October 9, 1257 Earthquake: Sanriku, Japan
A magnitude 7.5 earthquake struck Sanriku, Japan on October 9, 1257. It caused a tsunami.
Map
Where it struck, with the other significant earthquakes within 200 km. Circles are sized and colored by magnitude; select one for its page.
The earthquake
- Date
- October 9, 1257
- Place
- Sanriku, Japan
- Magnitude
- 7.5 (Ms)
- Tsunami
- Yes: the tsunami it caused
- Epicenter
- 39.000° N, 144.000° E
- Country
- Japan
The toll
The record gives no deaths, injuries or damage for this earthquake.
Other significant earthquakes nearby
Within 200 km, the deadliest first.
- June 15, 1896, Sanriku, Japan
- March 11, 2011, Honshu, Japan
- December 2, 1611, Sanriku, Japan
- March 2, 1933, Sanriku, Japan
- February 17, 1793, Sanriku,rikuzen,rikuchu, Japan
- December 6, 1616, Sanriku, Japan
- June 12, 1978, Sanriku, Japan
- August 23, 1856, Oshima, Japan
- December 28, 1994, Honshu, Japan
- October 2, 1678, Sanriku,rikuchu, Japan
- May 30, 1998, Sanriku, Japan
- March 23, 1960, Sanriku, Japan
- July 13, 869, Sanriku, Japan
- November 9, 2025, Off East Coast Honshu, Japan
- July 18, 1992, Honshu Island, Japan
More
Significant earthquakes of 1257The 1200sRecent earthquakes near hereThis day in weather history
Sources
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 5938.