M3.9 earthquake 166 km WNW of Naha, Japan
A magnitude 3.9 earthquake struck 166 km WNW of Naha, Japan on Thu, May 6, 1982, 11:26 AM JST (02:26 UTC), 172 km (107 mi) below the surface.
A larger quake followed: M4.7 162 km NNE of Hirara, Japan. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.9 (mb), minor
- Local time
- UTC
- 1982-05-06 02:26:42 UTC
- Depth
- 172.2 km (107.0 mi), intermediate-depth
- Epicenter
- 26.810° N, 126.150° 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: 1 in the 60 days after this one and 1 in the 30 days before it.
After
Before
Earthquakes todayJapan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001m4d. Read Wed, Sep 30, 2026, 8:24 AM UTC.