October 6, 1903 Tsunami: Hawaii, United States
A tsunami of meteorological origin began at Hawaii, United States on October 6, 1903 at 06:30 UTC. 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
The tsunami
- Date
- October 6, 1903, 06:30 UTC
- Source
- Hawaii, United States
- Cause
- Meteorological
- Runups recorded
- 1
- Waters
- Ocean
- How certain
- Erroneous entry
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.
As the English Ship Ormsery approached the western shore of Hawaii Island at 8:00 p.m., crewmen noticed whirling currents and "the sea to appear to churn as if might springs were acting under the water surface". The ship felt a shock like a tidal wave coming from the shore and was turned with the stern forward. The agitation continued until at least 6:00 a.m. on the 6th. The next day on October 6, the Mauna Loa volcano ejected a column of smoke and possibly a lava flow. The cause was probably a series of eddies generated in the wake of the Island of Hawaii by prevailing eastern currents. There are reports of choppy seas in the area at least through October 11.
The English ship "Ormsri" approaching the western shore of Hawaii Island noticed the temperature rose markedly. The ship felt a shock like a tidal wave coming from the shore and was turned with the stern forward. On October 6, the Mauna Loa volcano ejected a column of smoke; lava possibly issued. [As is correctly noted in the compendia compiled at Honolulu, this was apparently not a tsunami but a seaquake or convection currents] (Reference #415).
Every runup
Nearest the source first. Heights are above sea level at the time; a tide gauge reads half the wave’s full height.
| Where | Country | Km from source | Water height, m | Inland, m | Measured by | First wave, UTC | Deaths |
|---|---|---|---|---|---|---|---|
| Hawaii Island, HI, HI | United States | Eyewitness observation of water height |
More
Every tsunami in 1903The 1900sTsunamis of United StatesThis 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 1301.