Historical tsunamis · Sep 8, 1971, 11:48 AM UTC
1971 Tatar Strait tsunami
Russia
The tsunami of Sep 8, 1971, 11:48 AM UTC originated near Tatar Strait (Russia).
Key facts
- Date
- Sep 8, 1971, 11:48 AM UTC
- Cause
- Earthquake
- Magnitude
- M6.6
- Depth
- 6 km
- Maximum documented water height
- 0.09 m
- Observation records
- 2
- Countries affected
- 1
It was triggered by a magnitude 6.6 earthquake at a depth of 6 km.
The highest documented water height was 0.09 m (Kholmsk, Sakhalin I, Russia).
2 observation sites in 1 countries are recorded.
Map of observation sites
2Each dot is a documented observation site; colour and size show the observed water height. The triangle marks the source.
Tsunami arrival times
Documented arrival times from the NOAA/NCEI database, showing the earliest recorded location per country. Coverage is incomplete: a country without an entry was not necessarily spared.
- 0:00 hEarthquake (origin) · Sep 8, 1971, 11:48 AM UTC
- 0:24 hRussia · Nevelsk, Sakhalin · 0.04 m
2 places with a documented arrival time
Observations by country
| Country | Observation records | Maximum documented water height | Deaths | Earliest arrival |
|---|---|---|---|---|
| Russia | 2 | 0.09 m Kholmsk, Sakhalin I | — | 0:24 h |
Highest documented water heights
2 / 2Individual 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 |
|---|---|---|---|
| Kholmsk, Sakhalin I · Sakhalin | 0.09 m | 102 km | Russia |
| Nevelsk, Sakhalin · Sakhalin | 0.04 m | 65 km | Russia |
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.