March 23, 1742 Tsunami: Central Chile
A tsunami caused by an earthquake began at Central Chile on March 23, 1742.
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
The tsunami
- Date
- March 23, 1742
- Source
- Central Chile
- Cause
- Earthquake
- Earthquake
- The earthquake
- Runups recorded
- 0
- Waters
- Ocean
- How certain
- Very doubtful tsunami
- Source location
- 36.800° S, 73.000° W
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.
March 23, 1742, event validity questionable. There was a strong earthquake and tsunami in Concepcion (Navarette, 1933). [Erroneous information?] (reference #415)
March 23, 1742, 36.8 S, 73 W. (reference #552)
More
Every tsunami in 1742The 1700sTsunamis of ChileThe 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 420.