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Map showing the San Jacinto Fault Zone outlined in red. The San Jacinto Fault Zone (SJFZ) is a major strike-slip fault zone that runs through San Bernardino, Riverside, San Diego, and Imperial Counties in Southern California. The SJFZ is a component of the larger San Andreas transform system and is considered to be the most seismically active ...
The SJFZ is a complex, highly segmented, and overlapped fault zone that runs parallel to the San Andreas Fault, [7] but separated by the San Jacinto Mountains. [2] It is located on the eastern Salton Trough, and runs 290 km (180 mi) directly beneath the cities of San Bernardino, Colton, San Jacinto and Hemet. [2]
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 ...
Effect on geography. Southern California's complex rock formations are a result of uplift by the region's active faults. The San Gabriel and San Bernardino Mountains gained their height from the displacement of brittle granite crust by the San Andreas and the Elsinore Faults. Movement of the Sierra Madre and Raymond Fault have both lifted the ...
The Perris Block is the central block of three major fault-bounded blocks of the northern part of the Peninsular Ranges. The Perris Block lies between the Santa Ana Block to the west and the San Jacinto Block to the east. [1] The Perris Block, was named by Walter A. English in 1925 for the city of Perris, located near the center of the block.
The San Jacinto Mountains are the northernmost of the Peninsular Ranges, which run 1,500 km (930 mi) from Southern California to the southern tip of the Baja California Peninsula. The highest peak in the range is San Jacinto Peak (3,302 m; 10,834 ft) NAVD 88, [3] and the range is also a Great Basin Divide landform for the Salton Watershed to ...
Hemet is a city in the San Jacinto Valley in Riverside County, California. It covers a total area of 29.3 square miles (76 km 2), about half of the valley, which it shares with the neighboring city of San Jacinto. The population was 89,833 at the 2020 census. It borders San Jacinto to the north, East Hemet to the east, Polly Butte and Diamond ...
1918 San Jacinto earthquake. The 1918 San Jacinto earthquake occurred in extreme eastern San Diego County in Southern California on April 21 at 14:32:29 local time. The shock had a moment magnitude of 6.7 and a maximum Mercalli intensity of IX (Violent). Several injuries and one death occurred with total losses estimated to be $ 200,000.