World Map › Major Tsunamis Since 1900 › 1982
Historic Tsunami
1982 Japan Tsunami
21 March 1982 · Hokkaido Island · Japan
On 21 March 1982 at 02:32 UTC, a tsunami formed near Hokkaido Island, Japan. It was caused by a magnitude 6.9 earthquake. Waves reached up to 1.3 m high. It was observed at 31 locations, up to 435 km from its source. It killed at least 110 people and injured 100.
- Date
- 21 March 1982
- Time
- 02:32 UTC
- Cause
- Earthquake
- Earthquake Magnitude
- 6.9
- Highest Wave
- 1.3 m
- Observation Sites
- 31
- Furthest Reach
- 435 km
- Deaths
- 110
- Injuries
- 100
- Estimated Damage
- 1 million US dollars
- Source Country
- Japan
- Triggering Earthquake
- 1982 Urakawa Earthquake
Highest Waves
- 0.8 mUrakawa · Japan · 34 km
- 0.4 mSamani · Japan · 48 km
- 0.3 mErimo · Japan · 78 km
- 0.3 mHachinohe (Kensetsukyoku) · Japan · 195 km
- 0.3 mShoyagyoko · Japan · 79 km
- 0.3 mSeppu · Japan · 26 km
- 0.3 mHachinohe · Japan · 193 km
- 0.2 mHakodate · Japan · 144 km
- 0.2 mHigashishizunai · Japan · 17 km
- 0.2 mHoroizumi · Japan · 67 km
Other Major Tsunamis in the Region
- 2011Honshu Island, Japan · 39.3 m18,423 deaths
- 1993Sea of Japan, Japan · 32.0 m231 deaths
- 1983Noshiro, Japan · 14.9 m104 deaths
- 1968Off East Coast of Honshu Island, Japan · 6.0 m52 deaths
- 1964Nw. Honshu Island, Japan · 5.8 m36 deaths
- 1933Sanriku, Japan · 29.0 m3,022 deaths
Sources: NOAA National Centers for Environmental Information, Global Historical Tsunami Database (doi:10.7289/V5PN93H7) · Natural Earth