Tsunamis in 1840
Every tsunami NOAA records in 1840.
1840 on the map
At the source, colored by the highest water recorded.
- Under 1 m
- 1 to 3 m
- 3 to 10 m
- 10 to 30 m
- 30 m and more
- Height not recorded
Every event
- 1840, Hawaii, United States
- January 4, 1840, Java, Indonesia
- January 16, 1840, S. California, United States
- January 28, 1840, Central Peru
- February 14, 1840, N. Moluccas Islands, Indonesia
- March 22, 1840, Philippine Sea, Philippines
- July 28, 1840, Whitianga, New Zealand
- August 1840, East Cape, New Zealand
- November 11, 1840, Philadelphia, Pennsylvania, United States
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.