June 18, 1933 Earthquake: Sanriku, Japan
An earthquake struck Sanriku, Japan on June 18, 1933 at 21:37:00 UTC, 20 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
- June 18, 1933
- Time
- 21:37:00 UTC
- Place
- Sanriku, Japan
- Focal depth
- 20 km (12 mi)
- Tsunami
- Yes: the tsunami it caused
- Epicenter
- 38.100° N, 142.400° 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:
1933, June 19, 6:37 local time. There was a strong earthquake with source off Kinkazan Island (Miyagi Prefecture). It was accompanied by aftershocks and a weak tsunami, which was registered by tide gauges on the Sanriku Coast and on the south coast of Hokkaido Island.
Iida et al. (1967): 18.VI; 21h37m; 38.1 N., 142.3 E.; 20 km; M=7.1, m=-2.
Other significant earthquakes nearby
Within 200 km, the deadliest first.
- March 11, 2011, Honshu, Japan
- February 17, 1793, Sanriku,rikuzen,rikuchu, Japan
- July 6, 1905, Off Fukushima, Japan
- June 12, 1978, Sanriku, Japan
- June 13, 2008, Tokyo, Honshu, Japan
- March 16, 2022, Off Fukushima, Japan
- April 7, 2011, Near E Coast Honshu, Japan
- October 2, 1678, Sanriku,rikuchu, Japan
- February 13, 2021, Off Fukushima, Japan
- November 5, 1938, Near E Coast Honshu, Japan
- April 30, 1962, Sendai, Honshu, Japan
- November 2, 1936, Sanriku, Japan
- April 12, 1962, Sanriku, Japan
- September 9, 1616, Miyagi Prefecture, Honshu, Japan
- August 16, 2005, East Coast Honshu, Japan
More
Significant earthquakes of 1933The 1900sEvery quake the USGS located in 1933Recent 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 6098.