameter Value Description
Magnitude 2.96 mb The magnitude for the event.
Longitude -116.9248352° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 34.3258324° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 3.38 km Depth of the event in kilometers.
Place 9km N 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 2021-02-28 20:12:49 Time when the event occurred. UTC/GMT
Updated 2021-02-28 20:57:55 Time when the event was most recently updated. UTC/GMT
Timezone offset Timezone offset from UTC in minutes at the event epicenter.
Felt 10 The total number of felt reports
CDI 4.3 The maximum reported intensity for the event.
MMI 3.25 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 139 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,us, A comma-separated list of network contributors.
Number of Stations Used 112 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.06347 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.18 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 39 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 ci39805008 Id of event.
Event Code 39805008 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ci39805008,us7000deeb, A comma-separated list of event ids that are associated to an event.

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