Historical tsunamis · Dec 7, 1833
1833 NW. Honshu Island tsunami
Japan
The tsunami of Dec 7, 1833 originated near NW. Honshu Island (Japan).
Key facts
- Date
- Dec 7, 1833
- Cause
- Earthquake
- Magnitude
- M7.4
- Maximum documented water height
- 9.00 m
- Deaths
- 85
- Houses destroyed
- 1,140
- Damage
- severe (about US$ 5–25 million)
- Observation records
- 23
- Countries affected
- 1
It was triggered by a magnitude 7.4 earthquake.
The highest documented water height was 9.00 m (Kamo, Japan).
23 observation sites in 1 countries are recorded.
The database records 85 deaths.
Houses destroyed: 1,140.
Damage is estimated at severe (about US$ 5–25 million).
Map of observation sites
23Each 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 | 23 | 9.00 m Kamo | 43 | — |
Highest documented water heights
15 / 23Individual 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 |
|---|---|---|---|
| Kamo · Yamagata | 9.00 m | 53 km | Japan |
| Matsumae · Hokkaido | 1.20 m | 291 km | Japan |
| Aburato · Yamagata | — | 52 km | Japan |
| Aomori Prefecture · Aomori | — | 243 km | Japan |
| Hakodate · Hokkaido | — | 347 km | Japan |
| Imaizumi · Iwate | — | 214 km | Japan |
| Kanazawa · Ishikawa | — | 339 km | Japan |
| Kisakata · Akita | — | 74 km | Japan |
| Kobatao · Yamagata | — | 49 km | Japan |
| Masaragawa, Sado Island · Niigata | — | 92 km | Japan |
| Miyazawa · Yamagata | — | 54 km | Japan |
| Nezugaseki · Yamagata | — | 51 km | Japan |
| Niigata Coast · Niigata | — | 106 km | Japan |
| Ogi, Sado Island · Niigata | — | 144 km | Japan |
| Oiwagawa · Yamagata | — | 49 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.