Japan earthquakes

M4.4 earthquake 28 km E of ?arai, Japan

A magnitude 4.4 earthquake struck 28 km E of ?arai, Japan on Mon, Oct 10, 2016, 7:15 AM JST (22:15 UTC), 40 km (25 mi) below the surface.

A larger quake followed: M5.3 7 km S of Sawara, Japan. This one was a foreshock.

Ōarai 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
4.4 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2016-10-09 22:15:32 UTC
Depth
39.9 km (24.8 mi), shallow
Epicenter
36.357° N, 140.898° E
Region
Japan
Tsunami flag
No
Status
Reviewed by a seismologist

What happened

The USGS’s account of the effects of this earthquake.

Recorded (2 JMA) in Ibaraki.

From the USGS event page for us20007e5p. U.S. Geological Survey text and figures are in the public domain.

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 3.0 km horizontally, 8.7 km in depth
Magnitude uncertainty
±0.17
Depth from
From location
Station coverage gap
99°
Stations used
22

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 22 in the 60 days after this one and 3 in the 30 days before it.

After

  1. 4.48 km SW of Ishioka, Japan · 3637 days ago · 51 km deep · 68 km away · felt by 7
  2. 5.37 km S of Sawara, Japan · 3637 days ago · 19 km deep · 69 km away · felt by 82
  3. 4.48 km ESE of Omigawa, Japan · 3633 days ago · 43 km deep · 61 km away
  4. 4.659 km ESE of Iwaki, Japan · 3631 days ago · 26 km deep · 79 km away
  5. 4.2near the east coast of Honshu, Japan · 3630 days ago · 59 km deep · 99 km away · felt by 42
  6. 4.255 km ESE of Hitachi, Japan · 3617 days ago · 35 km deep · 28 km away
  7. 4.717 km N of Hasaki, Japan · 3611 days ago · 40 km deep · 52 km away · felt by 12
  8. 4.123 km ENE of Hasaki, Japan · 3606 days ago · 43 km deep · 59 km away
  9. 5.023 km NNE of Hasaki, Japan · 3605 days ago · 19 km deep · 49 km away · felt by 27
  10. 4.531 km NE of Iwaki, Japan · 3604 days ago · 15 km deep · 98 km away
  11. 5.051 km E of Iwaki, Japan · 3604 days ago · 10 km deep · 100 km away
  12. 5.134 km ENE of Iwaki, Japan · 3604 days ago · 10 km deep · 98 km away
  13. 4.337 km E of Iwaki, Japan · 3603 days ago · 10 km deep · 84 km away
  14. 4.330 km ENE of Iwaki, Japan · 3603 days ago · 10 km deep · 89 km away
  15. 4.149 km ENE of Iwaki, Japan · 3603 days ago · 26 km deep · 100 km away
  16. 3.939 km E of Iwaki, Japan · 3603 days ago · 10 km deep · 89 km away
  17. 4.652 km E of Iwaki, Japan · 3602 days ago · 17 km deep · 97 km away
  18. 4.540 km ENE of Iwaki, Japan · 3602 days ago · 10 km deep · 99 km away
  19. 4.241 km ENE of Iwaki, Japan · 3602 days ago · 13 km deep · 98 km away
  20. 4.443 km ENE of Iwaki, Japan · 3602 days ago · 10 km deep · 96 km away
  21. 4.841 km ENE of Iwaki, Japan · 3602 days ago · 10 km deep · 98 km away · felt by 1
  22. 4.322 km ENE of Iwaki, Japan · 3601 days ago · 9 km deep · 90 km away

Before

  1. 4.5109 km NE of Hasaki, Japan · 3664 days ago · 33 km deep · 84 km away
  2. 4.524 km SE of Hasaki, Japan · 3669 days ago · 10 km deep · 87 km away · felt by 17
  3. 4.64 km W of Sakura, Japan · 3674 days ago · 60 km deep · 96 km away · felt by 38

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us20007e5p. Read Sun, Oct 4, 2026, 6:41 PM UTC.