Jim Berkland County Geologist for Santa Clara County from 1973 until he retired in 1994. Berkland's predictions have been either self-published in his newsleter or website, or announced in various interviews or speaking engagements. His notoriety arose from an interview published in the Gilroy Dispatch on October 13, 1989, where he predicted that an earthquake with a magnitude between 3.5 and 6.0 would occur in the San Francisco Bay Area between October 14 and October 21. The 6.9-magnitude Loma Prieta earthquake occurred on October 17, just four days later. Berkland claims that government officials told him not to make any more predictions,
1989 Loma Prieta earthquake Old Town district of Salinas, and some were later demolished. The San Francisco–Oakland Bay Bridge suffered severe damage, as a section of the upper deck on the eastern cantilever side fell onto the deck below. The quake caused the Oakland side of the bridge to shift to the east, and caused the bolts of one section to shear off, sending the section of roadbed crashing down like a trapdoor. Traffic on both decks came to a halt, blocked by the section of roadbed. Police began unsnarling the traffic jam, telling drivers to turn their cars around and drive back the