The property is situated within a wide zone of northwest trending active faulting that includes the Elsinore fault and several lesser known parallel faults making up the eastern edge of the zone. Archived report (descriptions no longer maintained) Elsinore fault zone, Whittier section (Class A) No. ALQUIST-PRIOLOEARTHQUAKEFAULTZONINGACT The Alquist-Priolo Earthquake Fault Zoning Act requires the State Geologist to identify earthquake fault zones along traces of both recently and potentially active major faults. A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z. NASA photo, 2008. MOST RECENT SURFACE RUPTURE: 18th century A.D.(?) The Whittier-Elsinore Fault Zone traverses the Planning Area in a generally northwest to southeast direction. It is estimated that this zone is capable of producing a quake of 6.5–7.5 MW. Northwest of Lake Elsinore are the Glen Ivy North and Glen Ivy South faults. Los Angeles Fault Map, Southern California Earthquake Data Center, Training and Validation Data Sets for Deep Learning, Division of Geological and Planetary Sciences. At its northern end, the Elsinore fault zones splays into two segments, the . The Elsinore Fault Zone forms a complex series of pull-apart basins. Southern Fault Map [3], The fault runs from the mountainous Peninsular Ranges region between El Centro and San Diego, northwest to the Chino Hills range and Chino Hills. At its southern end, the Elsinore fault is cut by the Yuha Wells fault from what amounts to its southern continuation: the Laguna Salada fault. This part of the fault zone is double stranded. LENGTH: about 180 km (not including the Whittier, Chino, and Laguna Salada faults) southeast across the northeast half of the County, the Elsinore and San Jacinto fault zones, present the highest threat of fault-rupture in the unincorporated portion of San Diego County (Figure 2). Microearthquakes along the Elsinore fault zone, southern California, were monitored during the summer and fall of 1972. Geology of a portion of the Elsinore fault zone, California by Mann, John Francis, 1921-Publication date 1955 Topics Geology, Geology, Faults (Geology) Publisher San Francisco Collection caminesgeo; ucdavis; americana Digitizing sponsor University of California, Davis Libraries Contributor University of California, Davis Libraries Language English Volume No.43. Prof Ghosh said that the people of California tend to forget the danger posed by the Elsinore Fault Zone because more infamous faults occupy their attention. Both blocks are relatively stable internally and within the quadrangle are characterized by the presence of widespread erosional surfaces of low relief. These earthquakes could be related to low-angle blind faults similar to the Peralta Hills fault located farther north.” According to the U.S. Geological Survey, the earthquake had a depth of about six miles and occurred on the Elsinore Fault Zone. The fault is part of the trilateral split of the San Andreas fault system and is one of the largest, though quietest faults in Southern California. Elsinore Fault Zone CA: Riverside Co. Age. For the most up-to-date information, please refer to the interactive fault map. Sweeney Wash and Canyon is located in the Elsinore Fault Zone. Exhibit PS-1: Whittier-Elsinore Fault, shows the locations of these nearby faults that could potentially impact the planning area. Over 5,000 hr of noisefree records were accumulated and analyzed. The Elsinore fault zone forms a complex of pull-apart basins. Area in a generally northwest to southeast direction noisefree records were accumulated and analyzed 1 January 2018 up-to-date,! 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