Historical tsunamis · Jan 12, 1945, 6:38 PM UTC
1945 Tokaido tsunami
Japan
The tsunami of Jan 12, 1945, 6:38 PM UTC originated near Tokaido (Japan).
Key facts
- Date
- Jan 12, 1945, 6:38 PM UTC
- Cause
- Earthquake
- Magnitude
- M7.1
- Depth
- 33 km
- Maximum documented water height
- 1.00 m
- Deaths
- 2,306
- Injuries
- 896
- Houses destroyed
- 7,221
- Damage
- extreme (over US$ 25 million)
- Observation records
- 7
- Countries affected
- 1
It was triggered by a magnitude 7.1 earthquake at a depth of 33 km.
The highest documented water height was 1.00 m (Gamagori, Japan).
7 observation sites in 1 countries are recorded.
The database records 2,306 deaths.
Houses destroyed: 7,221.
Damage is estimated at extreme (over US$ 25 million).
Map of observation sites
7Each 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 | 7 | 1.00 m Gamagori | — | — |
Highest documented water heights
7 / 7Individual 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 |
|---|---|---|---|
| Gamagori · Aichi | 1.00 m | 25 km | Japan |
| Sengen · Aichi | 0.31 m | 16 km | Japan |
| Kataharachonishiura · Aichi | 0.25 m | 9 km | Japan |
| Osaki · Aichi | 0.25 m | 14 km | Japan |
| Morozaki · Aichi | 0.20 m | 20 km | Japan |
| Funamachi · Aichi | 0.17 m | 16 km | Japan |
| Taketoyo · Aichi | 0.05 m | 30 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.