Historical tsunamis · Jul 24, 1964, 8:12 AM UTC
1964 S. Kuril Islands tsunami
Russia
The tsunami of Jul 24, 1964, 8:12 AM UTC originated near S. Kuril Islands (Russia).
Key facts
- Date
- Jul 24, 1964, 8:12 AM UTC
- Cause
- Earthquake
- Magnitude
- M6.8
- Depth
- 15 km
- Maximum documented water height
- 0.08 m
- Observation records
- 5
- Countries affected
- 2
It was triggered by a magnitude 6.8 earthquake at a depth of 15 km.
The highest documented water height was 0.08 m (Kushiro, Japan).
5 observation sites in 2 countries are recorded.
Map of observation sites
5Each 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 | 4 | 0.07 m Kushiro | — | — |
| Russia | 1 | 0.07 m Matua, Kurilskiye | — | — |
Highest documented water heights
5 / 5Individual 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 |
|---|---|---|---|
| Kushiro · Hokkaido | 0.07 m | 880 km | Japan |
| Matua, Kurilskiye · Kuril Islands | 0.07 m | 111 km | Russia |
| Hanasaki · Hokkaido | 0.06 m | 782 km | Japan |
| Hiroo · Hokkaido | 0.04 m | 995 km | Japan |
| Tokachiko · Hokkaido | 0.04 m | 993 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.