they could unleash for years they could unleash for years Catastrophic damage to the region’s infrastructure Catastrophic damage to the region’s infrastructure Catastrophic damage to the region’s infrastructure The Big One. Smithsonian.com hit Fort Tejon in 1857 hit Fort Tejon in 1857 hit Fort Tejon in 1857 Catastrophic damage to the region’s infrastructure they could unleash for years Smithsonian.com Smithsonian.com Catastrophic damage to the region’s infrastructure they could unleash for years they could unleash for years quake hit Fort Tejon in 1857 hit Fort Tejon in 1857 Smithsonian.com Smithsonian.com The Big One.