A magnitude 7.9 earthquake struck the coast of Northern California at 05:12 am Pacific Standard Time on Wednesday, April 18, 1906. With a maximum Mercalli intensity of XI (Extreme), it created high-intensity shaking from Eureka on the North Coast to the Salinas Valley, an agricultural region to the south of the San Francisco Bay Area. Magnitude 7.9 (mw), 12 km deep, The 1906 San Francisco, California Earthquake — 37.75°N, 122.55°W. April 18, 1906 at 13:12 UTC. Deaths: 3,000 (Wikidata). Wiki link https://earthquake.usgs.gov/earthquakes/eventpage/official19060418131226300_12 Data: US Geological Survey (public domain).