Japan earthquakes

M4.2 earthquake 147 km ESE of ?hara, Japan

A magnitude 4.2 earthquake struck 147 km ESE of ?hara, Japan on Sat, Oct 1, 2016, 4:40 PM JST (07:40 UTC), 21 km (13 mi) below the surface.

A larger quake followed: M5.2 111 km ESE 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
4.2 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2016-10-01 07:40:21 UTC
Depth
20.7 km (12.9 mi), shallow
Epicenter
34.649° N, 141.831° 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.

Location uncertainty
About 7.2 km horizontally, 7.0 km in depth
Magnitude uncertainty
±0.15
Depth from
From location
Station coverage gap
131°
Stations used
35

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 10 in the 60 days after this one and 63 in the 30 days before it.

After

  1. 4.9131 km ESE of ?hara, Japan · 3655 days ago · 10 km deep · 16 km away
  2. 4.6134 km ESE of ?hara, Japan · 3655 days ago · 25 km deep · 14 km away
  3. 4.6160 km SE of Hasaki, Japan · 3654 days ago · 30 km deep · 25 km away
  4. 5.2111 km ESE of ?hara, Japan · 3652 days ago · 19 km deep · 36 km away
  5. 4.7119 km ESE of Katsuura, Japan · 3652 days ago · 16 km deep · 35 km away
  6. 4.9144 km ESE of ?hara, Japan · 3651 days ago · 10 km deep · 5 km away
  7. 4.5150 km ESE of ?hara, Japan · 3647 days ago · 10 km deep · 7 km away
  8. 4.4125 km ESE of Katsuura, Japan · 3646 days ago · 5 km deep · 31 km away
  9. 4.3154 km SE of ?hara, Japan · 3643 days ago · 10 km deep · 21 km away
  10. 4.6off the east coast of Honshu, Japan · 3632 days ago · 31 km deep · 34 km away

Before

  1. 4.5156 km ESE of Katsuura, Japan · 3657 days ago · 22 km deep · 27 km away
  2. 5.1151 km ESE of ?hara, Japan · 3657 days ago · 10 km deep · 14 km away · felt by 1
  3. 4.6139 km ESE of ?hara, Japan · 3659 days ago · 21 km deep · 11 km away
  4. 4.5141 km ESE of ?hara, Japan · 3660 days ago · 10 km deep · 15 km away
  5. 4.5152 km ESE of ?hara, Japan · 3661 days ago · 10 km deep · 17 km away
  6. 4.2106 km SSE of Katsuura, Japan · 3661 days ago · 35 km deep · 97 km away
  7. 4.5151 km ESE of ?hara, Japan · 3661 days ago · 10 km deep · 18 km away
  8. 4.6151 km ESE of ?hara, Japan · 3661 days ago · 10 km deep · 9 km away
  9. 4.9133 km ESE of Katsuura, Japan · 3662 days ago · 10 km deep · 26 km away
  10. 4.4156 km ESE of ?hara, Japan · 3662 days ago · 10 km deep · 15 km away
  11. 4.9154 km ESE of ?hara, Japan · 3662 days ago · 10 km deep · 18 km away · felt by 1
  12. 4.6148 km ESE of ?hara, Japan · 3663 days ago · 18 km deep · 13 km away
  13. 4.489 km ESE of ?hara, Japan · 3663 days ago · 42 km deep · 58 km away
  14. 4.4149 km ESE of ?hara, Japan · 3663 days ago · 24 km deep · 12 km away
  15. 4.3off the east coast of Honshu, Japan · 3663 days ago · 10 km deep · 13 km away
  16. 4.7154 km SE of ?hara, Japan · 3663 days ago · 10 km deep · 21 km away · felt by 1
  17. 4.9149 km ESE of ?hara, Japan · 3663 days ago · 10 km deep · 11 km away
  18. 4.6136 km SE of Katsuura, Japan · 3663 days ago · 10 km deep · 36 km away
  19. 5.0103 km SE of Katsuura, Japan · 3663 days ago · 10 km deep · 55 km away
  20. 4.7156 km ESE of ?hara, Japan · 3663 days ago · 10 km deep · 11 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us10006uc8. Read Sun, Oct 4, 2026, 5:10 PM UTC.