Japan earthquakes

M4.3 earthquake 8 km E of Omigawa, Japan

A magnitude 4.3 earthquake struck 8 km E of Omigawa, Japan on Wed, Mar 15, 2017, 4:30 PM JST (07:30 UTC), 61 km (38 mi) below the surface.

A larger quake followed: M4.8 7 km WSW of Ishioka, 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
4.3 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2017-03-15 07:30:33 UTC
Depth
60.9 km (37.8 mi), shallow
Epicenter
35.837° N, 140.708° E
Region
Japan
Felt reports
6
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

6 people reported to the USGS what they felt; the strongest reported shaking was III, weak shaking.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 8.2 km horizontally, 8.6 km in depth
Magnitude uncertainty
±0.15
Depth from
From location
Station coverage gap
135°
Stations used
32

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 11 in the 60 days after this one and 9 in the 30 days before it.

After

  1. 4.429 km NE of Hasaki, Japan · 3490 days ago · 50 km deep · 32 km away
  2. 4.57 km WNW of Itako, Japan · 3489 days ago · 56 km deep · 26 km away · felt by 5
  3. 4.53 km SSE of Sakura, Japan · 3487 days ago · 60 km deep · 45 km away
  4. 4.314 km S of Asahi, Japan · 3484 days ago · 59 km deep · 28 km away · felt by 9
  5. 4.126 km ESE of Kitaibaraki, Japan · 3483 days ago · 47 km deep · 98 km away · felt by 2
  6. 4.34 km NNW of Mitsukaid?, Japan · 3482 days ago · 55 km deep · 72 km away · felt by 15
  7. 4.87 km WSW of Ishioka, Japan · 3463 days ago · 63 km deep · 59 km away · felt by 81
  8. 4.45 km ESE of Chiba, Japan · 3460 days ago · 66 km deep · 57 km away · felt by 26
  9. 4.48 km SSE of Tokyo, Japan · 3459 days ago · 119 km deep · 92 km away
  10. 4.57 km WSW of Yachimata, Japan · 3445 days ago · 61 km deep · 48 km away · felt by 9
  11. 4.26 km NNW of Motegi, Japan · 3444 days ago · 116 km deep · 95 km away

Before

  1. 4.132 km ESE of Hasaki, Japan · 3501 days ago · 33 km deep · 47 km away · felt by 1
  2. 4.88 km SSE of Hasaki, Japan · 3501 days ago · 44 km deep · 24 km away · felt by 33
  3. 4.234 km E of ?arai, Japan · 3505 days ago · 59 km deep · 56 km away · felt by 1
  4. 3.821 km NE of Hasaki, Japan · 3507 days ago · 33 km deep · 28 km away · felt by 3
  5. 4.19 km NNE of Sakai, Japan · 3508 days ago · 56 km deep · 88 km away · felt by 19
  6. 4.343 km ESE of Hitachi, Japan · 3508 days ago · 36 km deep · 74 km away · felt by 2
  7. 4.36 km NE of Mitsukaid?, Japan · 3509 days ago · 55 km deep · 66 km away · felt by 2
  8. 5.410 km SW of Hasaki, Japan · 3515 days ago · 42 km deep · 20 km away · felt by 127
  9. 4.45 km NW of Sakura, Japan · 3516 days ago · 67 km deep · 48 km away · felt by 8

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us20008scs. Read Mon, Oct 5, 2026, 1:55 AM UTC.