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On October 17, 1989, at 5:04 p.m. local time, the Loma Prieta earthquake occurred at the Central Coast of California. 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.
By RYAN GORMAN A massive earthquake that struck the Bay Area on October 17, 1989 forever changed the region, and potentially altered the course of baseball history. The 6.9-magnitude Loma Prieta ...
Probabilistic seismic hazard map. The earliest known earthquake in the U.S. state of California was documented in 1769 by the Spanish explorers and Catholic missionaries of the Portolá expedition as they traveled northward from San Diego along the Santa Ana River near the present site of Los Angeles. Ship captains and other explorers also ...
That earthquake changed Northern California forever — causing heavy damage to downtown Santa Cruz, parts of San Francisco, and causing the collapse of sections of Interstate 880 in Oakland and ...
The MacArthur Maze [1] [2] [3] (or more simply the Maze; formally, the East Bay Distribution Structure [4]) is a large freeway interchange in Oakland, California.It splits traffic coming off the east end of the San Francisco–Oakland Bay Bridge into three freeways: the Eastshore (I-80/I-580), MacArthur (I-580) and Nimitz (I-880).
In 2012, USGS scientists said the fault was due for another magnitude 6.8 to 7.0 earthquake, with the California Geological Survey concurring, stating they believe there is a 31 percent chance of a magnitude-6.7 earthquake or greater along the Rodgers Creek-Hayward Fault in the next 30 years. [22]
The event was then the largest in the San Francisco Bay Area since the 1989 Loma Prieta earthquake, which measured 6.9 on the moment magnitude scale, but was later surpassed by the 2014 South Napa earthquake. Ground shaking from the Alum Rock quake reached San Francisco and Oakland and other points further north.
The 2003 San Simeon earthquake struck at 11:15 PST (19:15 UTC) on December 22 on the Central Coast of California, about 7 miles (11 km) northeast of San Simeon.Probably centered in the Oceanic fault zone within the Santa Lucia Mountains, it was caused by thrust faulting and the rupture propagated southeast from the hypocenter for 12 miles (19 km).