Japan earthquakes

M4.3 earthquake 77 km S of Nemuro, Japan

A magnitude 4.3 earthquake struck 77 km S of Nemuro, Japan on Wed, Jul 18, 1973, 9:02 AM JST (00:02 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M5.0 92 km S of Nemuro, Japan. This one was a foreshock.

Nemuro forecastMore in Japan

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
4.3 (mb), light
Local time
UTC
1973-07-18 00:02:56 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
42.629° N, 145.561° 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
12

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 70 in the 30 days before it.

After

  1. 4.864 km E of Nemuro, Japan · 19432 days ago · 66 km deep · 93 km away
  2. 4.457 km ESE of Nemuro, Japan · 19430 days ago · 33 km deep · 68 km away
  3. 4.763 km ESE of Nemuro, Japan · 19426 days ago · 58 km deep · 87 km away
  4. 3.825 km S of Nemuro, Japan · 19423 days ago · 79 km deep · 52 km away
  5. 4.4115 km SSE of Nemuro, Japan · 19417 days ago · 65 km deep · 54 km away
  6. 5.092 km S of Nemuro, Japan · 19416 days ago · 45 km deep · 21 km away
  7. 4.954 km S of Nemuro, Japan · 19415 days ago · 53 km deep · 24 km away
  8. 4.457 km SSW of Nemuro, Japan · 19408 days ago · 55 km deep · 25 km away
  9. 4.252 km E of Kushiro, Japan · 19375 days ago · 109 km deep · 60 km away

Before

  1. 4.463 km E of Nemuro, Japan · 19440 days ago · 55 km deep · 93 km away
  2. 4.582 km ESE of Nemuro, Japan · 19445 days ago · 39 km deep · 92 km away
  3. 4.278 km SSE of Nemuro, Japan · 19446 days ago · 41 km deep · 39 km away
  4. 4.992 km SSE of Nemuro, Japan · 19446 days ago · 36 km deep · 34 km away
  5. 5.247 km SSW of Nemuro, Japan · 19448 days ago · 57 km deep · 34 km away
  6. 4.529 km E of Nemuro, Japan · 19449 days ago · 33 km deep · 88 km away
  7. 5.9Hokkaido, Japan region · 19452 days ago · 50 km deep · 88 km away
  8. 4.773 km S of Nemuro, Japan · 19453 days ago · 33 km deep · 13 km away
  9. 5.287 km S of Nemuro, Japan · 19454 days ago · 38 km deep · 20 km away
  10. 5.479 km ESE of Nemuro, Japan · 19454 days ago · 46 km deep · 93 km away
  11. 5.1105 km SE of Nemuro, Japan · 19454 days ago · 41 km deep · 87 km away
  12. 5.3104 km SE of Nemuro, Japan · 19454 days ago · 44 km deep · 90 km away
  13. 5.488 km S of Shikotan, Russia · 19454 days ago · 44 km deep · 98 km away
  14. 5.5105 km S of Shikotan, Russia · 19454 days ago · 41 km deep · 99 km away
  15. 5.343 km SE of Nemuro, Japan · 19454 days ago · 46 km deep · 64 km away
  16. 5.382 km S of Shikotan, Russia · 19454 days ago · 57 km deep · 98 km away
  17. 4.262 km ESE of Nemuro, Japan · 19455 days ago · 49 km deep · 69 km away
  18. 4.072 km SSE of Nemuro, Japan · 19455 days ago · 67 km deep · 23 km away
  19. 4.568 km E of Nemuro, Japan · 19455 days ago · 33 km deep · 94 km away
  20. 4.670 km ESE of Nemuro, Japan · 19455 days ago · 39 km deep · 87 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp00002rf. Read Wed, Sep 30, 2026, 4:47 PM UTC.