M6.3 earthquake 189 km S of ?yama, Japan
A magnitude 6.3 earthquake struck 189 km S of ?yama, Japan on Wed, Feb 28, 1968, 9:08 PM JST (12:08 UTC), 344 km (214 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 6.3 (mw), strong
- Local time
- UTC
- 1968-02-28 12:08:02 UTC
- Depth
- 344.1 km (213.8 mi), deep
- Epicenter
- 32.928° N, 137.820° 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.
- Magnitude uncertainty
- ±0.10
- Depth from
- From location
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.5 and up: 0 in the 60 days after this one and 0 in the 30 days before it.
None recorded.
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem826814. Read Tue, Sep 22, 2026, 10:53 AM UTC.