M6.3 earthquake 119 km E of Yamada, Japan
A magnitude 6.3 earthquake struck 119 km E of Yamada, Japan on Fri, Sep 24, 1971, 10:10 AM JST (01:10 UTC), 21 km (13 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), strong
- Local time
- UTC
- 1971-09-24 01:10:01 UTC
- Depth
- 21.0 km (13.0 mi), shallow
- Epicenter
- 39.380° N, 143.331° 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
- ±0.23
- 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: 0 in the 60 days after this one and 3 in the 30 days before it.
Before
Earthquakes todayJapan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem780560. Read Tue, Sep 22, 2026, 9:36 PM UTC.