the 1989 loma prieta earthquake quizlet
Each event's aftershock sequence and effect on stress drop was closely examined, and their study indicated that the shocks affected the mainshock's rupture process. Loma Prieta (from Spanish loma -hill, prieta -dark) is 3,790 feet (1,160m) high and is the highest peak in the Santa Cruz Mountains in Northern California.[3]. San Jose International Airport,[77] Oakland International Airport and San Francisco International Airport all opened the next morning. Cut the building in half an floated it on 530 Base isolators. The area includes the communities of San Jose, Campbell, Cupertino, Los Altos, Los Gatos Milpitas, Mountain View, Palo Alto, Santa Clara, Saratoga, and Sunnyvale. Earthquake This Fact Sheet describes post-earthquake products and tools provided by the Advanced National Seismic System (ANSS) through the U.S. Geological Survey Earthquake Hazards Program. How does an earthquake affect groundwater levels and water quality in wells? 20km How deep was the focus? KNBR began using an emergency generator, hooking up the signal from a command center right after their nearby studio was severely shaken during the quake, when most of the KNBR staff were at Candlestick for the World Series. The thirty year probability for one or more M7 earthquakes in the study area was given as 50%, but because of a lack of information and low confidence, a 30% probability was assigned to the Southern Santa Cruz Mountains segment. How old is Golden Gate Bridge? A lock () or https:// means youve safely connected to the .gov website. Jim Berkland Here is a brief list. [59] The civilians who were helpful initially, were soon viewed by police and fire officials as a hindrance to operations, with frantic coworkers and friends of a coffee house employee thought to be trapped under the rubble continuing their efforts in the dark. Earthquakes currently cannot be predicted, but scientists can estimate how strongly the grou. was felt extensively over the area: This earthquake has been extremely well-studied and numerous LOMA PRIETA EARTHQUAKE The 1989 Loma Prieta event originated on an undiscovered oblique-slip reverse fault that is located adjacent to the San Andreas Fault. 0000001805 00000 n There were also a total of 63 deaths and 3,757 injuries mainly occurring as transportation routes were destroyed, including the San Francisco-Oakland Bay Bridge and a populated freeway.