Japan earthquakes

M4.2 earthquake 88 km E of Namie, Japan

A magnitude 4.2 earthquake struck 88 km E of Namie, Japan on Sun, Jul 23, 2017, 10:16 PM JST (13:16 UTC), 28 km (18 mi) below the surface.

A larger quake followed: M5.4 58 km ESE of Namie, Japan. This one was a foreshock.

Namie 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
4.2 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2017-07-23 13:16:43 UTC
Depth
28.3 km (17.6 mi), shallow
Epicenter
37.457° N, 141.995° 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 6.7 km horizontally, 8.1 km in depth
Magnitude uncertainty
±0.31
Depth from
From location
Station coverage gap
143°
Stations used
18

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 11 in the 30 days before it.

After

  1. 4.1117 km ESE of Iwaki, Japan · 3359 days ago · 38 km deep · 78 km away
  2. 4.351 km ESE of Ishinomaki, Japan · 3359 days ago · 54 km deep · 87 km away
  3. 4.436 km ENE of Namie, Japan · 3358 days ago · 53 km deep · 54 km away · felt by 2
  4. 4.329 km ESE of Ishinomaki, Japan · 3353 days ago · 49 km deep · 99 km away
  5. 4.655 km E of Namie, Japan · 3328 days ago · 42 km deep · 33 km away
  6. 4.5115 km ESE of Namie, Japan · 3326 days ago · 36 km deep · 33 km away
  7. 4.357 km SE of Ishinomaki, Japan · 3312 days ago · 68 km deep · 67 km away
  8. 4.280 km SE of Ishinomaki, Japan · 3311 days ago · 42 km deep · 48 km away
  9. 4.3122 km ESE of Ishinomaki, Japan · 3307 days ago · 33 km deep · 77 km away
  10. 4.927 km SE of Namie, Japan · 3305 days ago · 55 km deep · 67 km away
  11. 5.458 km ESE of Namie, Japan · 3302 days ago · 47 km deep · 37 km away · felt by 31

Before

  1. 4.355 km ESE of Namie, Japan · 3364 days ago · 35 km deep · 36 km away · felt by 1
  2. 5.852 km E of Namie, Japan · 3364 days ago · 31 km deep · 36 km away · felt by 112
  3. 4.473 km ENE of Namie, Japan · 3369 days ago · 41 km deep · 37 km away · felt by 1
  4. 4.230 km SE of Ishinomaki, Japan · 3372 days ago · 55 km deep · 96 km away · felt by 1
  5. 4.531 km ENE of Namie, Japan · 3373 days ago · 36 km deep · 57 km away
  6. 4.313 km S of Namie, Japan · 3373 days ago · 38 km deep · 90 km away
  7. 4.384 km ESE of Ishinomaki, Japan · 3373 days ago · 40 km deep · 93 km away
  8. 4.226 km ENE of Iwaki, Japan · 3375 days ago · 41 km deep · 82 km away
  9. 4.556 km E of Namie, Japan · 3376 days ago · 39 km deep · 32 km away
  10. 4.834 km ESE of Marumori, Japan · 3377 days ago · 64 km deep · 85 km away · felt by 34
  11. 4.380 km E of Iwaki, Japan · 3385 days ago · 41 km deep · 57 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000a1t3. Read Mon, Oct 5, 2026, 2:57 AM UTC.