M5.1 earthquake 123 km S of ?yama, Japan
A magnitude 5.1 earthquake struck 123 km S of ?yama, Japan on Thu, Sep 28, 1978, 2:00 AM JST (17:00 UTC), 293 km (182 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.1 (mb), moderate
- Local time
- UTC
- 1978-09-27 17:00:17 UTC
- Depth
- 293.0 km (182.1 mi), intermediate-depth
- Epicenter
- 33.500° N, 138.068° 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
- 165
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.1 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 usp0000wrx. Read Tue, Sep 22, 2026, 9:15 AM UTC.