M4.8 earthquake 91 km SSE of Nemuro, Japan
A magnitude 4.8 earthquake struck 91 km SSE of Nemuro, Japan on Tue, Oct 9, 1973, 10:03 PM JST (13:03 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M5.1 60 km SSW of Nemuro, Japan. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.8 (mb), light
- Local time
- UTC
- 1973-10-09 13:03:45 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 42.513° N, 145.804° 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.
- Depth from
- OPERATOR_ASSIGNED
- Stations used
- 27
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.8 and up: 9 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.8110 km S of Nemuro, Japan · 19337 days ago · 40 km deep · 19 km away
- 5.160 km SSW of Nemuro, Japan · 19319 days ago · 54 km deep · 53 km away
- 4.8104 km SE of Nemuro, Japan · 19314 days ago · 63 km deep · 53 km away
- 4.769 km SE of Nemuro, Japan · 19292 days ago · 57 km deep · 63 km away
- 4.853 km SSW of Nemuro, Japan · 19290 days ago · 56 km deep · 49 km away
- 5.4Kuril Islands · 19288 days ago · 36 km deep · 59 km away
- 4.672 km S of Shikotan, Russia · 19288 days ago · 33 km deep · 96 km away
- 4.088 km ESE of Nemuro, Japan · 19287 days ago · 107 km deep · 70 km away
- 5.061 km ESE of Nemuro, Japan · 19283 days ago · 58 km deep · 78 km away
Before
Earthquakes todayJapan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00003s3. Read Tue, Sep 22, 2026, 12:19 PM UTC.