M5.6 earthquake 133 km ESE of Yamada, Japan
A magnitude 5.6 earthquake struck 133 km ESE of Yamada, Japan on Sat, Jul 17, 1971, 7:15 AM JST (22:15 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
- 5.6 (mw), moderate
- Local time
- UTC
- 1971-07-16 22:15:40 UTC
- Depth
- 21.4 km (13.3 mi), shallow
- Epicenter
- 39.125° N, 143.435° 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: 1 in the 60 days after this one and 1 in the 30 days before it.
After
Before
Earthquakes todayJapan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem782364. Read Wed, Sep 23, 2026, 2:07 PM UTC.