M3.7 earthquake 0 km SW of Isesaki, Japan
A magnitude 3.7 earthquake struck 0 km SW of Isesaki, Japan on Thu, Sep 28, 1978, 9:00 AM JST (00:00 UTC), 135 km (84 mi) below the surface.
A larger quake followed: M4.6 4 km S of Sakado, Japan. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.7 (mb, body-wave), minor
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1978-09-28 00:00:19 UTC
- Depth
- 135.0 km (83.9 mi), intermediate-depth
- Epicenter
- 36.311° N, 139.195° 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
- 12
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 1 in the 60 days after this one and 1 in the 30 days before it.
After
Before
Earthquakes todayJapan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000ws0. Read Sun, Oct 4, 2026, 8:30 PM UTC.