M5.2 earthquake 59 km NW of Yonakuni, Japan
A magnitude 5.2 earthquake struck 59 km NW of Yonakuni, Japan on Sun, Sep 5, 1971, 1:10 AM GMT+8 (17:10 UTC), 115 km (71 mi) below the surface.
A larger quake followed: M5.6 27 km SSE of Jiufen, Taiwan. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.2 (mw), moderate
- Local time
- UTC
- 1971-09-04 17:10:26 UTC
- Depth
- 114.6 km (71.2 mi), intermediate-depth
- Epicenter
- 24.904° N, 122.655° 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
- ±0.59
- Depth from
- From location
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.2 and up: 1 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 iscgem779946. Read Tue, Sep 22, 2026, 8:27 PM UTC.