the 1989 loma prieta earthquake quizlet

[42] About an hour later, NBC News also began continuous coverage with Tom Brokaw[97] anchoring and featuring local coverage from its then-San Francisco affiliate, KRON-TV. Some 12,000 homes and 2,600 businesses were damaged. What was the magnitude of this earthquake? [41] About an hour and 40 minutes after the quake, Fox affiliate KTVU resumed broadcasting, with their news anchors, Dennis Richmond and Elaine Corral reporting from the station's parking lot. [71] Because of new highway structure design guidelines the requirement of ductile construction elements instituted following the 1971 San Fernando earthquake, a limited degree of earthquake reinforcement was retrofitted to the Cypress Viaduct in 1977. The Mayor of San Francisco, Art Agnos, later came on the air and provided an update on the earthquake.[46]. Other ground effects included downslope movement, slumps, and ground cracks. broadband stations with 24-bit digitizers. [63] Many residents slept outside their homes out of concern for further damage from aftershocks, of which there were 51 with magnitudes greater than 3.0 in the following 24 hours, and 16 more the second day. [78] Large cracks in Oakland's runway and taxiway reduced the usable length to two-thirds normal, and damage to the dike required quick remediation to avoid flooding the runway with water from the bay. Farther away from the Santa Cruz Mountains, pieces of concrete fell from a parking structure at the Sunnyvale Town Center, a two-level shopping mall in Santa Clara County. The third earthquake, a 2.7, occurred at 1:59 p.m., according to the USGS. A. Muni relied on diesel buses to continue abbreviated service until electric power was restored later that night, and electric units could be inspected and readied for service on the morning of October 18. LOMA PRIETA 1989 EARTHQUAKE Flashcards | Quizlet The way an earthquake feels depends on where you are, where the earthquake is, and how big the earthquake is:A large earthquake nearby will feel like a sudden large jolt followed quickly by more strong shaking that may last a few seconds or up to a couple of minutes if it's a rare great event. [8][13], The ML 5.3 June 1988 and the ML 5.4 August 1989 events also occurred on previously unknown oblique reverse faults and were within 3mi (4.8km) of the M6.9 Loma Prieta mainshock epicenter, near the intersection of the San Andreas and Sargent faults. 0000001156 00000 n WebThe Loma Prieta, California, earthquake of October 17, 1989-- hydrologic disturbances : strong ground motion and ground failure The Loma Prieta, California, earthquake of October 17, 1989-- Marina District : strong ground motion and ground failure The Loma Prieta, California, earthquake of October 17, 1989 : lifelines It isn't that simple. [25], When the earthquake hit, the third game of the 1989 World Series baseball championship was about to begin. The first official West Coast Messier marathon was conducted from this site in March 1979. KGO-TV, the local owned-and-operated ABC station in San Francisco, lost power for almost 15 minutes upon the start of the earthquake, before beginning its coverage with anchor Cheryl Jennings. [28] The Fraser-Smith et al. Language links are at the top of the page across from the title. [75] In the meantime, traffic was detoured through nearby Interstate 980, causing increased congestion. The Loma Prieta segment of the San Andreas Fault System had been relatively inactive since the 1906 San Francisco earthquake (to the degree that it was designated a seismic gap) until two moderate foreshocks occurred in June 1988 and again in August 1989. The driver, Anamafi Moala, died, and the passenger, her brother, was seriously injured. [37] Many homes were dislodged if they were not bolted to their foundations. San Jose International Airport,[77] Oakland International Airport and San Francisco International Airport all opened the next morning. Having boasted a magnitude of 6.9, it is the biggest to hit the region in 34 years. Remembering when Loma Prieta postponed A's-Giants World Series originally appeared on NBC Sports Bayarea. The so-called Negro Leagues __________ players of whom any team would have been proud. There is more damage and more deaths from earthquakes in other parts of the world primarily because of buildings which are poorly designed and constructed for earthquake regions, and population density. 0000001995 00000 n What type of fault caused the loma preita earthquake? (past, active, boast). that more people would have died had it not been for the World Series as many were watching the game rather than sitting in traffic on freeways, where most of the casualties occurred. Share sensitive information only on official, secure websites. The Loma Prieta aftershocks, San Andreas Fault, creeping section of the San An dreas, Geysers area. Heh! earthquake [99], It is likely that the World Series game saved many lives, as Bay Area residents who would have normally been on the freeways were at home ready to watch the game when the earthquake hit. WebAs devastating as Loma Prieta was, a magnitude 7.5 earthquake on the Hayward Fault in the East Bay could do $65 billion in damage. However, experts claim that more people would have died had it not been for the World Series as many were watching the game rather than sitting in traffic on freeways, where most of the casualties occurred. [61], During the first few days following the quake, electric power to most Santa Cruz County subscribers was out, and some areas had no water. We expect Earthquake information products and tools from the Advanced National Seismic System (ANSS), An open repository of earthquake-triggered ground-failure inventories, Understanding earthquake hazards in urban areas - Evansville Area Earthquake Hazards Mapping Project, Liquefaction probability curves for surficial geologic deposits, Liquefaction hazard for the region of Evansville, Indiana, Liquefaction and other ground failures in Imperial County, California, from the April 4, 2010, El Mayor-Cucapah earthquake, A magnitude 7.1 earthquake in the Tacoma Fault Zone A plausible scenario for the southern Puget Sound region, Washington, The MW 7.0 Haiti Earthquake of January 12, 2010: USGS/EERI Advance Reconnaissance Team Report, Liquefaction hazard maps for three earthquake scenarios for the communities of San Jose, Campbell, Cupertino, Los Altos, Los Gatos, Milpitas, Mountain View, Palo Alto, Santa Clara, Saratoga, and Sunnyvale, Northern Santa Clara County, California, Use of liquefaction-induced features for paleoseismic analysis - An overview of how seismic liquefaction features can be distinguished from other features and how their regional distribution and properties of source sediment can be used to infer the locat, The Loma Prieta, California, Earthquake of October 17, 1989: Strong ground motion and ground failure. a)Produced little damage because most of the areas affected were [35] At the Santa Cruz Beach Boardwalk, the Plunge Building was significantly damaged. [74], Although the freeway reopened in stages between 1997 and 1999, it was not fully rebuilt until 2001 so that it would comply with safety and reinforcement standards. Central California. The earthquake caused over 67 deaths. From the Archives: ABC7's Peabody Award winning coverage of 1989 Loma Prieta [68] Employees from Pacific Pipe drove heavy lift equipment to the scene and started using it to raise sections of fallen freeway enough to allow further rescue. Spent $80 million on seismic retrofit, in 1995. The 1989 Loma Prieta earthquake occurred on California's Central Coast on October 17 at 5:04 p.m. local time. For example, the 1964 Niigata earthquake caused widespread liquefaction in Niigata, Japan which destroyed many buildings. Cooperative Institute for Deep Earth Research (CIDER), Northern California Earthquake Data Center (NCEDC), One month of seismicity following the Loma Prieta mainshock, Background seismicity for the Loma Prieta region, Monthly and annual seismicity for the Loma Prieta region, 16 km ( 10 miles) ENE ( 61 degrees) of Santa Cruz, CA, 22 km ( 13 miles) WSW ( 244 degrees) of Morgan Hill, CA, 34 km ( 21 miles) S ( 177 degrees) of San Jose, CA, 47 km ( 29 miles) N ( 5 degrees) of Monterey, CA, 71 km ( 44 miles) S ( 188 degrees) of Livermore, CA, 91 km ( 57 miles) SSE ( 158 degrees) of Oakland, CA, 95 km ( 59 miles) SSE ( 150 degrees) of San Francisco, CA, 100 km ( 62 miles) SSE ( 159 degrees) of Berkeley, CA. Because it happened during a national live broadcast of the 1989 World Series, the annual championship series of Major League Baseball, taking place between Bay Area teams San Francisco Giants and the Oakland Athletics, it is sometimes referred to as the "World Series earthquake", with the championship games of the year being referred to as the "Earthquake Series". [80] Amtrak intercity rail service into Oakland from the California Zephyr continued, but the Coast Starlight was temporarily suspended north of Salinas because of damage to the Southern Pacific's Coast Line. When was the last time this released energy? [56], In Santa Cruz, the Pacific Garden Mall was severely damaged, with falling debris killing three people, half of the six earthquake deaths in Santa Cruz and Monterey Counties. NBC Sports commentators Bob Costas and Jimmy Cefalo discussed the effect the temblor would have on the 1989 World Series. 1)The 1989 Loma Prieta Earthquake Can you feel an earthquake if you're in a cave? Earthquake It was even unclear if the As-Giants Bay Bridge Series would be able to resume at the time. It is a rough estimate that thousands of people may have otherwise been on the Cypress Structure during the 5:00pm rush-hour, as the structure was said to have carried 195,000 vehicles a day.[101]. Magnitude 3 For the latter event, peak ground accelerations range from 0.13 gravity to 0.81 gravity, sufficiently high to be of concern for liquefaction. Just as there are safer and less safe places to be on the surface of the earth during an earthquake, there are also various characteristics inside caves that make some cave locations safer or less safe than others. An official website of the United States government. [13], In early 1988, the Working Group for California Earthquake Probabilities (WGCEP) made several statements regarding their forecasts for the 225mi (360km) northern San Andreas Fault segment, the 56mi (90km) San Francisco Peninsula segment, and a 18.822mi (3035km) portion of that segment which was referred to as the southern Santa Cruz Mountains segment. Why was nothing done about the prediction? What did they do to the San Francisco city hall? [58] Police arrested those who refused to stop searching. Because of this history and the proximity of Evansville to the Wabash Valley and New Madrid seismic zones, there is concern among nearby communities about hazards from earthquakes. Rather, the resulting transpression force pushes up the local terrain and helps explain why these are the highest peaks in the Santa Cruz Mountains.[6]. Private donations poured into aid relief efforts and on October 26, President George H. W. Bush signed a $1.1 billion ($2.4 billion today) earthquake relief package for California. [42] A Goodyear Blimp had already been overhead to cover the baseball game, and ABC used it to capture images of damage to the Bay Bridge and other locations. Summary of 1811-1812 New Madrid Earthquakes 3 small earthquakes struck near Antioch Sunday afternoon, USGS $E}kyhyRm333: }=#ve At more than 44 miles (70km) distant, the San Francisco Bay Area recorded peak horizontal accelerations that were as high as 0.26 g, and close to the epicenter they peaked at more than 0.6 g. In a general way, the location of aftershocks of the event delineated the extent of the faulting, which (according to seismologist Bruce Bolt) extended about 24 miles (40km) in length. 6 of 239 7 of 239 In this photo taken Oct. 17, 1989, a pick up truck sits on the Cypress freeway in Oakland, Calif., after it collapsed during the Loma Prieta earthquake. Because of its proximity to the San Francisco Bay Area, the earthquake The 1989 Loma Prieta Earthquake What percentage of Watsonville downtown was damaged? Pacific Rim, bRise of magma from hotspots, such as those that formed the In 1989, the Loma Prieta earthquake severely damaged the Bay Bridge. The shock was centered in The Forest of Nisene Marks State Park in Santa Cruz County, approximately 10 mi (16 km) northeast of Santa Cruz on a section of the San Andreas Fault System and was named for the nearby Loma Prieta Peak in the Santa Cruz Mountains. The network put up a green ABC Sports World Series technical difficulties telop graphic while it scrambled to repair the video feed (the broadcast cameras and mics were powered by the local power supply), but audio from the stadium was restored after a few seconds via a telephone link: Al Michaels: Well, heh, I don't know if we're on the air We are in commercial, I guess. 0000000953 00000 n How long did the Santa Cruz County Shelter remain open? The 1989 Loma Prieta Earthquake - California Department 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. It was the strongest earthquake to hit the area since the San Francisco earthquake of 1906. Groundwater levels in wells can oscillate up and down when seismic waves pass. Liquefaction probability curves that predict the probability of surface manifestations of earthquake-induced liquefaction are developed for 14 different types of surficial geologic units. Earthquakes currently cannot be predicted, but scientists can estimate how strongly the grou. [50], At the intersection of Beach and Divisadero Streets in San Francisco, a natural gas main rupture caused a major structure fire. [72] That same day, survivor Buck Helm was freed from the wreckage, having spent 90 hours trapped in his car. From the Archives: ABC7's Peabody Award winning coverage of 1989 Loma Prieta Earthquake; While the teams' stadiums had suffered only minor damage, it took several days for power and transmission links at Candlestick Park to be repaired. Preliminary Reconnaissance Report Earthquake Engineering Research Institute", "After The Fall: The earthquake shattered the Bay Area, but the cities hardest hit are now mostly rebuilt and the scars are hidden deep below the surface San Francisco Chronicle", "Photographs of the aftermath of the Loma Prieta Earthquake from the UC Santa Cruz Library's Digital Collections", "25 Years After Loma Prieta, Earthquake Science Is Transformed LiveScience", "You're Looking at One for the Ages Here", Ladies and Gentlemen, the Bronx Is Burning, 1978 American League East tie-breaker game, 1980 National League West tie-breaker game, 1995 American League West tie-breaker game, Kirby Puckett's 1991 World Series home run, "I Left My Heart in San Francisco" (Tony Bennett song), https://en.wikipedia.org/w/index.php?title=1989_Loma_Prieta_earthquake&oldid=1152555700, 1989 natural disasters in the United States, Articles with unsourced statements from February 2017, Articles needing additional references from October 2017, All articles needing additional references, Creative Commons Attribution-ShareAlike License 3.0, This page was last edited on 30 April 2023, at 23:21.

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