Japan earthquakes

M4.5 earthquake 116 km E of Yamada, Japan

A magnitude 4.5 earthquake struck 116 km E of Yamada, Japan on Thu, Sep 6, 1973, 1:03 AM JST (16:03 UTC), 18 km (11 mi) below the surface.

A larger quake followed: M5.9 102 km E of Yamada, Japan. This one was a foreshock.

Yamada 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
4.5 (mb), light
Local time
UTC
1973-09-05 16:03:37 UTC
Depth
18.0 km (11.2 mi), shallow
Epicenter
39.474° N, 143.303° 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
27

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 20 in the 60 days after this one and 4 in the 30 days before it.

After

  1. 3.8111 km E of Yamada, Japan · 19382 days ago · 33 km deep · 5 km away
  2. 3.9104 km E of Yamada, Japan · 19382 days ago · 31 km deep · 12 km away
  3. 4.097 km E of Yamada, Japan · 19382 days ago · 33 km deep · 19 km away
  4. 4.298 km E of Yamada, Japan · 19382 days ago · 33 km deep · 20 km away
  5. 4.097 km E of Yamada, Japan · 19381 days ago · 33 km deep · 19 km away
  6. 4.1100 km E of Yamada, Japan · 19380 days ago · 28 km deep · 16 km away
  7. 4.1136 km ENE of Miyako, Japan · 19380 days ago · 33 km deep · 50 km away
  8. 4.0131 km ENE of Miyako, Japan · 19378 days ago · 25 km deep · 52 km away
  9. 4.6139 km E of Miyako, Japan · 19378 days ago · 23 km deep · 51 km away
  10. 5.9102 km E of Yamada, Japan · 19378 days ago · 23 km deep · 16 km away
  11. 3.9109 km E of Yamada, Japan · 19378 days ago · 34 km deep · 9 km away
  12. 4.0131 km E of Yamada, Japan · 19378 days ago · 37 km deep · 18 km away
  13. 4.3110 km E of Yamada, Japan · 19378 days ago · 29 km deep · 6 km away
  14. 4.1off the east coast of Honshu, Japan · 19378 days ago · 33 km deep · 24 km away
  15. 5.0112 km E of Yamada, Japan · 19378 days ago · 28 km deep · 10 km away
  16. 4.3131 km E of Yamada, Japan · 19377 days ago · 18 km deep · 20 km away
  17. 4.6130 km E of Yamada, Japan · 19377 days ago · 30 km deep · 15 km away
  18. 4.4104 km E of Yamada, Japan · 19376 days ago · 29 km deep · 18 km away
  19. 4.1131 km E of Yamada, Japan · 19362 days ago · 31 km deep · 18 km away
  20. 4.1113 km E of Yamada, Japan · 19327 days ago · 32 km deep · 5 km away

Before

  1. 4.4105 km E of Yamada, Japan · 19382 days ago · 52 km deep · 21 km away
  2. 4.7106 km E of Yamada, Japan · 19382 days ago · 33 km deep · 10 km away
  3. 5.899 km E of Yamada, Japan · 19382 days ago · 41 km deep · 17 km away
  4. 4.3116 km E of Yamada, Japan · 19382 days ago · 45 km deep · 10 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp00003bc. Read Tue, Sep 29, 2026, 9:28 AM UTC.