Historical tsunamis · Oct 28, 1707, 5:00 AM UTC
1707 Nankaido tsunami
Japan
The tsunami of Oct 28, 1707, 5:00 AM UTC originated near Nankaido (Japan).
Key facts
- Date
- Oct 28, 1707, 5:00 AM UTC
- Cause
- Earthquake
- Magnitude
- M8.4
- Maximum documented water height
- 25.7 m
- Deaths
- 5,000
- Houses destroyed
- 77,000
- Damage
- extreme (over US$ 25 million)
- Observation records
- 29
- Countries affected
- 2
It was triggered by a magnitude 8.4 earthquake.
The highest documented water height was 25.7 m (Kure, Japan).
29 observation sites in 2 countries are recorded.
The database records 5,000 deaths.
Houses destroyed: 77,000.
Damage is estimated at extreme (over US$ 25 million).
Map of observation sites
29Each dot is a documented observation site; colour and size show the observed water height. The triangle marks the source.
Observations by country
| Country | Observation records | Maximum documented water height | Deaths | Earliest arrival |
|---|---|---|---|---|
| Japan | 27 | 25.7 m Kure | 2,669 | — |
 China | 2 | — | — | — |
Highest documented water heights
15 / 29Individual documented observations for this event. Heights come from different measurement types and sources; not every location has a measured height.
| Location / station | Observed height | Distance from source | Country |
|---|---|---|---|
| Kure · Kochi | 25.70 m | 145 km | Japan |
| Tanezaki · Kochi | 24.00 m | 120 km | Japan |
| Tosa · Kochi | 20.00 m | 131 km | Japan |
| Toba · Mie | 11.50 m | 235 km | Japan |
| Murotomisaki · Kochi | 6.50 m | 60 km | Japan |
| Sagara · Shizuoka | 5.50 m | 350 km | Japan |
| Shimoda · Shizuoka | 3.60 m | 417 km | Japan |
| Aichi and Mie · Aichi | — | 302 km | Japan |
| Akaoka (Konan) · Kochi | — | 110 km | Japan |
| Asakawa · Tokushima | — | 61 km | Japan |
| Ehime-Misaki · Ehime | — | 207 km | Japan |
| Hachijo Island · Tokyo | — | 464 km | Japan |
| Izu Peninsula, Honshu · Shizuoka | — | 427 km | Japan |
| Kiki · Tokushima | — | 66 km | Japan |
| Kochi · Kochi | — | 123 km | Japan |
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.