The bigger story could be other fault lines in the state erupting. The Garlock fault line is near the Ridgecrest area where earthquakes measuring M6.4 and M7.1 hit in July and were followed by thousands of aftershocks. Other Notes: The Garlock fault zone is one of the most obvious geologic features in southern California, clearly marking the northern boundary of the area known as the Mojave Block, as well as the southern ends of the Sierra Nevada and the valleys of … It forms the southern face of the El Paso Mountains, and last broke the surface in the Late Quaternary. near Johannesburg (Searles Valley) Of course, if you ask me, the San Madrid seismic zone remains the scariest in the nation, and one of the scariest in the world. The Garlock Fault in the Mojave desert was quiet for 500 years–but it's not looking so quiet any more News & City The Garlock fault runs along the northern border of the Mojave Desert in southern California. NEAREST COMMUNITY: Frazier Park, Tehachapi, Mojave, Johannesburg The southern branch is known as the Leach Lake fault. The Ridgecrest ruptures ended just a few miles shy of the Garlock Fault, a major east-west fault running more than 185 miles (300 kilometers) from the San Andreas Fault to Death Valley. The Garlock Fault is the defining fault between the Mojave Desert and Basin and Range geomorphic provinces. That’s going nowhere good. References. INTERVAL BETWEEN MAJOR RUPTURES: between 200 and 3000 years, depending on the fault segment TYPE OF FAULTING: left-lateral strike-slip MOST RECENT SURFACE RUPTURES: 1050 A.D. It is named after the historic mining town of Garlock , founded in 1894 by Eugene Garlock and now a ghost town . The above map shows fault zones in the Los Angeles Basin region. This fault is featured on the following maps: Northwest Fault Map While no earthquake has produced surface rupture on the Garlock fault in historic times (although cracks opened along a short segment of the fault in 1952, due to the shaking of the Kern County earthquake, and groundwater removal has also triggered slip in the Fremont Valley area), there have been a few sizable quakes recorded along the Garlock fault zone. The fault has slipped nearly an inch at its surface since the Ridgecrest quakes, scientists say. OTHER NOTES: The Garlock fault zone is one of the most obvious geologic features in southern California, clearly marking the northern boundary of the area known as the Mojave Block, as well as the southern ends of the Sierra Nevada and the valleys of the westernmost Basin and Range province. Garlock fault zone, Western Garlock … Little orange lines are the faults. Both the Mule Spring fault and the Leach Lake fault show evidence of surface rupture within the Holocene, so they probably accomodate a sizable fraction of the total slip of the western Garlock fault zone. TYPE OF FAULTING: left-lateral strike-slip (?) The San Andreas fault system is the major geologic boundary between the North American and Pacific tectonic plates and passes through much of the state. 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. Faults in LA County: San Andreas Fault Mojave Section Map Garlock Fault Map Sierra Madre Zone Fault Map Whittier Fault Map Malibu Area Fault Map Raymond Fault Map San Fernando Valley Fault Map Santa Monica Area Faults MOST RECENT SURFACE RUPTURES: 1050 A.D. This fault is featured on the following maps: Garlock Fault Zone. But there are periods in which the Garlock fault is quite active. The northern branch of the fault zone in this area is known as the Mule Spring fault. Aftershocks Propagating Towards the Garlock Fault Seismicity between the M=7.1 at 8:19pm and midnight (local) has continued to the northwest and southeast. Basin and Range Fault Map The Garlock Fault Zone. The Gar­lock Fault runs from a junc­tion with the San An­dreas Fault in the An­te­lope Val­ley, east­ward to a junc­tion with the Death Val­ley Fault Zone in the east­ern Mo­jave Desert. As of January 12, 2017, the USGS maintains a limited number of metadata fields that characterize the Quaternary faults and folds of the United States. Instead, the Garlock fault underwent postseismic creep and exhibited a sizeable earthquake swarm. OTHER NOTES: At the eastern end of the Garlock fault zone, the main trace splits up. SLIP RATE: between 2 and 11 mm/yr; probably averages about 7 mm per year Los Angeles Fault Map, Southern California Earthquake Data Center, Training and Validation Data Sets for Deep Learning, magnitude 5.7 near the town of Mojave on July 11, 1992, Division of Geological and Planetary Sciences. Stretching for 250 kilometers (160 mi), it is the second-longest fault in California, and one of the most prominent geological features in the southern part of the state. About one-fifth the length of the San Andreas, the Garlock Fault runs along the Mojave Desert in Southern California. near Tehachapi; 1500 A.D. The southern branch is known as the Leach Lake fault. The northern branch of the fault zone in this area is known as the Mule Spring fault. LENGTH: 250 km The San Andreas fault system is to the west, the Garlock fault is to the south and the faults of the Sierra Nevada are to the east. The Garlock fault can cycle through long periods of hibernation, lasting as long as 3,000 years, Dolan said. These facts, along with the freshness of scarps left behind from previous ruptures and the on-going seismicity associated with the fault zone, leave little doubt that the Garlock fault zone will rupture again in the future. The Ridgecrest aftershocks have also headed southeast toward the Garlock fault, a lesser-known fault capable of producing an earthquake of magnitude … Northwest Fault Map At least one fsection of the fault has shown movement by creep in recent years. But the central Garlock fault, despite being located immediately south of this sequence, did not coseismically fail. OTHER NOTES: The El Paso fault is a normal fault just north of the main trace of the Garlock fault near Koehn Lake. After about two decades with no major quakes, it’s a wakeup call that we need to be prepared. 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