M4.9 earthquake 79 km SE of Shing?, Japan
A magnitude 4.9 earthquake struck 79 km SE of Shing?, Japan on Wed, May 21, 1975, 3:48 PM JST (06:48 UTC), 392 km (244 mi) below the surface.
A larger quake followed: M5.1 136 km SE of Shing?, Japan. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.9 (mb), light
- Local time
- UTC
- 1975-05-21 06:48:39 UTC
- Depth
- 392.0 km (243.6 mi), deep
- Epicenter
- 33.203° N, 136.564° 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.
- Stations used
- 121
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.9 and up: 2 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 usp0000b3y. Read Tue, Sep 29, 2026, 12:40 AM UTC.