Japan earthquakes

M4.0 earthquake 60 km E of ?hara, Japan

A magnitude 4.0 earthquake struck 60 km E of ?hara, Japan on Tue, Feb 6, 1973, 5:53 AM JST (20:53 UTC), 20 km (12 mi) below the surface.

A larger quake followed: M4.4 121 km SE of ?hara, 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
4.0 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
1973-02-05 20:53:34 UTC
Depth
20.0 km (12.4 mi), shallow
Epicenter
35.175° N, 141.054° 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
8

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 13 in the 30 days before it.

After

  1. 4.162 km ESE of Katsuura, Japan · 19597 days ago · 34 km deep · 37 km away
  2. 4.2131 km SE of Katsuura, Japan · 19576 days ago · 60 km deep · 89 km away
  3. 4.041 km ESE of ?hara, Japan · 19572 days ago · 53 km deep · 24 km away
  4. 4.4121 km SE of ?hara, Japan · 19568 days ago · 63 km deep · 73 km away
  5. 4.1113 km ESE of Katsuura, Japan · 19567 days ago · 68 km deep · 70 km away
  6. 4.2134 km SE of Katsuura, Japan · 19548 days ago · 58 km deep · 98 km away

Before

  1. 4.243 km ESE of ?hara, Japan · 19597 days ago · 49 km deep · 22 km away
  2. 3.953 km SSE of Hasaki, Japan · 19597 days ago · 22 km deep · 12 km away
  3. 4.353 km ESE of ?hara, Japan · 19597 days ago · 43 km deep · 19 km away
  4. 4.689 km ESE of ?hara, Japan · 19598 days ago · 33 km deep · 32 km away
  5. 4.351 km E of ?hara, Japan · 19599 days ago · 31 km deep · 9 km away
  6. 3.850 km ESE of ?hara, Japan · 19606 days ago · 42 km deep · 18 km away
  7. 4.350 km SE of ?hara, Japan · 19607 days ago · 44 km deep · 28 km away
  8. 4.960 km ESE of Katsuura, Japan · 19613 days ago · 33 km deep · 38 km away
  9. 5.064 km ESE of Katsuura, Japan · 19613 days ago · 20 km deep · 34 km away
  10. 4.656 km ESE of ?hara, Japan · 19613 days ago · 25 km deep · 26 km away
  11. 5.052 km SE of ?hara, Japan · 19613 days ago · 43 km deep · 32 km away
  12. 4.540 km ESE of Katsuura, Japan · 19613 days ago · 56 km deep · 39 km away
  13. 4.852 km SE of Katsuura, Japan · 19613 days ago · 47 km deep · 40 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp00000dm. Read Fri, Oct 2, 2026, 5:27 PM UTC.