M5.6 earthquake 92 km SSE of Honchō, Japan
A magnitude 5.6 earthquake struck 92 km SSE of Honchō, Japan on Sun, Jan 3, 1971, 10:51 PM JST (13:51 UTC), 23 km (14 mi) below the surface.
A larger quake followed: M5.8 162 km ENE of Noda, Japan. This one was a foreshock.
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
- 1971-01-03 13:51:30 UTC
- Depth
- 22.7 km (14.1 mi), shallow
- Epicenter
- 41.424° N, 143.511° 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: 4 in the 60 days after this one and 1 in the 30 days before it.
After
- 5.361 km SSW of Honchō, Japan · 20337 days ago · 41 km deep · 72 km away
- 5.252 km S of Honchō, Japan · 20302 days ago · 20 km deep · 60 km away
- 5.8162 km ENE of Noda, Japan · 20296 days ago · 28 km deep · 80 km away
- 5.5158 km SSE of Honchō, Japan · 20292 days ago · 32 km deep · 72 km away
Before
Earthquakes todayJapan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem787881. Read Tue, Sep 22, 2026, 10:29 PM UTC.