April 1, 1726 Earthquake: Katsuyama, Japan

Date

April 1, 1726

Place

Katsuyama, Japan

Magnitude

6.6 (Ms)

Tsunami

Yes: the tsunami it caused

Epicenter

36.300° N, 136.000° E

Country

Japan

Deaths

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

Damage

Moderate (about $1 to $5 million) with its tsunami and other effects

Houses destroyed

Some (about 51 to 100) 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.

• May 8, 1847, Zenkoji, Nagano, JapanM7.4 · 12,000 deaths · 34,000 houses destroyed · 195 km
• January 18, 1586, Ise Bay, JapanM8.2 · 8,000 deaths · 10,000 houses destroyed · 162 km
• October 27, 1891, Mino-Owari, JapanM8.4 · 7,273 deaths · 142,177 houses destroyed · 127 km
• June 28, 1948, Fukui, JapanM7.3 · 5,131 deaths · $1 billion · 63,000 houses destroyed · 22 km
• March 7, 1927, SW, Honshu, JapanM7.3 · 3,022 deaths · $40 million · 15,594 houses destroyed · 112 km
• February 1, 1666, Takata, Japan1,500 deaths · 195 km
• July 9, 1854, Iga, Ise, Yamato, Japan1,352 deaths · 5,000 houses destroyed · 145 km
• June 16, 1662, Yamasiro, Japan600 deaths · 89 km
• January 1, 2024, Ishikawa, Honshu, JapanM7.5 · 549 deaths · $18 billion · 29,966 houses destroyed · 174 km
• May 23, 1925, Tajima, Honshu, JapanM6.8 · 395 deaths · 3,333 houses destroyed · 128 km
• August 19, 1830, Kyoto, Japan280 deaths · 145 km
• April 9, 1858, N, Hida, Japan203 deaths · 709 houses destroyed · 139 km
• April 28, 1714, Oomati, Japan56 deaths · 300 houses destroyed · 180 km
• August 14, 1909, Oomi, JapanM6.9 · 41 deaths · 976 houses destroyed · 104 km
• September 13, 1984, Mt Ontake, Central, Honshu, JapanM6.1 · 29 deaths · $43 million · 145 km

Significant earthquakes of 1726The 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 5997.