Japan earthquakes

M4.3 earthquake 88 km NNW of Naze, Japan

A magnitude 4.3 earthquake struck 88 km NNW of Naze, Japan on Mon, Mar 16, 1981, 5:22 AM JST (20:22 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M5.4 111 km N of Naze, Japan. This one was a foreshock.

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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
4.3 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
1981-03-15 20:22:36 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
29.117° N, 129.167° 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.

Depth from
OPERATOR_ASSIGNED

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 15 in the 60 days after this one and 1 in the 30 days before it.

After

  1. 4.697 km N of Naze, Japan · 16638 days ago · 33 km deep · 27 km away
  2. 4.888 km N of Naze, Japan · 16638 days ago · 33 km deep · 28 km away
  3. 4.3108 km N of Naze, Japan · 16638 days ago · 33 km deep · 45 km away
  4. 4.6105 km N of Naze, Japan · 16638 days ago · 33 km deep · 31 km away
  5. 5.176 km NNW of Tatsugō, Japan · 16638 days ago · 21 km deep · 12 km away
  6. 4.5Ryukyu Islands, Japan · 16638 days ago · 33 km deep · 30 km away
  7. 4.7109 km N of Naze, Japan · 16638 days ago · 33 km deep · 34 km away
  8. 5.389 km N of Tatsugō, Japan · 16638 days ago · 56 km deep · 44 km away
  9. 4.494 km N of Naze, Japan · 16638 days ago · 33 km deep · 23 km away
  10. 5.2107 km N of Naze, Japan · 16638 days ago · 33 km deep · 30 km away
  11. 4.6107 km N of Naze, Japan · 16637 days ago · 33 km deep · 35 km away
  12. 5.379 km N of Tatsugō, Japan · 16637 days ago · 21 km deep · 41 km away
  13. 5.4111 km N of Naze, Japan · 16636 days ago · 33 km deep · 38 km away
  14. 4.6117 km N of Naze, Japan · 16631 days ago · 33 km deep · 52 km away
  15. 5.0108 km N of Naze, Japan · 16605 days ago · 33 km deep · 32 km away

Before

  1. 5.99 km SW of Naze, Japan · 16658 days ago · 43 km deep · 92 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0001cqj. Read Sun, Oct 4, 2026, 5:52 AM UTC.