M5.4 earthquake 74 km SSE of Akkeshi, Japan
A magnitude 5.4 earthquake struck 74 km SSE of Akkeshi, Japan on Tue, Apr 6, 1971, 8:53 PM JST (11:53 UTC), 32 km (20 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.4 (mw), moderate
- Local time
- UTC
- 1971-04-06 11:53:53 UTC
- Depth
- 32.4 km (20.1 mi), shallow
- Epicenter
- 42.398° N, 145.145° 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 2.4 and up: 0 in the 60 days after this one and 2 in the 30 days before it.
Before
Earthquakes todayJapan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem785394. Read Tue, Sep 22, 2026, 11:02 AM UTC.