Tsunamis in 1842

November 1, 1842 Tsunami: St. Lawrence, Canada

November 1, 1842 · Questionable tsunami

A tsunami caused by an earthquake began at St. Lawrence, Canada on November 1, 1842.

Where the waves reached

The source of the tsunami. No runup with a place is recorded for it.

  • Under 1 m
  • 1 to 3 m
  • 3 to 10 m
  • 10 to 30 m
  • 30 m and more
  • Height not recorded

Tsunami warnings in force

The tsunami

Date
November 1, 1842
Source
St. Lawrence, Canada
Cause
Earthquake
Earthquake
The earthquake
Runups recorded
0
Waters
Ocean
How certain
Questionable tsunami

The toll

The record gives no deaths, injuries or damage for this tsunami.

What the record says

NCEI’s account, from the sources it cites.

November 1, 1842, between 8 and 9 a.m. Montreal, La Cine, Trois-Rivieres, and other places in Canada. Terrible shocks. The waters of the St Lawrence were violently agitated.(reference #1879)

More

Every tsunami in 1842The 1800sTsunamis of CanadaThe earthquakeThis day in weather historyAlerts in force

Sources

Tsunami events and runups 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 tsunami event 4313.