M4.3 earthquake 53 km ESE of Mutsu, Japan
A magnitude 4.3 earthquake struck 53 km ESE of Mutsu, Japan on Sun, Nov 11, 1973, 2:50 AM JST (17:50 UTC), 83 km (52 mi) below the surface.
A larger quake followed: M4.6 75 km ENE of Mutsu, 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), light
- Local time
- UTC
- 1973-11-10 17:50:37 UTC
- Depth
- 83.0 km (51.6 mi), intermediate-depth
- Epicenter
- 41.135° N, 141.815° 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
- 10
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.675 km ENE of Mutsu, Japan · 19293 days ago · 73 km deep · 53 km away
- 4.244 km ESE of Mutsu, Japan · 19290 days ago · 78 km deep · 9 km away
- 4.377 km ENE of Mutsu, Japan · 19289 days ago · 74 km deep · 53 km away
- 4.863 km E of Mutsu, Japan · 19250 days ago · 69 km deep · 17 km away
Before
Earthquakes todayJapan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000043y. Read Tue, Sep 22, 2026, 12:10 PM UTC.