M4.9 earthquake 80 km ENE of Mutsu, Japan
A magnitude 4.9 earthquake struck 80 km ENE of Mutsu, Japan on Wed, Oct 8, 1975, 11:10 AM JST (02:10 UTC), 68 km (42 mi) below the surface.
A larger quake followed: M5.8 44 km SE of Shizunai-furukawach?, Japan. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.9 (mb), light
- Local time
- UTC
- 1975-10-08 02:10:42 UTC
- Depth
- 68.0 km (42.3 mi), shallow
- Epicenter
- 41.621° N, 142.073° 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
- 35
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.9 and up: 2 in the 60 days after this one and 4 in the 30 days before it.
After
- 5.270 km ENE of Mutsu, Japan · 18602 days ago · 70 km deep · 17 km away
- 5.844 km SE of Shizunai-furukawach?, Japan · 18598 days ago · 59 km deep · 65 km away
Before
- 3.94 km SW of Shizunai-furukawach?, Japan · 18630 days ago · 122 km deep · 79 km away
- 5.859 km SSE of Shizunai-furukawach?, Japan · 18638 days ago · 47 km deep · 63 km away
- 4.152 km SW of Shizunai-furukawach?, Japan · 18643 days ago · 88 km deep · 51 km away
- 5.185 km SSE of Shizunai-furukawach?, Japan · 18649 days ago · 50 km deep · 51 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000d33. Read Tue, Sep 29, 2026, 8:13 PM UTC.