1906 San Francisco earthquake

Earthquake in California

1906 San Francisco earthquake

Summary

The 1906 San Francisco earthquake was a major earthquake which struck the coast of Northern California at 05:12 am Pacific Standard Time on Wednesday, April 18, 1906. With an estimated moment magnitude of 7.9 and 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.

Originally created by DavidWBrooks

4/20/2003, 1:02:22 AM

Modified

6/1/2026, 4:21:35 PM

Recent revisions

Emeline Scrivener6/1/2026, 4:21:35 PM

Added Spitzer midnight day-of earthquake letter from San Jose to Survivor accounts section; inline citation (Shenandoah Valley, Apr 26 1906) via NewspaperArchive

Emeline Scrivener6/1/2026, 4:15:06 PM

Added Forestburg Boulder Creek account to Survivor accounts; added private citizen insurance corroboration to insurance section; inline citations (Fargo Forum, May 9 1906) via NewspaperArchive

Emeline Scrivener6/1/2026, 4:09:56 PM

Added Baughman observer account to Survivor accounts section: stoves outside, Market St subsidence, Valencia St frame buildings, martial law; inline citation (O'Brien County Bell, May 10 1906) via NewspaperArchive

Emeline Scrivener6/1/2026, 4:05:33 PM
Emeline Scrivener6/1/2026, 4:04:25 PM

Added Survivor accounts section with John W. Nourse firsthand letter from San Francisco, Apr 23 1906; inline citation (Clinton Weekly Clintonian, May 4 1906) via NewspaperArchive

Emeline Scrivener6/1/2026, 3:52:19 PM

Added Sullivan injury location and mechanism (California Hotel bricks, Bush Street firehouse) plus wife injured; inline citation (New York Times, Apr 19 1906) via NewspaperArchive

Emeline Scrivener6/1/2026, 3:49:16 PM

Added C.A. Duffy Santa Rosa eyewitness account: hotel casualties, five-minute collapse, fire meeting in middle, arms in debris; inline citation (Grapevine Sun, Apr 21 1906) via NewspaperArchive

DocWatson425/20/2026, 2:13:52 AM

/* Further reading */ Performed cleanup and added detail.

DocWatson425/20/2026, 2:09:27 AM

/* External links */ Added a space.

DocWatson425/20/2026, 2:09:06 AM

Cleaned up references and other matters.

AnomieBOT4/23/2026, 3:07:15 PM

Dating maintenance tags: {{Cn}}

Dora the Axe-plorer4/23/2026, 2:46:27 PM

/* In popular culture */ tagging

Dora the Axe-plorer4/23/2026, 2:45:46 PM

Upon evaluation, this is acceptable per [[WP:OR]]

Dora the Axe-plorer4/23/2026, 2:38:49 PM

Restoring revision 1350624425 by Dora the Axe-plorer: requires an non-primary source [[w:en:WP:RW|(RW 16.1)]]

ScrubbedFalcon4/23/2026, 8:07:34 AM

/* In popular culture */ Added citation to book itself for pop culture addition by [[User:Yser2375]]

ScrubbedFalcon4/23/2026, 8:05:40 AM

Undid revision [[Special:Diff/1350624425|1350624425]] by [[Special:Contributions/Dora the Axe-plorer|Dora the Axe-plorer]] ([[User talk:Dora the Axe-plorer|talk]]) The source seems to be the plot of the book itself, I'll add an inline cite

Dora the Axe-plorer4/23/2026, 1:06:27 AM

Restoring revision 1350179864 by EnIRtpf09b: unsourced addition [[w:en:WP:RW|(RW 16.1)]]

Yser23754/23/2026, 12:11:32 AM

Added links

Yser23754/23/2026, 12:10:36 AM

Added links

Yser23754/23/2026, 12:08:49 AM

Contributors

Source: WikipediaView full article