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The 1948 Desert Hot Springs earthquake occurred on December 4 at 3:43 p.m. Pacific Standard Time with a moment magnitude of 6.4 and a maximum Mercalli intensity of VII (Very strong). The shock was felt from the central coast of California in the north, and to Baja California in the south, and came at a time when earthquake research in southern ...
This is intended to be a complete list of the properties and districts on the National Register of Historic Places in Riverside County, California, United States. Latitude and longitude coordinates are provided for many National Register properties and districts; these locations may be seen together in an online map.
Probabilistic seismic hazard map. The earliest known earthquake in the U.S. state of California was documented in 1769 by the Spanish explorers and Catholic missionaries of the Portolá expedition as they traveled northward from San Diego along the Santa Ana River near the present site of Los Angeles.
The San Jacinto Fault Zone and the San Andreas Fault (SAF) accommodate up to 80% of the slip rate between the North American and Pacific plates.The extreme southern portion of the SAF has experienced two moderate events in historical times, while the SJFZ is one of California's most active fault zones and has repeatedly produced both moderate and large events.
Jurupa Valley, Riverside: The crossing occurred between what is now the cities of Riverside, on the southwest side of the river, and Jurupa Valley. A memorial to the crossing has been placed in the Martha McLean – Anza Narrows park in the city of Riverside. Camp Coxcomb at Desert Training Center: 985: Camp Coxcomb at Desert Training Center
A full fault rupture, estimated to be around a 7.5 magnitude, could kill between 3,000 and 18,000 people, according to US Geological Survey and Southern California Earthquake Center.
The 1899 San Jacinto earthquake occurred on Christmas morning (December 25) at 04:25 local time in Southern California. The estimated moment magnitude 6.7 earthquake had an epicenter located 10 miles southeast of San Jacinto. The earthquake had a maximum Mercalli intensity of IX (Violent). Severe damage occurred, amounting to US$50,000 (1899 ...
Riverside: Natural history: website, a family-oriented non-profit earth science educational facility, located outside of Riverside city limits, features Ruth and Sam Kirkby Earth Science Museum Kelso Depot: Kelso: San Bernardino: Local history: Railroads, local history, visitor center for the Mojave National Preserve: Keys Desert Queen Ranch ...