Historical tsunamis · 704
704 Kumanonada tsunami
Japan
The tsunami of 704 originated near Kumanonada (Japan).
Key facts
- Date
- 704
- Cause
- Earthquake
- Magnitude
- M7.0
- Maximum documented water height
- —
- Observation records
- 0
It was triggered by a magnitude 7.0 earthquake.
Map of observation sites
No individual observation sites are documented for this event; the map shows the source only.
More tsunamis
Source: NOAA National Centers for Environmental Information (NCEI), Global Historical Tsunami Database. Confirmed events only. Deaths and damage are database estimates; older records are incomplete. Water heights come from different types of observation.