Historical tsunamis · Dec 10, 1964, 3:11 PM UTC
1964 NW. Honshu Island tsunami
Japan
The tsunami of Dec 10, 1964, 3:11 PM UTC originated near NW. Honshu Island (Japan).
Key facts
- Date
- Dec 10, 1964, 3:11 PM UTC
- Cause
- Earthquake
- Magnitude
- M6.3
- Depth
- 40 km
- Maximum documented water height
- 0.10 m
- Observation records
- 3
- Countries affected
- 1
It was triggered by a magnitude 6.3 earthquake at a depth of 40 km.
The highest documented water height was 0.10 m.
3 observation sites in 1 countries are recorded.
Map of observation sites
3Each 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 | 3 | 0.05 m Fukura | — | — |
Highest documented water heights
3 / 3Individual 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 |
|---|---|---|---|
| Fukura · Hyogo | 0.05 m | 170 km | Japan |
| Iwasaki · Aomori | 0.05 m | 89 km | Japan |
| Fuka'ura · Aomori | 0.01 m | 91 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.