M4.0 earthquake 88 km ESE of Nemuro, Japan
A magnitude 4.0 earthquake struck 88 km ESE of Nemuro, Japan on Sun, Dec 2, 1973, 10:32 AM JST (01:32 UTC), 107 km (66 mi) below the surface.
A larger quake followed: M5.1 69 km SSE of Shikotan, Russia. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.0 (mb), light
- Local time
- UTC
- 1973-12-02 01:32:33 UTC
- Depth
- 107.0 km (66.5 mi), intermediate-depth
- Epicenter
- 42.893° N, 146.487° 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
- 8
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 9 in the 30 days before it.
After
- 5.169 km SSE of Shikotan, Russia · 19285 days ago · 33 km deep · 50 km away
- 5.061 km ESE of Nemuro, Japan · 19283 days ago · 58 km deep · 30 km away
- 4.7115 km SSE of Nemuro, Japan · 19265 days ago · 35 km deep · 75 km away
- 4.8off the coast of Hokkaido, Japan · 19232 days ago · 62 km deep · 94 km away
Before
- 4.672 km S of Shikotan, Russia · 19287 days ago · 33 km deep · 31 km away
- 5.972 km S of Shikotan, Russia · 19288 days ago · 40 km deep · 42 km away
- 5.979 km SSE of Shikotan, Russia · 19288 days ago · 31 km deep · 43 km away
- 5.4Kuril Islands · 19288 days ago · 36 km deep · 36 km away
- 4.853 km SSW of Nemuro, Japan · 19290 days ago · 56 km deep · 86 km away
- 4.584 km SE of Shikotan, Russia · 19291 days ago · 63 km deep · 97 km away
- 4.769 km SE of Nemuro, Japan · 19292 days ago · 57 km deep · 19 km away
- 5.086 km SE of Shikotan, Russia · 19302 days ago · 33 km deep · 74 km away
- 4.8104 km SE of Nemuro, Japan · 19314 days ago · 63 km deep · 30 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00004d6. Read Tue, Sep 22, 2026, 11:20 AM UTC.