Modern office towers were largely unaffected, indicating that new…, …A’s—it was noteworthy for a 7.1-magnitude earthquake that struck the Bay Area shortly before game three of the series was scheduled to begin. Other effects included sand volcanoes, landslides and ground ruptures. Photograph Collection: "Bay Area Quake – Landmarks Totter – Preservationists Fear Quake-Damaged Historic Buildings Will Be Torn Down", "The California Quake: The Bay Bridge; Damage to Link Across Bay Is More Serious Than Thought", "On the Cypress Freeway, Strangers Joined Together for a Snap in Time", "People Moving Gingerly As They Pick Up Pieces", "Man Who Lived 90 Hours In Quake Rubble Is Dead", "Mandela Parkway: Building Pride in West Oakland", "Search For Bodies to Take Days – State Puts Toll at 273, Then Says It Is Uncertain", "Municipal Railway Earthquake Notebook Tuesday, October 17, 1989, 5:04 PM", "Earthquake leaves behind urban travel nightmares", San Francisco-Oakland bay bridge opens to traffic after years of delays | World news, National Association of Railroad Passengers, "Bay Area / Revived push for water-transit network / Emergency system seen as necessary after a big quake", KTVU comes back on-air after 1989 earthquake, "The Bay Area Quake : Pressure Points : What Worked, What Didn't, What Didn't, And Why : Nimitz Freeway : Collapse of Deck Puts Spotlight on Aging Roads", "FULL EPISODE: Loma Prieta Earthquake, 30 Years Later", "Geologic and historical factors affecting earthquake damage", "Aftershocks of the Loma Prieta earthquake and their tectonic implications", State of California, Office of Planning and Research, "Observations of multiple liquefaction events at Soda Lake, California, during the earthquake and its aftershocks", "Reflections 20 Years Later in Loma Prieta – Whole Mountain Source Book", "October 17, 1989 Loma Prieta Earthquake – United States Geological Survey", "The October 17, 1989, Loma Prieta, California, Earthquake – Selected Photograph – United States Geological Survey", "Loma Prieta Earthquake, October 17, 1989. , The Loma Prieta earthquake was named for Loma Prieta Peak in the Santa Cruz Mountains, which lies just to the east of the mainshock epicenter. The collapse of a section of the double-deck Nimitz Freeway in Oakland was the site of the largest number of casualties for the event, but the collapse of man-made structures and other related accidents contributed to casualties occurring in San Francisco, Los Altos, and Santa Cruz. The San Francisco–Oakland Bay Bridge was also damaged when a span of the top deck collapsed. 498 deaths in San Francisco; 64 deaths in Santa Rosa; 102 deaths in and near San Jose; A 1972 NOAA report suggested that 700-800 was a reasonable figure. Its effects included broken windows in Los Gatos, and other light damage in Holy City, where increased flow was observed at a water well. For such an immense catastrophe, the official death toll of the San Francisco earthquake of 1906 seemed, for many years, weirdly small — only 478, according to the Los Angeles Times. In the 1989 earthquake, the water-saturated unconsolidated mud, sand and rubble suffered liquefaction, and the earthquake's vertical shock waves rippled the ground more severely. 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. But the quake on October 17, 1989, which measured 7.1 on the Richter scale, killed more than 60 people and caused severe damage to the Marina District and to some freeways and even more devastation to surrounding areas. Aug 24, 2014 - San Francisco earthquake of 1989, 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. Typical California earthquake focal depths are 4 to 6 miles.  In the meantime, traffic was detoured through nearby Interstate 980, causing increased congestion. 498 deaths in San Francisco; 64 deaths in Santa Rosa; 102 deaths in and near San Jose; A 1972 NOAA report suggested that 700-800 was a reasonable figure. , The earthquake changed the Bay Area's automobile transportation landscape. Roughly half of the land the Cypress Viaduct was built on was filled marshland, and half was somewhat more stable alluvium. 60 members of Oakland's Public Works Agency left the nearby city yard and joined rescue efforts. The duration of a typical M6.9 shock with a comparable rupture length would have been about twice as long. San Francisco Earthquake, 1989: Death and Destruction: Sherrow, Victoria: 9780766010604: Books - Amazon.ca A powerful earthquake has rocked San Francisco killing nine people and injuring hundreds. By the time the 6.9-magnitude shaking ended at 5:04 p.m. on Oct. 17, 1989, the Loma Prieta earthquake … The initial media reports failed to take into account the game's effect on traffic and initially estimated the death toll at 300, a number that was corrected to 63 in the days after the earthquake. SAN FRANCISCO, Calif. – Saturday is a day many in the Bay Area will not forget.31 years ago today on Oct. 17, 19-89, the powerful deadly Loma Prieta earthquake hit at just after 5 in the evening. Only 63 deaths were recorded as a result of the 1989 San Francisco earthquake, but over 3,500 people were injured. Jeffrey Choi, 50, San Francisco . , While the effects of a four-year drought limited the potential of landslides, the steep terrain near the epicenter was prone to movement, and up to 4,000 landslides may have occurred during the event. , After the earthquake occurred, a group led by Antony C. Fraser-Smith of Stanford University reported that the event was preceded by disturbances in background magnetic field noise as measured by a sensor placed in Corralitos, about 4.5 miles (7 km) from the epicenter. Near Loma Prieta, the 1906 rupture was more shallow, had more strike-slip, and occurred on a fault that was near vertical. The earthquake caused 63 deaths and an estimated $6 billion in property damage. Other areas with certain soil conditions were susceptible to site amplification due to the effects of liquefaction, especially near the shore of San Francisco Bay (where its effects were severe in the Marina District) and to the west of the epicenter near rivers and other bodies of water. The 1989 Loma Prieta event originated on an undiscovered oblique-slip reverse fault that is located adjacent to the San Andreas Fault.  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. Total displacement for these shocks was relatively small (approximately 4 in (100 mm) of strike-slip and substantially less reverse-slip) and although they occurred on separate faults and well before the mainshock, a group of seismologists considered these to be foreshocks due to their location in space and time relative to the main event.  When the earthquake hit, the shaking was amplified on the former marshland, and soil liquefaction occurred. When the quake struck at approximately 5:04 PDT, sportscaster Tim McCarver was narrating taped highlights of Game 2, which had been played two days prior across the Bay Bridge in Oakland. , Since many forecasts had been presented for the region near Loma Prieta, seismologists were not taken by surprise by the October 1989 event.  The Federal Emergency Management Agency (FEMA) turned people who were homeless prior to the earthquake away from homeless shelters and provided shelter for those with homes prior to the earthquake. San Francisco Earthquake, 1989: Death and Destruction (American Disasters) by Victoria Sherrow. Broadcaster Al Michaels reflects on his experience at the World Series in 1989, when he leaned on his Bay Area background during coverage of the devastating Loma Prieta earthquake. On October 17, 1989, at 5:04 p.m. Pacific daylight time, an earthquake registering 7.1 on the Richter scale, with an epicenter in the Loma Prieta section of the San Andreas fault, occurred in northern California (Figure 1). The history of earthquake investigations in California has been largely focused on the San Andreas Fault System, due to its strong influence in the state as the boundary between the Pacific Plate and the North American Plate; it is the most studied fault on Earth.  Liquefaction also caused damage in the Watsonville area. The 1989 Loma Prieta San Francisco earthquake was the second most devastating earthquake in SF's history.  Santa Cruz beach lifeguards assisted in moving the victims. The disaster’s occurrence during a major live television broadcast meant that news of the earthquake, as well as aerial views provided by the Goodyear blimp, reached a large audience. Photos from the 1989 Loma Prieta earthquake that devastated the San Francisco bay region. Aerial view of the collapsed section of the Bay Bridge following the San Francisco–Oakland earthquake of 1989. Other damage included cracked walls and foundations and broken underground pipes. , 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.  The Ford's department store in Watsonville experienced significant damage, including a crack down the front of the building. The earthquake was triggered by a slip along the San Andreas Fault. Our editors will review what you’ve submitted and determine whether to revise the article. And lastly, the 1989 event did not occur on the San Andreas Fault. San Francisco earthquake, 1989 : death and destruction / Victoria Sherrow: title_short: San Francisco earthquake, 1989: title_sub: death and destruction: topic_facet: Disaster relief Earthquakes . San Francisco Earthquake (1989) The Event What were the impacts? Overall there were 63 deaths from this San Francisco earthquake. Police began unsnarling the traffic jam, telling drivers to turn their cars around and drive back the way they had come. The October 18, 1989 edition of NBC's Today that covered the earthquake ran until noon Eastern Time. A report of U.S. Army relief operations (Greely, 1906) recorded: . Remembering those who died on the Cypress freeway during the 1989 Loma Prieta earthquake. Oakland Airport repair costs were assessed at $30 million (equivalent to $65 million today). ", "Forecasts of the 1989 Loma Prieta, California, earthquake", "Main-shock and very early aftershock activity", "1 Dead as 5.1 Quake Jolts Bay Area : Man, 19, Leaps to Death in Panic; Damage Minor", "Near-source modeling of the Loma Prieta earthquake: Evidence for heterogeneous slip and implications for earthquake hazard", "Broadband study of the source characteristics of the earthquake", "Profile of mortality from the 1989 Loma Prieta earthquake using coroner and medical examiner reports", "Out of the Rubble. 1989: Earthquake hits San Francisco. De Loma Prieta-aardbeving van 1989 was een grote aardbeving die op 17 oktober 1989 om 17:04 lokale tijd plaatsvond in de San Francisco Bay Area, in de Amerikaanse staat Californië.Een beweging in de San Andreasbreuklijn zorgde ervoor dat de aarde er 10 à 15 seconden schudde. List of Notable and Major California Earthquakes California's Earthquake History. Damage was heavy in Santa Cruz County and less so to the south in Monterey County, but effects extended well to the north into the San Francisco Bay Area, both on the San Francisco Peninsula and across the bay in Oakland. , The quake claimed one life in Watsonville: a driver who collided with panicked horses after they escaped their collapsed corral. Though the Loma Prieta earthquake of 1989 lasted only for a duration of roughly 20 seconds, it was one of the worst earthquakes to have hit the San Francisco Bay Area in California; leaving over 63 people dead and injuring thousands more. Since the bay was only two blocks from the burning buildings, water from the bay was pumped by the fireboat Phoenix, to engines on the shore, and from there sprayed on the fire. More moderate damage resulted from the August 8, 1989, shock (intensity VII, Very strong) when chimneys were toppled in Cupertino, Los Gatos, and Redwood Estates. Death of George Floyd; ... San Francisco County, San Francisco Peninsula Coast, Northern Monterey Bay.  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.  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.  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. Plot- This is about different earth quakes that happened in San Francisco. It was the strongest earthquake to hit the area since the San Francisco earthquake of 1906.  After 78 hours, 96 percent of Muni services were back in operation, including the cable cars. The earthquake significantly damaged the transportation system of the Bay Area. Santa Cruz capitalized on fate, working together to rebuild downtown after quake", "The California Quake; NBC News Tells of Errors and Obstacles to Early Coverage of Quake", "Bay Area Television News Prepares For End Of An Era", "KTVU comes back on-air after 1989 earthquake". Because the rupture took place bilaterally, the duration of strong shaking was about half of what it would have been had it ruptured in one direction only. Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree.... A discussion of the lessons learned from the Loma Prieta (San Francisco–Oakland) earthquake of 1989. Fire Department.  In addition, there were 3,757 injuries as a result of the earthquake, 400 of which were serious. Oakland City Hall was evacuated after the earthquake until a US$80 million (equivalent to US$165 million today) seismic retrofit and hazard abatement work was completed in 1995. Sources place the death toll at between 63 to 68 people. , Immediately after the earthquake, Bay Area airports were closed so officials could conduct visual inspection and damage assessment procedures. 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 (40 km) in length. , Built in the late 1950s and opened to traffic in 1957 (as SR 17), the Cypress Street Viaduct, a stretch of Interstate 880, was a double-deck freeway section made of nonductile reinforced concrete that was constructed above and astride Cypress Street in Oakland. It took place around 5:00 p.m and lasted for 15 seconds. It lasted just 15 seconds, but left 63 people dead - most of them killed when a two-tier freeway collapsed - and there was massive damage to buildings all over the city. SAN FRANCISCO (KGO) -- On October 17, 1989, a 6.9 magnitude earthquake ripped through the Bay Area. This article was most recently revised and updated by, https://www.britannica.com/event/San-Francisco-earthquake-of-1989, San Francisco–Oakland earthquake of 1989 - Student Encyclopedia (Ages 11 and up). ),The Loma Prieta (Santa Cruz Mountains), California, Earthquake of 17 October 1989, CDMG Special Publication 104, 1990. Unlike other nearby (high gain) seismographs that were overwhelmed (driven off scale) by the large magnitude mainshock, the four accelerometers captured a useful record of the main event and more than half an hour of the early aftershock activity. 1989: San Francisco earthquake survivors On 17 October 1989, San Francisco was rocked by a powerful earthquake at just after 5pm local time. Photos from the 1989 Loma Prieta earthquake that devastated the San Francisco bay region. 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