Japan earthquakes

M4.9 earthquake 103 km NE of Hasaki, Japan

A magnitude 4.9 earthquake struck 103 km NE of Hasaki, Japan on Fri, Jul 23, 1982, 11:50 PM JST (14:50 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M5.1 93 km ENE of Hasaki, Japan. This one was a foreshock.

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Map

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

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The earthquake

Magnitude
4.9 (mb), light
Local time
UTC
1982-07-23 14:50:45 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
36.292° N, 141.754° 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

Nearest places

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

Nearby

Within 100 km, magnitude 1.9 and up: 37 in the 60 days after this one and 14 in the 30 days before it.

After

  1. 4.789 km ESE of Kitaibaraki, Japan · 16132 days ago · 33 km deep · 31 km away
  2. 5.193 km ENE of Hasaki, Japan · 16132 days ago · 50 km deep · 15 km away
  3. 4.355 km ESE of Takahagi, Japan · 16132 days ago · 33 km deep · 49 km away
  4. 5.051 km E of ?arai, Japan · 16132 days ago · 58 km deep · 53 km away
  5. 4.3108 km ESE of Takahagi, Japan · 16132 days ago · 33 km deep · 6 km away
  6. 6.288 km ENE of Hasaki, Japan · 16132 days ago · 31 km deep · 25 km away
  7. 5.0103 km ENE of Hasaki, Japan · 16132 days ago · 33 km deep · 35 km away
  8. 3.869 km E of ?arai, Japan · 16132 days ago · 33 km deep · 36 km away
  9. 4.887 km ENE of Hasaki, Japan · 16131 days ago · 49 km deep · 28 km away
  10. 4.597 km ENE of Hasaki, Japan · 16131 days ago · 33 km deep · 27 km away
  11. 4.758 km ESE of Takahagi, Japan · 16130 days ago · 33 km deep · 46 km away
  12. 4.471 km ESE of Takahagi, Japan · 16130 days ago · 33 km deep · 33 km away
  13. 4.991 km ENE of Hasaki, Japan · 16130 days ago · 49 km deep · 15 km away
  14. 5.594 km ESE of Takahagi, Japan · 16130 days ago · 45 km deep · 10 km away
  15. 5.0120 km ENE of Hasaki, Japan · 16130 days ago · 36 km deep · 27 km away
  16. 4.9103 km ESE of Kitaibaraki, Japan · 16130 days ago · 33 km deep · 19 km away
  17. 4.0115 km ENE of Hasaki, Japan · 16130 days ago · 33 km deep · 14 km away
  18. 4.056 km ENE of Kashima-shi, Japan · 16130 days ago · 33 km deep · 50 km away
  19. 4.5109 km ESE of Kitaibaraki, Japan · 16128 days ago · 33 km deep · 26 km away
  20. 5.0near the east coast of Honshu, Japan · 16126 days ago · 55 km deep · 45 km away
  21. 4.181 km ESE of Takahagi, Japan · 16124 days ago · 33 km deep · 23 km away
  22. 4.367 km NE of Hasaki, Japan · 16122 days ago · 33 km deep · 36 km away
  23. 4.255 km ESE of Hitachi, Japan · 16122 days ago · 33 km deep · 50 km away
  24. 4.863 km ENE of Kashima-shi, Japan · 16122 days ago · 33 km deep · 43 km away
  25. 4.473 km NE of Hasaki, Japan · 16122 days ago · 33 km deep · 30 km away
  26. 5.593 km E of Hasaki, Japan · 16115 days ago · 33 km deep · 72 km away
  27. 5.4115 km ESE of Hasaki, Japan · 16115 days ago · 33 km deep · 100 km away
  28. 4.793 km E of Hasaki, Japan · 16115 days ago · 59 km deep · 80 km away
  29. 5.430 km ESE of Hitachi, Japan · 16111 days ago · 59 km deep · 76 km away
  30. 5.436 km ESE of Hitachi, Japan · 16109 days ago · 50 km deep · 68 km away
  31. 4.5175 km ESE of Iwaki, Japan · 16108 days ago · 28 km deep · 90 km away
  32. 3.947 km ESE of Hitachi, Japan · 16104 days ago · 52 km deep · 57 km away
  33. 5.679 km ESE of Hitachi, Japan · 16101 days ago · 36 km deep · 25 km away
  34. 4.250 km ESE of Hitachi, Japan · 16093 days ago · 50 km deep · 56 km away
  35. 4.233 km ESE of ?arai, Japan · 16092 days ago · 42 km deep · 76 km away
  36. 4.251 km ESE of Hitachi, Japan · 16089 days ago · 53 km deep · 54 km away
  37. 4.871 km ENE of Kashima-shi, Japan · 16075 days ago · 48 km deep · 35 km away

Before

  1. 7.193 km ENE of Hasaki, Japan · 16132 days ago · 37 km deep · 12 km away
  2. 4.765 km ESE of Kitaibaraki, Japan · 16132 days ago · 33 km deep · 42 km away
  3. 4.383 km ESE of Kitaibaraki, Japan · 16132 days ago · 33 km deep · 33 km away
  4. 5.193 km ENE of Hasaki, Japan · 16132 days ago · 32 km deep · 19 km away
  5. 4.788 km NE of Hasaki, Japan · 16133 days ago · 54 km deep · 16 km away
  6. 4.997 km ENE of Hasaki, Japan · 16133 days ago · 33 km deep · 14 km away
  7. 3.965 km ENE of Kashima-shi, Japan · 16133 days ago · 33 km deep · 41 km away
  8. 5.3100 km ENE of Hasaki, Japan · 16133 days ago · 32 km deep · 15 km away
  9. 4.4135 km ESE of Kitaibaraki, Japan · 16133 days ago · 33 km deep · 37 km away
  10. 4.097 km ESE of Kitaibaraki, Japan · 16133 days ago · 33 km deep · 32 km away
  11. 4.680 km ENE of Hasaki, Japan · 16133 days ago · 63 km deep · 26 km away
  12. 5.082 km NE of Hasaki, Japan · 16133 days ago · 54 km deep · 21 km away
  13. 4.890 km ENE of Hasaki, Japan · 16133 days ago · 56 km deep · 15 km away
  14. 4.458 km NE of Hasaki, Japan · 16156 days ago · 33 km deep · 45 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0001nkm. Read Tue, Sep 22, 2026, 8:52 AM UTC.