(AP … On Oct. 17, 1989, destruction from the Loma Prieta earthquake killed 67 people and injured 3,757. Since 1989, the work of the U.S. Geological Survey and other organizations has improved understanding of the seismic threat in the Bay region, promoted awareness of earthquake hazards, and contributed to more effective strategies to reduce earthquake losses. It was a tragic reminder of the destructive power of earthquakes. CGS's Related Maps and Publications. In this ScienceStruck post, we will provide facts and statistics about this earthquake and the effects of the same. It examines how the fault that generated the earthquake ruptured, searches for and evaluates precursors that may have indicated an earthquake was coming, reviews forecasts of the earthquake, and describes the geology of the earthquake area and the crustal forces... Professional Paper 1553 describes how people and organizations responded to the earthquake and how the earthquake impacted people and society. These are their stories. Also, the World Series between the San Francisco Giants and Oakland A's was postponed. The October 17, 1989, Loma Prieta, California, earthquake: selected photographs; 1999; DS; 29; Nakata, John K.; Meyer, C. E.; Wilshire, H. G.; Tinsley, J. C., III; Updegrove, W. S.; Peterson, D. M.; Ellen, S. D.; Haugerud, R. A.; McLaughlin, R. J.; Fisher, G. R.; Diggles, M. F. Progress toward a safer future since the 1989 Loma Prieta earthquake; 1999; FS; 151-99; Page, Robert A.; Stauffer, Peter H.; Hendley, James W., II. Scientists deployed an analog system to notify first responders of impending earthquake activity as they worked on rescue efforts at the Cypress Viaduct collapse in Oakland, CA. On October 17, 1989, at 5:04:15 p.m. (PDT), a magnitude 6.9 earthquake severely shook the San Francisco and Monterey Bay regions. Many other communities sustained severe damage throughout the region located in Alameda, San Mateo, Santa Clara, San Benito, Santa Cruz and Montereycounties. It was a tragic reminder of the destructive power of earthquakes. The investigations evaluate the tools available to the research community to measure the nature, extent, and causes of damage and losses. It also aired at the following dates and times: Sunday, October 19, … San Francisco earthquake of 1989, also called Loma Prieta earthquake, major earthquake that struck the San Francisco Bay Area, California, U.S., on October 17, 1989, and caused 63 deaths, nearly 3,800 injuries, and an estimated $6 billion in property damage. Brocher, T.M., Gefeke, K., Boatwright, J., and Knudsen, K.L., 2018, Reported investments in earthquake mitigation top \$73 to \$80 billion in the San Francisco Bay Area, California, since the 1989 Loma Prieta earthquake: U.S. Geological Survey Open-File Report 2018–1168, 18 p., https://doi.org/10.3133/ofr20181168. The epicenter was located in the Santa Cruz Mountains west of Loma Prieta Peak on a previously undiscovered fault near the larger and well known San Andreas Fault. VIDEO: A look back at the hours and days surrounding Loma Prieta Over the course of that quarter-century, the physical scars of that devastating event have largely faded from view. Earthquake Loma Prieta California 1989 The Loma Prieta earthquake was a major earthquake that struck the San Francisco Bay Area of California on October 17, 1989, at 5:04 p.m. local time. The epicenter was located near Loma Prieta peak in the Santa Cruz Mountains, approximately 14 km (9 mi) northeast of Santa Cruz and 96 km (60 mi) south-southeast of San Francisco. Some significant findings were: 1989 Earthquake Reports and PhotographsFrom the Virtual Museum of the City of San Francisco. ​The anniversary of the Loma Prieta earthquake also marks the anniversary of the creation of the Seismic Hazards Zoning Program (SHZP), one of the key programs operated by California Geological Survey (CGS) to aid in preparedness. * Approximately 16,... Professional Paper 1550 seeks to understand the M6.9 Loma Prieta earthquake itself. However, it was also a watershed moment in seismic research. And studied it. Across the bay area, the quake was responsible for 62 deaths, and damage estimates neared the 5 … KPIX CBS SF Bay Area 1,362 views Losses to these systems totaled approximated $5.9 billion. That particular day … Death, destruction, and havoc were again visited upon the San Francisco area in 1989. During the 1989 Loma Prieta Earthquake, the soils underlying the Marina District amplified the ground motion as in 1906 and caused the liquefaction of the superficial sandy materials that were used to fill the old lagoon in 1915. 18,306 houses were damaged and 963 were destroyed. And studied it. Only two have occurred since the San Francisco earthquake. "The Loma Prieta earthquake was a … The earthquake drill, which reminded people to drop, cover and hold, took place at 10:17 a.m., coinciding with the Loma Prieta anniversary. The earthquake struck at 5:04p.m. A magnitude 8 earthquake radiates 30 times more energy of a magnitude 7 and 900 times the energy of a magnitude 6. ShakemapMap showing ground motion and shaking intensity based on instrumental measurements of shaking along with information about local geology and the earthquake’s location and magnitude. The 1989 Loma Prieta earthquake opened large fissures on Summit Road in Santa Cruz County, Calif. (Jim Gensheimer/Mercury News) William Kelly was renting a … Loma Prieta was a 15 second wakeup call to the Bay Area. Pounding was present over a wide geographical area including the cities of San Francisco, Oakland, Santa Cruz and Watsonville. EventpageTectonic summary, maps and data. ​Revisiting the 1989 Loma Prieta earthquake serves as an important reminder to all residents of California that the geologic processes responsible for creating the beautiful natural landscape we enjoy can sometimes occur suddenly and violently so it’s important to be prepared. It lasts a minute in a magnitude 8. The 6.0 quake caused nearly $1 billion on damage … Today marks the 30th anniversary of the Loma Prieta Earthquake that shook the San Francisco Bay Area on October 17, 1989. 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