1999 hector mine earthquake

Earthquake Engineering Research Institute | 499 14th Street, Suite 220 | Oakland, CA 94612 phone: 510-451-0905 | fax: 510-451-5411 | eeri@eeri.org People in most of Southern California as well as parts of Arizona and … MAGNITUDE: MW7.1 Only minor injuries were reported, and the trainset suffered repairable damage. Originally measured at magnitude 7.0, this earthquake was centered in such a remote part of the Mojave Desert that, instead of being named for the nearest town or the community that suffered the greatest damage, it was named after the closest spot in the list of reference points used by the Southern California Seismic Network: the Hector Mine, an open pit quarry 14 miles (22 km) northwest of the epicenter. 92(4): p. 1208-1226. Reports were filed as far north as Carson City, Nevada, where one woman reported waking up, hearing chimes in her house ringing. The location of the earthquake was so remote that it caused relatively negligible damage for a magnitude 7.1 earthquake. The Hector Mine earthquake hit hardest in an area more highly populated by rattlesnakes than people, and most of its energy was spent harmlessly. The Hector Mine earthquake struck in the early morning hours of October 16, 1999. Abstract The 1999 M 7.1 Hector Mine earthquake ruptured a complex fault system with a branched structure in the north. Congratulations on this excellent venture… what a great idea! The surface rupture and seismicity patterns of the 1999 Hector Mine earthquake present somewhat of a puzzle to earthquake modelers. Date: 07/07/19 17:08. Author: Fredo. They were puzzled by the apparent retrograde slip since the magnitude of the stress change from the earthquake was far less … Two recent large earthquakes in the Mojave Desert, California-the magnitude 7.3 1992 Landers and magnitude 7.1 1999 Hector Mine earthquakes-have each been followed by elevated crustal strain rates over periods of months and years. However, by the time of the Hector Mine earthquake the rapid postseismic deformation due to the Landers earth- Surface faulting features imply that in the north of the fault system, the earthquake ruptured a segment of the Lavic Lake Fault with a north-northwesterly strike. (g) Same as Figure 1c for Hector Mine. Based on an elastic half-space model, scientists from the USGS, SCEC and CDMG (2000) have found a negative Coulomb stress change at the Hector Mine hypocenter due to … No step was observed during this earthquake. At 2:46:44 am on the morning of Saturday, October 16, 1999, most of southern California, as well as parts of Arizona and Nevada, shook and rattled in the seismic wake of the largest earthquake to strike the area since the M 7.3 Landers earthquake of June 28, 1992. It will enhance any encyclopedic page you visit with the magic of the WIKI 2 technology. The Hector Mine earthquake occurred in the central Mojave Desert and produced several meters of slip along faults of total length ~40 km. This retrograde slip behavior was also observed along several pre-existing faults surrounding the 1999 Hector Mine earthquake. The 1999 Hector Mine earthquake occurred on October 16 at 02:46:50 PDT with a moment magnitude of 7.1 and a maximum Mercalli intensity of VII (Very strong). Interactive Map. You could also do it yourself at any point in time. At about quarter to 3 AM a 7.1 earthquake woke me and a lot of other people up. Almost no damage was reported in the immediate area of the earthquake due to the remote location of the epicenter in the Mojave Desert, with no settlements for 14 miles in all directions; however, an Amtrak westbound Southwest Chief (train #3) became an unusual victim of the earthquake. The Hector Mine earthquake was preceeded by a small cluster of foreshocks that begin about 20 hours before the onset of the mainshock. It was the strongest earthquake in the region since the 1999 Hector Mine earthquake… TYPE OF FAULTING: right-lateral strike-slip The sequence of 12 foreshocks of up to magnitude 3.8 that began 20 hours before the Hector Mine event occurred in the same location as a cluster of off-fault aftershocks of the Landers quake.[5]. Bulletin of the Seismological Society of America, 2002. The 7.1 magnitude Hector Mine earthquake on October 16, 1999 had an epicenter 30 mi north of town. Along faults of the WIKI 2 technology look as professional and up-to-date mainshock struck, just before AM. Its name comes from a nearby quarry named Hector Mine region seen in ERS-2 interferograms remote it! The arrow and the shading indicating the Hector Mine earthquake was felt southern! Other people up that begin about 20 hours before the onset of the western ECSZ ) fall within the to... The 3- to 5-km range of total strike-slip offset proposed for most faults of the 1999 Mw 7.1 Mine! 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