Japan earthquakes

M4.0 earthquake 131 km E of Yamada, Japan

A magnitude 4.0 earthquake struck 131 km E of Yamada, Japan on Mon, Sep 10, 1973, 3:44 AM JST (18:44 UTC), 37 km (23 mi) below the surface.

A larger quake followed: M5.0 112 km E of Yamada, Japan. This one was a foreshock.

Yamada forecastMore in Japan

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

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The earthquake

Magnitude
4.0 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
1973-09-09 18:44:17 UTC
Depth
37.0 km (23.0 mi), shallow
Epicenter
39.384° N, 143.473° 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.

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: 8 in the 60 days after this one and 16 in the 30 days before it.

After

  1. 4.3110 km E of Yamada, Japan · 19380 days ago · 29 km deep · 24 km away
  2. 4.1off the east coast of Honshu, Japan · 19380 days ago · 33 km deep · 10 km away
  3. 5.0112 km E of Yamada, Japan · 19380 days ago · 28 km deep · 19 km away
  4. 4.3131 km E of Yamada, Japan · 19380 days ago · 18 km deep · 5 km away
  5. 4.6130 km E of Yamada, Japan · 19379 days ago · 30 km deep · 7 km away
  6. 4.4104 km E of Yamada, Japan · 19378 days ago · 29 km deep · 35 km away
  7. 4.1131 km E of Yamada, Japan · 19364 days ago · 31 km deep · 0 km away
  8. 4.1113 km E of Yamada, Japan · 19330 days ago · 32 km deep · 22 km away

Before

  1. 3.9109 km E of Yamada, Japan · 19380 days ago · 34 km deep · 22 km away
  2. 5.9102 km E of Yamada, Japan · 19380 days ago · 23 km deep · 33 km away
  3. 4.6139 km E of Miyako, Japan · 19381 days ago · 23 km deep · 57 km away
  4. 4.0131 km ENE of Miyako, Japan · 19381 days ago · 25 km deep · 61 km away
  5. 4.1136 km ENE of Miyako, Japan · 19382 days ago · 33 km deep · 58 km away
  6. 4.1100 km E of Yamada, Japan · 19383 days ago · 28 km deep · 32 km away
  7. 4.097 km E of Yamada, Japan · 19384 days ago · 33 km deep · 36 km away
  8. 4.298 km E of Yamada, Japan · 19384 days ago · 33 km deep · 37 km away
  9. 4.097 km E of Yamada, Japan · 19384 days ago · 33 km deep · 35 km away
  10. 3.9104 km E of Yamada, Japan · 19384 days ago · 31 km deep · 29 km away
  11. 3.8111 km E of Yamada, Japan · 19384 days ago · 33 km deep · 22 km away
  12. 4.5116 km E of Yamada, Japan · 19384 days ago · 18 km deep · 18 km away
  13. 4.4105 km E of Yamada, Japan · 19384 days ago · 52 km deep · 28 km away
  14. 4.7106 km E of Yamada, Japan · 19384 days ago · 33 km deep · 27 km away
  15. 5.899 km E of Yamada, Japan · 19384 days ago · 41 km deep · 33 km away
  16. 4.3116 km E of Yamada, Japan · 19385 days ago · 45 km deep · 15 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp00003ct. Read Thu, Oct 1, 2026, 9:06 PM UTC.