July 6, 1905 Tsunami: Off Fukushima, Japan
A tsunami caused by a magnitude 7 earthquake began at Off Fukushima, Japan on July 6, 1905 at 16:21:00 UTC. Its effects were recorded at 1 place. It killed 57 people.
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
- July 6, 1905, 16:21:00 UTC
- Source
- Off Fukushima, Japan
- Cause
- Earthquake
- Earthquake
- Magnitude 7, 33 km deep
- Runups recorded
- 1
- Tsunami magnitude (Iida)
- -1
- Waters
- Ocean
- How certain
- Probable tsunami
- Source location
- 37.400° N, 142.600° E
The toll
- Deaths
- 57
Where the literature gives no number, NCEI records a description on a scale of 1 to 4, printed here in its words. Damage is in millions of US dollars of the year of the event, not adjusted for inflation.
What the record says
NCEI’s account, from the sources it cites.
Violent waves advanced over the beach of Nagasakiura near Choshi and 6 boats among 8 turned over, and 41 deaths, 16 unknown, out of 148 persons. (reference #150)
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 |
|---|---|---|---|---|---|---|---|
| Nagasakiura | Japan | 242 | Eyewitness observation of water height | 57 |
More
Every tsunami in 1905The 1900sTsunamis of JapanThe 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 1324.