Today in History: Deadly earthquake strikes San Francisco
- Posted on April 18, 2026
- By Chicago Tribune
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Today in History: Deadly earthquake strikes San Francisco

On April 18, 1906, the deadliest earthquake in U.S. history struck San Francisco, followed by raging fires across the city. More than 3,000 people are believed to have been killed by the quake, which was estimated to have reached as high as…