M5.1 earthquake 146 km SSE of Honchō, Japan
A magnitude 5.1 earthquake struck 146 km SSE of Honchō, Japan on Thu, Aug 26, 1971, 3:25 PM JST (06:25 UTC), 39 km (24 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.1 (mw), moderate
- Local time
- UTC
- 1971-08-26 06:25:30 UTC
- Depth
- 38.9 km (24.2 mi), shallow
- Epicenter
- 41.024° N, 143.873° 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 2.1 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 iscgem781618. Read Tue, Sep 22, 2026, 6:30 AM UTC.