July 20, 766 Earthquake: N. Kagoshima Bay, Japan

Date

July 20, 766

Place

N. Kagoshima Bay, Japan

Magnitude

6.5

Tsunami

Yes: the tsunami it caused

Volcano

The eruption it came with

Epicenter

31.600° N, 130.700° E

Country

Japan

Region

East Asia

Deaths

Many (about 101 to 1,000) with its tsunami and other effects

Where the literature gives no number, NCEI records a description on a scale of 1 to 4, printed here in its words. Damage is in millions of US dollars of the year of the event, not adjusted for inflation.

1. #150 Iida, Kumizi (1984). Catalog of tsunamis in Japan and its neighboring countries. Aichi Institute of Technology, Yachigusa, Yakusa-cho, Toyota-shi, 470-03, Japan, 52 p.
2. #414 Soloviev, S.L., and Ch.N. Go (1974). A catalogue of tsunamis on the western shore of the Pacific Ocean [dates include 173-1968. Academy of Sciences of the USSR, Nauka Publishing House, Moscow, 439 p. [Canadian Translation of Fisheries and Aquatic Sciences no. 5077, 1984, translation available from Canada Institute for Scientific and Technical Information, National Research Council, Ottawa, Ontario, Canada K1A OS2, 447 p.]

• May 21, 1792, Kyusyu Island, JapanM6.4 · 15,030 deaths · 6,200 houses destroyed · 139 km
• June 30, 744, Shimabara, Yatsushiro, Higo, JapanM6.4 · 1,520 deaths · 470 houses destroyed · 91 km
• April 15, 2016, Kumamoto, Oita, JapanM7 · 273 deaths · $20 billion · 43,386 houses destroyed · 133 km
• October 30, 1662, Hiuganada, JapanM7.9 · 200 deaths · 2,500 houses destroyed · 124 km
• January 12, 1914, Sakurijima, JapanM7.1 · 63 deaths · $19 million · 2,268 houses destroyed · 4 km
• July 28, 2026, Kumamoto, JapanM6.8 · 38 deaths · 3,539 houses destroyed · 120 km
• December 7, 1922, Kyushu, Japan27 deaths · 128 km
• July 28, 1889, Kumamoto, JapanM6.3 · 20 deaths · 239 houses destroyed · 133 km
• August 6, 1984, Nobeoka, Kyushu, JapanM6.7 · 20 deaths · 146 km
• February 21, 1968, Kyushu, JapanM6.3 · 3 deaths · 45 km
• February 26, 1961, Miyazaki, JapanM7.3 · 2 deaths · 170 houses destroyed · 104 km
• March 18, 1987, Miyazaki, Naze, Kyushu, JapanM6.7 · 2 deaths · 118 km
• November 18, 1941, Shikoku, JapanM7.4 · 2 deaths · 27 houses destroyed · 140 km
• November 2, 1931, Kyushu, JapanM7.5 · 1 death · 14 houses destroyed · 88 km
• March 20, 1939, Seikaido, JapanM6.6 · 1 death · 1 house destroyed · 145 km

Significant earthquakes of 766The 700sRecent earthquakes near hereThis day in weather history

Significant earthquakes from NOAA’s National Centers for Environmental Information, Global Historical Hazard Database, cited as NCEI/WDS, doi:10.7289/V5PN93H7. Public domain. Read 2026-10-01. NCEI earthquake 7341.