M4.4 earthquake 118 km SSW of Ishigaki, Japan
A magnitude 4.4 earthquake struck 118 km SSW of Ishigaki, Japan on Wed, May 7, 1986, 7:50 AM JST (22:50 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M5.3 72 km SSE 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), light
- Local time
- UTC
- 1986-05-06 22:50:19 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 23.365° N, 123.693° 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
- OPERATOR_ASSIGNED
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 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 usp0002tkd. Read Sun, Sep 27, 2026, 9:32 AM UTC.