Japan earthquakes

M4.3 earthquake 131 km SE of ?funato, Japan

A magnitude 4.3 earthquake struck 131 km SE of ?funato, Japan on Wed, Jun 21, 1978, 12:35 PM JST (03:35 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M5.7 41 km ESE of Ishinomaki, 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
4.3 (mb), light
Local time
UTC
1978-06-21 03:35:49 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
38.280° N, 142.835° 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
7

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 19 in the 60 days after this one and 25 in the 30 days before it.

After

  1. 5.741 km ESE of Ishinomaki, Japan · 17626 days ago · 52 km deep · 94 km away
  2. 5.1155 km SE of ?funato, Japan · 17626 days ago · 33 km deep · 27 km away
  3. 4.1152 km E of Namie, Japan · 17622 days ago · 43 km deep · 90 km away
  4. 4.9109 km ESE of ?funato, Japan · 17622 days ago · 33 km deep · 33 km away
  5. 4.5195 km E of Namie, Japan · 17621 days ago · 33 km deep · 98 km away
  6. 4.7182 km E of Namie, Japan · 17620 days ago · 33 km deep · 89 km away
  7. 4.2182 km E of Namie, Japan · 17619 days ago · 23 km deep · 97 km away
  8. 4.7196 km SE of ?funato, Japan · 17614 days ago · 26 km deep · 68 km away
  9. 4.8133 km SE of ?funato, Japan · 17613 days ago · 37 km deep · 3 km away
  10. 4.9195 km SE of ?funato, Japan · 17612 days ago · 12 km deep · 69 km away
  11. 4.9187 km SE of ?funato, Japan · 17611 days ago · 33 km deep · 59 km away
  12. 4.7187 km SE of ?funato, Japan · 17607 days ago · 36 km deep · 59 km away
  13. 4.8187 km SE of ?funato, Japan · 17607 days ago · 33 km deep · 60 km away
  14. 4.5120 km ESE of Ishinomaki, Japan · 17605 days ago · 44 km deep · 25 km away
  15. 4.7104 km ESE of Ishinomaki, Japan · 17605 days ago · 33 km deep · 37 km away
  16. 4.5146 km E of Namie, Japan · 17603 days ago · 52 km deep · 90 km away
  17. 4.3141 km ESE of ?funato, Japan · 17598 days ago · 38 km deep · 28 km away
  18. 4.4150 km ESE of Ishinomaki, Japan · 17597 days ago · 33 km deep · 46 km away
  19. 5.272 km SE of Ishinomaki, Japan · 17590 days ago · 46 km deep · 94 km away

Before

  1. 4.894 km SE of ?funato, Japan · 17628 days ago · 28 km deep · 42 km away
  2. 4.9141 km ESE of Ishinomaki, Japan · 17628 days ago · 33 km deep · 36 km away
  3. 5.2112 km SE of ?funato, Japan · 17629 days ago · 33 km deep · 23 km away
  4. 4.2138 km ESE of Kamaishi, Japan · 17630 days ago · 33 km deep · 48 km away
  5. 5.0167 km SE of ?funato, Japan · 17630 days ago · 33 km deep · 38 km away
  6. 4.493 km ESE of Ishinomaki, Japan · 17631 days ago · 33 km deep · 44 km away
  7. 4.1164 km ESE of Ishinomaki, Japan · 17631 days ago · 42 km deep · 70 km away
  8. 4.9138 km ESE of ?funato, Japan · 17631 days ago · 33 km deep · 39 km away
  9. 5.2164 km SE of ?funato, Japan · 17631 days ago · 33 km deep · 40 km away
  10. 4.9170 km SE of ?funato, Japan · 17631 days ago · 33 km deep · 43 km away
  11. 4.7185 km SE of ?funato, Japan · 17631 days ago · 33 km deep · 56 km away
  12. 5.6167 km SE of ?funato, Japan · 17631 days ago · 34 km deep · 39 km away
  13. 5.465 km SE of Ishinomaki, Japan · 17632 days ago · 42 km deep · 97 km away
  14. 6.393 km E of Ishinomaki, Japan · 17633 days ago · 40 km deep · 41 km away
  15. 4.0113 km ESE of Ishinomaki, Japan · 17633 days ago · 68 km deep · 29 km away
  16. 4.963 km ESE of Ishinomaki, Japan · 17633 days ago · 42 km deep · 81 km away
  17. 4.692 km SE of ?funato, Japan · 17635 days ago · 45 km deep · 42 km away
  18. 4.193 km ESE of Ishinomaki, Japan · 17635 days ago · 50 km deep · 52 km away
  19. 4.980 km ESE of Ishinomaki, Japan · 17635 days ago · 45 km deep · 58 km away
  20. 4.347 km E of Ishinomaki, Japan · 17635 days ago · 64 km deep · 88 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0000v6f. Read Wed, Sep 23, 2026, 3:33 AM UTC.