M4.6 earthquake 66 km NW of Yonakuni, Japan
A magnitude 4.6 earthquake struck 66 km NW of Yonakuni, Japan on Sun, Apr 19, 1981, 9:07 PM GMT+8 (13:07 UTC), 22 km (13 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.6 (mb), light
- Local time
- UTC
- 1981-04-19 13:07:34 UTC
- Depth
- 21.6 km (13.4 mi), shallow
- Epicenter
- 24.810° N, 122.459° 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.
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 and up: 4 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.370 km SW of Yonakuni, Japan · 16590 days ago · 7 km deep · 93 km away
- 3.946 km E of Yilan, Taiwan · 16578 days ago · 73 km deep · 28 km away
- 4.368 km SW of Yonakuni, Japan · 16567 days ago · 33 km deep · 95 km away
- 4.535 km ESE of Jiufen, Taiwan · 16567 days ago · 5 km deep · 35 km away
Before
Earthquakes todayJapan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001d7y. Read Tue, Sep 22, 2026, 8:45 AM UTC.