M4.4 earthquake 77 km N of Ishigaki, Japan
A magnitude 4.4 earthquake struck 77 km N of Ishigaki, Japan on Sat, Jun 27, 1981, 8:21 PM JST (11:21 UTC), 114 km (71 mi) below the surface.
A larger quake followed: M5.3 67 km N 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
- 4.4 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1981-06-27 11:21:36 UTC
- Depth
- 114.2 km (71.0 mi), intermediate-depth
- Epicenter
- 25.034° N, 124.029° 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.
- Depth from
- FROM_LOCATION
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 2 in the 60 days after this one and 1 in the 30 days before it.
After
- 5.1146 km NNE of Yonakuni, Japan · 16501 days ago · 199 km deep · 76 km away
- 5.367 km N of Yonakuni, Japan · 16497 days ago · 163 km deep · 93 km away
Before
Earthquakes todayJapan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001ec8. Read Sat, Oct 3, 2026, 4:09 PM UTC.