M6.3 earthquake 136 km E of Yamada, Japan
A magnitude 6.3 earthquake struck 136 km E of Yamada, Japan on Wed, Mar 12, 1941, 11:16 PM JST (14:16 UTC), 20 km (12 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 6.3 (Mw, moment), strong
- Magnitude from
- ISC-GEM global catalog
- Local time
- UTC
- 1941-03-12 14:16:36 UTC
- Depth
- 20.0 km (12.4 mi), shallow
- Epicenter
- 39.555° N, 143.534° 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
- ±0.29
- Depth from
- From location
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 3.3 and up: 3 in the 60 days after this one and 0 in the 30 days before it.
After
Earthquakes todayJapan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem900705. Read Fri, Oct 2, 2026, 4:09 PM UTC.