Oakland, California Oakland to consistently be listed as one of America's most crime-ridden cities. In 1980 Oakland's black population reached its 20th-century peak at approximately 47% of the overall city population. The 6.9 Loma Prieta earthquake occurred on October 17, 1989. The rupture was related to the San Andreas fault system and affected the entire San Francisco Bay Area with a maximum Mercalli intensity of IX ("Violent"). Many structures in Oakland were badly damaged including the double-decker portion of Interstate 880 that collapsed. The eastern span of the San Francisco–Oakland Bay Bridge also sustained damage and was closed to traffic for one
Emergency management in American universities earthquakes. After the Loma Prieta earthquake Stanford implemented an expensive capital improvement plan to retrofit and renovate older buildings for new, up-to-date uses. On January 17, 1994 California State University at Northridge was also devastated after the Northridge earthquake. The epicenter of the destructive earthquake was only two miles away resulting in the campus suffering heavy damage to many buildings and the collapse of a parking structure. The earthquake caused more than $400 million in damages, which at the time was the largest amount of damage done to an American University. There are several types of flooding that can occur