World Map › Major Earthquakes Since 1900 › 1931
Historic Earthquake
1931 Saitama Earthquake
21 September 1931 · Honshu · Japan
On 21 September 1931 at 02:20 UTC, a magnitude 7.0 earthquake struck Japan (Honshu), at a depth of 20 km. It occurred on the Okhotsk Plate, 94 km from its boundary with the Amur Plate (continental collision). It killed at least 16 people.
- Date
- 21 September 1931
- Time
- 02:20 UTC
- Magnitude
- 7.0
- Depth
- 20 km
- Deaths
- 16
- Plate
- Okhotsk Plate
- Country
- Japan
- Nearest Volcano
- Akagisan (51 km)
Nearby Major Earthquakes
Other major earthquakes recorded within 300 km.
- 20112011 Northern Nagano Earthquake · M 7.9
- 19641964 Niigata Earthquake · M 7.636 deaths
- 19381938 Fukushima Earthquakes · M 7.71 deaths
- 19381938 Fukushima Earthquakes · M 7.6
- 19231923 Great Kantō Earthquake · M 7.7
- 19231923 Great Kantō Earthquake · M 7.9105,385 deaths
- 1909Yokohama · M 7.5
- 1906Near S Coast of Honshu · M 8.4
Sources: NOAA National Centers for Environmental Information, Global Significant Earthquake Database (doi:10.7289/V5TD9V7K) · Wikidata · Bird (2003), PB2002 · Natural Earth