M6.4 earthquake 129 km ESE of Yamada, Japan
A magnitude 6.4 earthquake struck 129 km ESE of Yamada, Japan on Sun, Apr 23, 1933, 4:13 PM JST (07:13 UTC), 15 km (9 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 6.4 (mw), strong
- Local time
- UTC
- 1933-04-23 07:13:44 UTC
- Depth
- 15.0 km (9.3 mi), shallow
- Epicenter
- 39.230° N, 143.417° E
- Region
- Japan
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Magnitude uncertainty
- ±0.46
- Depth from
- From location
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 3.4 and up: 3 in the 60 days after this one and 1 in the 30 days before it.
After
- 5.4171 km E of Yamada, Japan · 34128 days ago · 15 km deep · 48 km away
- 5.5151 km E of Yamada, Japan · 34126 days ago · 15 km deep · 29 km away
- 5.7near the east coast of Honshu, Japan · 34078 days ago · 35 km deep · 84 km away
Before
Earthquakes todayJapan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem905534. Read Wed, Sep 30, 2026, 12:28 PM UTC.