October 12, 1935 Earthquake: Sanriku, Japan
An earthquake struck Sanriku, Japan on October 12, 1935 at 16:45:00 UTC, 10 km below the surface. 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 12, 1935
- Time
- 16:45:00 UTC
- Place
- Sanriku, Japan
- Focal depth
- 10 km (6 mi)
- Tsunami
- Yes: the tsunami it caused
- Epicenter
- 39.900° N, 143.700° E
- Country
- Japan
The toll
The record gives no deaths, injuries or damage for this earthquake.
What the record says
NCEI’s account, from the sources it cites.
Reference #414:
1935, October 13, 1:45 local time. There was a considerable earthquake with a source at sea off Miyako (Iwate Prefecture). It was accompanied by a large number of aftershocks and a weak tsunami, which was registered by tide gauges on the Sanriku Coast.
Iida et al. (1967): 12.X; 16h45m; 40 N., 143.6 E.; 40 km; M=7.2, m=-2.
Other significant earthquakes nearby
Within 200 km, the deadliest first.
- June 15, 1896, Sanriku, Japan
- December 2, 1611, Sanriku, Japan
- March 2, 1933, Sanriku, Japan
- February 17, 1793, Sanriku,rikuzen,rikuchu, Japan
- December 6, 1616, Sanriku, Japan
- May 16, 1968, Off East Coast of Honshu Island, Japan
- August 23, 1856, Oshima, Japan
- August 9, 1901, Off Northeast Coast Honshu, Japan
- December 28, 1994, Honshu, Japan
- July 23, 2008, N, Honshu, Japan
- April 13, 1677, Sanriku, Japan
- March 20, 1960, Sanriku, Japan
- February 20, 1979, Iwate, Japan
- May 27, 1928, Sanriku, Japan
- October 29, 1989, N. Honshu Island, Japan
More
Significant earthquakes of 1935The 1900sEvery quake the USGS located in 1935Recent 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 6104.