Tuesday, 11 October 2016

Magnitude 3.7 Earthquake in San Bernardino County, California.

The United States Geological Survey recorded a Magnitude 3.7 Earthquake at a depth of about 14.1 km about 5 km to the south of Loma Linda in San Bernadino County, California, slightly before 10.45 pm local time on Saturday 8 October 2016 (slightly before 5.45 am on Sunday 9 October GMT). There are no reports of any damage or injuries relating to this quake, but people have reported feeling it acrossthe Los Angelese Basin and much of Southern California, from Santa Barbara in the coast east to Indio and south to Tijuana in Mexico.

The approximate location of the 8 October 2016 San Bernardino County Earthquake. Google.

California is extremely prone to Earthquakes due to the presence of the San Andreas Fault, a tectonic plate margin that effectively bisects the state. The west of California, including Santa Barbara and Los Angeles, is located on the Pacific Plate, and is moving to the northwest. The east of California, including Fresno and Bakersfield is on the North American Plate, and is moving to the southeast. The plates do not move smoothly past one-another, but constantly stick together then break apart as the pressure builds up. This has led to a network of smaller faults that criss-cross the state, so that Earthquakes can effectively occur anywhere.

 The extent of and movement on the San Andreas Fault. Geology.

Witness accounts of Earthquakes can help geologists to understand these events and the underlying structures that cause them. If you felt this quake (or if you were in the area but did not, which is also useful information) then you can report it to the United States Geological Survey here.

See also...

http://sciencythoughts.blogspot.co.uk/2016/10/magnitude-29-earthquake-in-orange.htmlMagnitude 2.9 Earthquake in Orange County, California.                                                     The United States Geological Survey recorded a Magnitude 2.9 Earthquake at a depth of about 14.5 km about 3 km to the northwest of Seal Beach in Orange County, California,slightly before...
http://sciencythoughts.blogspot.co.uk/2016/07/sewage-spill-closes-long-beech.htmlSewage spill closes waterfront at Long Beech, California.                                       Parts of the harbour in Long Beech, Los Angeles, had to be closed off after a collapsed pipeline leaked about nine million liters of sewage into the Los Angeles...
http://sciencythoughts.blogspot.co.uk/2015/11/magnitude-35-qrthquake-beneath-northern.html Magnitude 3.5 £qrthquake beneath northern Los Angeles.                                      The United States Geological Survey recorded a Magnitude 3.5 Earthquake at a depth of about 3 km beneath the Pacoima district of Los...

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