M5.7 earthquake 76 km SSE of Akkeshi, Japan
A magnitude 5.7 earthquake struck 76 km SSE of Akkeshi, Japan on Tue, Apr 6, 1971, 9:17 AM JST (00:17 UTC), 36 km (22 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.7 (mw), moderate
- Local time
- UTC
- 1971-04-06 00:17:13 UTC
- Depth
- 35.6 km (22.1 mi), shallow
- Epicenter
- 42.380° N, 145.156° 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 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 iscgem785371. Read Tue, Sep 22, 2026, 10:06 AM UTC.