Historical tsunamis · Sep 25, 1810
1810 NW. Honshu Island tsunami
Japan
The tsunami of Sep 25, 1810 originated near NW. Honshu Island (Japan).
Key facts
- Date
- Sep 25, 1810
- Cause
- Earthquake
- Magnitude
- M6.6
- Maximum documented water height
- 1.00 m
- Deaths
- 57
- Houses destroyed
- 1,084
- Damage
- severe (about US$ 5–25 million)
- Observation records
- 1
- Countries affected
- 1
It was triggered by a magnitude 6.6 earthquake.
The highest documented water height was 1.00 m (Oga, Japan).
1 observation sites in 1 countries are recorded.
The database records 57 deaths.
Houses destroyed: 1,084.
Damage is estimated at severe (about US$ 5–25 million).
Map of observation sites
1Each 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 | 1 | 1.00 m Oga | — | — |
Highest documented water heights
1 / 1Individual 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 |
|---|---|---|---|
| Oga · Akita | 1.00 m | 0 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.