M4.7 earthquake 45 km NE of Yonakuni, Japan
A magnitude 4.7 earthquake struck 45 km NE of Yonakuni, Japan on Tue, Nov 7, 1978, 3:38 AM JST (18:38 UTC), 97 km (60 mi) below the surface.
A larger quake followed: M4.9 24 km SE of Yonakuni, Japan. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.7 (mb), light
- Local time
- UTC
- 1978-11-06 18:38:05 UTC
- Depth
- 97.0 km (60.3 mi), intermediate-depth
- Epicenter
- 24.731° N, 123.350° 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.
- Stations used
- 39
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.7 and up: 3 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 usp0000xad. Read Tue, Sep 22, 2026, 11:01 AM UTC.