M4.2 earthquake 208 km S of ?yama, Japan
A magnitude 4.2 earthquake struck 208 km S of ?yama, Japan on Tue, Mar 24, 1981, 8:20 PM JST (11:20 UTC), 343 km (213 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.2 (mb), light
- Local time
- UTC
- 1981-03-24 11:20:28 UTC
- Depth
- 342.5 km (212.8 mi), deep
- Epicenter
- 32.723° N, 138.082° 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 1.5 and up: 0 in the 60 days after this one and 1 in the 30 days before it.
Before
Earthquakes todayJapan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001cv0. Read Tue, Sep 22, 2026, 4:03 PM UTC.