M4.3 earthquake 59 km ESE of Hitachi, Japan
A magnitude 4.3 earthquake struck 59 km ESE of Hitachi, Japan on Tue, Oct 7, 1975, 3:49 AM JST (18:49 UTC), 55 km (34 mi) below the surface.
A larger quake followed: M4.4 22 km NNW of Iwaki, Japan. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.3 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1975-10-06 18:49:28 UTC
- Depth
- 55.0 km (34.2 mi), shallow
- Epicenter
- 36.432° N, 141.279° 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
- 14
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 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 usp0000d2j. Read Sun, Oct 4, 2026, 5:09 PM UTC.