M5.6 earthquake 152 km E of Yamada, Japan
A magnitude 5.6 earthquake struck 152 km E of Yamada, Japan on Wed, Mar 21, 1934, 2:38 PM JST (05:38 UTC), 35 km (22 mi) below the surface.
A larger quake followed: M5.6 231 km ESE of Yamada, Japan. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.6 (mw), moderate
- Local time
- UTC
- 1934-03-21 05:38:32 UTC
- Depth
- 35.0 km (21.7 mi), shallow
- Epicenter
- 39.437° N, 143.726° 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
- ±0.20
- Depth from
- From location
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.5 and up: 2 in the 60 days after this one and 1 in the 30 days before it.
After
- 5.6231 km ESE of Yamada, Japan · 33751 days ago · 15 km deep · 84 km away
- 5.6207 km E of Miyako, Japan · 33749 days ago · 15 km deep · 60 km away
Before
Earthquakes todayJapan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem904854. Read Tue, Sep 22, 2026, 9:40 AM UTC.