Saturday, April 22, 2017

[californiadisasters] 1992 Joshua Tree Earthquake, Sunday, 23 April 2017

"1992 Joshua Tree Earthquake" reminder
Sunday, 23 April 2017
06:00 AM to 06:00 AM
(GMT) Greenwich Mean Time - Dublin / Edinburgh / Lisbon / London
Mojave Desert - San Bernardino County
With the populace of Southern California already on edge from a M4.6 foreshock earlier in the evening during the 7 P.M. hour, this 6.1 earthquake struck at ten minutes to 10 P.M. It severely injured one person and caused tens of millions of dollars in damage, primarily limited to the Yucca Valley area of the Mojave Desert of San Bernardino County. This quake (and the M4.6 foreshock) were located on the Eureka Peak Fault not very far north of the San Andreas Fault Zone (SAFZ) which caused some concern that this might be related to an impending larger quake on the SAFZ. As it turned out this quake was related to an impending larger quake which did strike two months later but to the immediate north along a series of smaller faults and not to the immediate south on the SAFZ. This later larger quake would become known as the M7.3 Landers Quake and the resulting M6.5 Big Bear Quake which struck three hours later, both on the morning of June 28, 1992.
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