Japan earthquakes

M6.0 earthquake 149 km ESE of Iwaki, Japan

A magnitude 6.0 earthquake struck 149 km ESE of Iwaki, Japan on Tue, Nov 22, 1938, 12:23 PM JST (03:23 UTC), 25 km (16 mi) below the surface.

A larger quake followed: M7.0 99 km E 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
6.0 (Mw, moment), strong
Magnitude from
ISC-GEM global catalog
Local time
UTC
1938-11-22 03:23:40 UTC
Depth
25.0 km (15.5 mi), shallow
Epicenter
36.589° N, 142.461° 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
±0.25
Depth from
From location

Nearest places

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

Nearby

Within 100 km, magnitude 3.0 and up: 15 in the 60 days after this one and 21 in the 30 days before it.

After

  1. 5.7127 km ESE of Iwaki, Japan · 32090 days ago · 25 km deep · 26 km away
  2. 5.6151 km ESE of Iwaki, Japan · 32090 days ago · 25 km deep · 10 km away
  3. 5.7136 km E of Iwaki, Japan · 32089 days ago · 25 km deep · 27 km away
  4. 6.392 km E of Iwaki, Japan · 32087 days ago · 25 km deep · 69 km away
  5. 5.894 km E of Iwaki, Japan · 32087 days ago · 25 km deep · 70 km away
  6. 5.8off the east coast of Honshu, Japan · 32086 days ago · 25 km deep · 88 km away
  7. 6.5127 km ESE of Iwaki, Japan · 32083 days ago · 25 km deep · 23 km away
  8. 7.099 km E of Iwaki, Japan · 32083 days ago · 30 km deep · 64 km away
  9. 5.9178 km ESE of Namie, Japan · 32080 days ago · 25 km deep · 69 km away
  10. 6.5100 km ESE of Iwaki, Japan · 32079 days ago · 25 km deep · 50 km away
  11. 5.877 km E of Iwaki, Japan · 32079 days ago · 25 km deep · 84 km away
  12. 5.859 km E of Iwaki, Japan · 32077 days ago · 25 km deep · 100 km away
  13. 5.9142 km ESE of Iwaki, Japan · 32073 days ago · 25 km deep · 11 km away
  14. 5.786 km ESE of Iwaki, Japan · 32070 days ago · 25 km deep · 65 km away
  15. 5.859 km E of Iwaki, Japan · 32060 days ago · 25 km deep · 96 km away

Before

  1. 6.8155 km ESE of Iwaki, Japan · 32091 days ago · 25 km deep · 11 km away
  2. 6.2165 km ESE of Namie, Japan · 32099 days ago · 25 km deep · 53 km away
  3. 7.1200 km ESE of Iwaki, Japan · 32099 days ago · 35 km deep · 51 km away
  4. 5.8129 km ESE of Iwaki, Japan · 32103 days ago · 25 km deep · 22 km away
  5. 6.9174 km ESE of Iwaki, Japan · 32103 days ago · 15 km deep · 25 km away
  6. 5.6132 km E of Namie, Japan · 32104 days ago · 25 km deep · 76 km away
  7. 6.5156 km ESE of Iwaki, Japan · 32105 days ago · 30 km deep · 14 km away
  8. 6.4167 km E of Namie, Japan · 32105 days ago · 25 km deep · 93 km away
  9. 6.5127 km E of Iwaki, Japan · 32106 days ago · 25 km deep · 47 km away
  10. 6.364 km E of Iwaki, Japan · 32106 days ago · 25 km deep · 93 km away
  11. 6.8130 km ESE of Namie, Japan · 32106 days ago · 30 km deep · 50 km away
  12. 6.2119 km E of Iwaki, Japan · 32106 days ago · 25 km deep · 52 km away
  13. 7.6141 km ESE of Namie, Japan · 32106 days ago · 25 km deep · 47 km away
  14. 6.3105 km E of Iwaki, Japan · 32106 days ago · 25 km deep · 50 km away
  15. 5.6156 km ESE of Iwaki, Japan · 32106 days ago · 25 km deep · 14 km away
  16. 6.2109 km E of Namie, Japan · 32106 days ago · 25 km deep · 86 km away
  17. 5.8173 km E of Iwaki, Japan · 32106 days ago · 25 km deep · 49 km away
  18. 7.7116 km E of Namie, Japan · 32106 days ago · 30 km deep · 89 km away
  19. 6.0131 km ESE of Namie, Japan · 32107 days ago · 25 km deep · 49 km away
  20. 7.7116 km ESE of Namie, Japan · 32107 days ago · 35 km deep · 65 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event iscgem902818. Read Thu, Oct 1, 2026, 6:08 PM UTC.