Japan earthquakes in 1923
23 earthquakes of magnitude 4.5 or more were located in Japan in 1923. The largest: M8.0 5 km SSE of ?iso, Japan, Sep 1, 1923.
From the USGS catalog. Times are local to each quake.
Map
Where every quake of 1923 was located in Japan. Select one for its page.
Every quake of 1923
Magnitude 4.5 and up, newest first.
- 6.392 km ENE of Hasaki, Japan · 35 km deep
- 6.3100 km S of Yonakuni, Japan · 35 km deep
- 6.5170 km ESE of Naze, Japan · 15 km deep
- 7.2101 km NE of Naze, Japan · 35 km deep
- 7.093 km NNE of Naze, Japan · 35 km deep
- 6.821 km SE of Shimoda, Japan · 10 km deep
- 5.8Izu Islands, Japan region · 15 km deep
- 5.97 km W of Miura, Japan · 15 km deep
- 6.112 km SSE of Odawara, Japan · 15 km deep
- 6.79 km SSE of Mobara, Japan · 35 km deep
- 7.85 km E of Tateyama, Japan · 15 km deep
- 6.78 km S of Ninomiya, Japan · 15 km deep
- 8.05 km SSE of ?iso, Japan · 15 km deep
- 6.8148 km SE of Katsuren-haebaru, Japan · 15 km deep
- 6.4282 km SE of Katsuura, Japan · 15 km deep
- 6.628 km S of Nishinoomote, Japan · 35 km deep
- 7.422 km N of Nishinoomote, Japan · 35 km deep
- 6.6154 km S of Yonakuni, Japan · 25 km deep
- 6.4164 km E of Hasaki, Japan · 15 km deep
- 6.760 km ENE of Hasaki, Japan · 35 km deep
- 7.264 km ENE of Hasaki, Japan · 15 km deep
- 6.0140 km E of Hasaki, Japan · 15 km deep
- 7.070 km WNW of Naha, Japan · 20 km deep
Month by month
Counted by UTC date, which is how the catalog files them.
| Month | Quakes | Largest | Where |
|---|---|---|---|
| January 1923 | 0 | ||
| February 1923 | 0 | ||
| March 1923 | 0 | ||
| April 1923 | 1 | 7.0 | 70 km WNW of Naha, Japan |
| May 1923 | 1 | 6.0 | 140 km E of Hasaki, Japan |
| June 1923 | 3 | 7.2 | 64 km ENE of Hasaki, Japan |
| July 1923 | 3 | 7.4 | 22 km N of Nishinoomote, Japan |
| August 1923 | 2 | 6.8 | 148 km SE of Katsuren-haebaru, Japan |
| September 1923 | 8 | 8.0 | 5 km SSE of ?iso, Japan |
| October 1923 | 0 | ||
| November 1923 | 4 | 7.2 | 101 km NE of Naze, Japan |
| December 1923 | 1 | 6.3 | 92 km ENE of Hasaki, Japan |
What this means
The catalog is only as complete as the instruments of the time. Worldwide coverage of magnitude 5 and up dates from the 1960s, and of 4.5 from the 1990s; earlier years hold the large quakes and the ones near a station, so a low count in an early year means fewer instruments, not a quiet earth.
By year
Every year the USGS catalog covers.
- 2020s2020202120222023202420252026
- 2010s2010201120122013201420152016201720182019
- 2000s2000200120022003200420052006200720082009
- 1990s1990199119921993199419951996199719981999
- 1980s1980198119821983198419851986198719881989
- 1970s1970197119721973197419751976197719781979
- 1960s1960196119621963196419651966196719681969
- 1950s1950195119521953195419551956195719581959
- 1940s1940194119421943194419451946194719481949
- 1930s1930193119321933193419351936193719381939
- 1920s1920192119221923192419251926192719281929
- 1910s1910191119121913191419151916191719181919
- 1900s1900190119021903190419051906190719081909
Nearby
Sources
Earthquakes, magnitudes, depths, shaking estimates and felt reports from the U.S. Geological Survey Earthquake Hazards Program, read from its live feeds and its catalog back to 1900. Tsunami messages from NOAA’s tsunami warning centers.