Significant earthquakes of 1865

March 7, 1865 Earthquake: E Central, Sonoma County, California, United States

March 7, 1865

An earthquake struck E Central, Sonoma County, California, United States on March 7, 1865 at 14:00 UTC.

Map

Where it struck, with the other significant earthquakes within 200 km. Circles are sized and colored by magnitude; select one for its page.

The earthquake

Date
March 7, 1865
Time
14:00 UTC
Place
E Central, Sonoma County, California, United States
Intensity
8 on the Modified Mercalli scale
Tsunami
None recorded
Epicenter
38.500° N, 122.500° W

The toll

Damage
Moderate (about $1 to $5 million)

Where the literature gives no number, NCEI records a description on a scale of 1 to 4, printed here in its words. Damage is in millions of US dollars of the year of the event, not adjusted for inflation.

Other significant earthquakes nearby

Within 200 km, the deadliest first.

More

Significant earthquakes of 1865The 1800sRecent earthquakes near hereThis day in weather history

Sources

Significant earthquakes from NOAA’s National Centers for Environmental Information, Global Historical Hazard Database, cited as NCEI/WDS, doi:10.7289/V5PN93H7. Public domain. Read 2026-09-24. NCEI earthquake 2093.