World Map › Major Earthquakes Since 1900 › 1983
Historic Earthquake
1983 Sea of Japan Earthquake
26 May 1983 · Honshu, Akita · Japan
On 26 May 1983 at 02:59 UTC, a magnitude 7.7 earthquake struck Japan (Honshu, Akita), at a depth of 24 km. It occurred on the Okhotsk Plate, 46 km from its boundary with the Amur Plate (collision zone). It killed at least 104 people (including tsunami victims) and injured 324.
- Date
- 26 May 1983
- Time
- 02:59 UTC
- Magnitude
- 7.7
- Depth
- 24 km
- Maximum Intensity
- VIII (Mercalli)
- Deaths
- 104
- Injuries
- 324
- Estimated Damage
- 800 million US dollars
- Tsunami
- See the tsunami (14.9 m wave)
- Plate
- Okhotsk Plate
- Country
- Japan
- Nearest Volcano
- Megata (78 km)
Nearby Major Earthquakes
Other major earthquakes recorded within 300 km.
- 20252025 Aomori Earthquake · M 7.6
- 19931993 Okushiri Earthquake · M 7.7231 deaths
- 19641964 Niigata Earthquake · M 7.636 deaths
- 19391939 Oga Earthquake · M 7.027 deaths
- 1931Near E Coast of Honshu · M 7.7
- 19141914 Akita-Senboku Earthquake · M 7.294 deaths
- 19011901 Aomori-ken Toho-oki Earthquake · M 8.218 deaths
- 19011901 Aomori-ken Toho-oki Earthquake · M 7.9
Sources: NOAA National Centers for Environmental Information, Global Significant Earthquake Database (doi:10.7289/V5TD9V7K) · Wikidata · Bird (2003), PB2002 · Natural Earth