September 13, 1791 Earthquake: Osaka Bay, Japan

Date

September 13, 1791

Place

Osaka Bay, Japan

Magnitude

6.5 (Ms)

Tsunami

Yes: the tsunami it caused

Epicenter

34.500° N, 135.400° E

Country

Japan

Deaths

Some (about 51 to 100)

Damage

Limited (under about $1 million)

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.

• January 18, 1586, Ise Bay, JapanM8.2 · 8,000 deaths · 10,000 houses destroyed · 139 km
• October 27, 1891, Mino-Owari, JapanM8.4 · 7,273 deaths · 142,177 houses destroyed · 183 km
• January 16, 1995, Kobe, Awaji-Shima, Nishinomiya, SW Honshu, JapanM6.9 · 6,434 deaths · $100 billion · 186,175 houses destroyed · 32 km
• October 28, 1707, Nankaido, JapanM8.4 · 5,000 deaths · 77,000 houses destroyed · 155 km
• February 3, 1605, Nankaido, JapanM7.9 · 5,000 deaths · 400 houses destroyed · 173 km
• March 7, 1927, SW, Honshu, JapanM7.3 · 3,022 deaths · $40 million · 15,594 houses destroyed · 125 km
• December 24, 1854, Nankaido, JapanM8.4 · 3,000 deaths · 20,000 houses destroyed · 160 km
• January 12, 1945, S, Honshu, JapanM7.1 · 2,306 deaths · 7,221 houses destroyed · 166 km
• September 10, 1943, S, Honshu, JapanM7.4 · 1,400 deaths · 7,739 houses destroyed · 163 km
• December 20, 1946, S Coast, Honshu, JapanM8.3 · 1,362 deaths · 11,661 houses destroyed · 160 km
• July 9, 1854, Iga, Ise, Yamato, Japan1,352 deaths · 5,000 houses destroyed · 78 km
• December 7, 1944, Off Southeast Coast Kii Peninsula, JapanM8.1 · 1,223 deaths · 29,205 houses destroyed · 166 km
• December 20, 1711, Seionaikai, JapanM6.7 · 1,000 deaths · 1,713 houses destroyed · 130 km
• August 3, 1361, Nankaido, JapanM8.4 · 660 deaths · 1,700 houses destroyed · 171 km
• June 16, 1662, Yamasiro, Japan600 deaths · 124 km

Significant earthquakes of 1791The 1700sRecent 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 2026-09-24. NCEI earthquake 5931.