Tsunamis in 1838

May 7, 1838 Tsunami: Central Chile

May 7, 1838 · 0.8 m · Questionable tsunami

A tsunami caused by an earthquake began at Central Chile on May 7, 1838. The water rose as high as 0.8 meters. Its effects were recorded at 1 place.

Where the waves reached

The source (white) and every runup with a place, colored by the water height recorded there. A ring is a runup NCEI marks doubtful.

  • 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
May 7, 1838
Source
Central Chile
Cause
Earthquake
Earthquake
The earthquake
Maximum water height
0.8 m (2.6 ft)
Runups recorded
1
Waters
Ocean
How certain
Questionable tsunami
Source location
36.700° S, 73.100° 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.

May 7, 1838, afternoon, Concepcion Bay, validity possible. At Fort Galvez two rather strong shocks. They were also felt at Talcahuano and Concepcion. The sea at the fort quietly rose 0.8 m. (reference #415)

May 7, 1838, 36.7 S, 73.1 W, runup height 0.7 m. (reference #552)

Every runup

Nearest the source first. Heights are above sea level at the time; a tide gauge reads half the wave’s full height.

WhereCountryKm from sourceWater height, mInland, mMeasured byFirst wave, UTCDeaths
Fort GalvezChile0.8Eyewitness observation of water height

More

Every tsunami in 1838The 1800sTsunamis 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 710.