Japan earthquakes

M4.2 earthquake 51 km ESE of Hitachi, Japan

A magnitude 4.2 earthquake struck 51 km ESE of Hitachi, Japan on Sun, Sep 5, 1982, 5:30 AM JST (20:30 UTC), 53 km (33 mi) below the surface.

A larger quake followed: M4.8 71 km ENE of Kashima-shi, 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
4.2 (mb), light
Local time
UTC
1982-09-04 20:30:18 UTC
Depth
53.0 km (32.9 mi), shallow
Epicenter
36.388° N, 141.162° 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.

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 4.611 km SSE of Asahi, Japan · 16094 days ago · 58 km deep · 96 km away
  2. 4.44 km SE of Karasuyama, Japan · 16085 days ago · 123 km deep · 92 km away
  3. 4.871 km ENE of Kashima-shi, Japan · 16082 days ago · 48 km deep · 29 km away
  4. 4.586 km ENE of Hasaki, Japan · 16078 days ago · 33 km deep · 69 km away
  5. 4.2109 km ENE of Hasaki, Japan · 16070 days ago · 33 km deep · 63 km away
  6. 4.744 km ESE of Takahagi, Japan · 16050 days ago · 53 km deep · 23 km away
  7. 4.566 km ESE of Takahagi, Japan · 16049 days ago · 52 km deep · 18 km away
  8. 4.75 km E of Sawara, Japan · 16046 days ago · 46 km deep · 78 km away
  9. 4.351 km ESE of Hasaki, Japan · 16036 days ago · 43 km deep · 87 km away

Before

  1. 4.233 km ESE of ?arai, Japan · 16099 days ago · 42 km deep · 31 km away
  2. 4.250 km ESE of Hitachi, Japan · 16100 days ago · 50 km deep · 2 km away
  3. 4.816 km E of Iwaki, Japan · 16103 days ago · 63 km deep · 77 km away
  4. 5.679 km ESE of Hitachi, Japan · 16108 days ago · 36 km deep · 29 km away
  5. 3.947 km ESE of Hitachi, Japan · 16111 days ago · 52 km deep · 8 km away
  6. 5.436 km ESE of Hitachi, Japan · 16116 days ago · 50 km deep · 17 km away
  7. 5.430 km ESE of Hitachi, Japan · 16118 days ago · 59 km deep · 22 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0001pdm. Read Tue, Sep 29, 2026, 9:08 AM UTC.