M4.8 earthquake 99 km S of Yonakuni, Japan
A magnitude 4.8 earthquake struck 99 km S of Yonakuni, Japan on Sat, Jul 10, 1982, 11:53 AM JST (02:53 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M5.3 73 km SW 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
- 4.8 (mb), light
- Local time
- UTC
- 1982-07-10 02:53:01 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 23.568° N, 123.026° 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 1.8 and up: 2 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.327 km S of Yonakuni, Japan · 16101 days ago · 38 km deep · 73 km away
- 5.373 km SW of Yonakuni, Japan · 16094 days ago · 33 km deep · 80 km away
Before
Earthquakes todayJapan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001nbf (also filed as iscgemsup595131). Read Tue, Sep 29, 2026, 1:30 AM UTC.