Japan earthquakes

M6.5 earthquake 156 km ESE of Iwaki, Japan

A magnitude 6.5 earthquake struck 156 km ESE of Iwaki, Japan on Tue, Nov 8, 1938, 4:33 AM JST (19:33 UTC), 30 km (19 mi) below the surface.

A larger quake followed: M6.9 174 km ESE of Iwaki, Japan. This one was a foreshock.

Iwaki 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
6.5 (mw), strong
Local time
UTC
1938-11-07 19:33:36 UTC
Depth
30.0 km (18.6 mi), shallow
Epicenter
36.678° N, 142.577° 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.

Magnitude uncertainty
±0.34
Depth from
From location

Nearest places

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

Nearby

Within 100 km, magnitude 2.5 and up: 21 in the 60 days after this one and 14 in the 30 days before it.

After

  1. 5.6132 km E of Namie, Japan · 32095 days ago · 25 km deep · 67 km away
  2. 6.9174 km ESE of Iwaki, Japan · 32094 days ago · 15 km deep · 24 km away
  3. 5.8129 km ESE of Iwaki, Japan · 32094 days ago · 25 km deep · 28 km away
  4. 7.1200 km ESE of Iwaki, Japan · 32090 days ago · 35 km deep · 45 km away
  5. 6.2165 km ESE of Namie, Japan · 32090 days ago · 25 km deep · 40 km away
  6. 6.8155 km ESE of Iwaki, Japan · 32082 days ago · 25 km deep · 3 km away
  7. 6.0149 km ESE of Iwaki, Japan · 32082 days ago · 25 km deep · 14 km away
  8. 5.7127 km ESE of Iwaki, Japan · 32081 days ago · 25 km deep · 29 km away
  9. 5.6151 km ESE of Iwaki, Japan · 32081 days ago · 25 km deep · 6 km away
  10. 5.7136 km E of Iwaki, Japan · 32080 days ago · 25 km deep · 23 km away
  11. 6.392 km E of Iwaki, Japan · 32078 days ago · 25 km deep · 71 km away
  12. 5.894 km E of Iwaki, Japan · 32078 days ago · 25 km deep · 71 km away
  13. 5.8off the east coast of Honshu, Japan · 32077 days ago · 25 km deep · 78 km away
  14. 6.5127 km ESE of Iwaki, Japan · 32074 days ago · 25 km deep · 31 km away
  15. 7.099 km E of Iwaki, Japan · 32074 days ago · 30 km deep · 65 km away
  16. 5.9178 km ESE of Namie, Japan · 32071 days ago · 25 km deep · 55 km away
  17. 6.5100 km ESE of Iwaki, Japan · 32070 days ago · 25 km deep · 56 km away
  18. 5.877 km E of Iwaki, Japan · 32069 days ago · 25 km deep · 86 km away
  19. 5.9142 km ESE of Iwaki, Japan · 32064 days ago · 25 km deep · 15 km away
  20. 5.786 km ESE of Iwaki, Japan · 32061 days ago · 25 km deep · 73 km away
  21. 5.859 km E of Iwaki, Japan · 32051 days ago · 25 km deep · 100 km away

Before

  1. 6.4167 km E of Namie, Japan · 32096 days ago · 25 km deep · 80 km away
  2. 6.5127 km E of Iwaki, Japan · 32097 days ago · 25 km deep · 43 km away
  3. 6.364 km E of Iwaki, Japan · 32097 days ago · 25 km deep · 96 km away
  4. 6.8130 km ESE of Namie, Japan · 32097 days ago · 30 km deep · 44 km away
  5. 6.2119 km E of Iwaki, Japan · 32097 days ago · 25 km deep · 49 km away
  6. 7.6141 km ESE of Namie, Japan · 32097 days ago · 25 km deep · 38 km away
  7. 6.3105 km E of Iwaki, Japan · 32097 days ago · 25 km deep · 53 km away
  8. 5.6156 km ESE of Iwaki, Japan · 32097 days ago · 25 km deep · 0 km away
  9. 6.2109 km E of Namie, Japan · 32097 days ago · 25 km deep · 80 km away
  10. 5.8173 km E of Iwaki, Japan · 32097 days ago · 25 km deep · 34 km away
  11. 7.7116 km E of Namie, Japan · 32097 days ago · 30 km deep · 82 km away
  12. 6.0131 km ESE of Namie, Japan · 32098 days ago · 25 km deep · 42 km away
  13. 7.7116 km ESE of Namie, Japan · 32098 days ago · 35 km deep · 60 km away
  14. 7.8105 km E of Iwaki, Japan · 32098 days ago · 35 km deep · 56 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event iscgem902763. Read Tue, Sep 22, 2026, 5:15 PM UTC.