Japan earthquakes

M4.6 earthquake 55 km E of Namie, Japan

A magnitude 4.6 earthquake struck 55 km E of Namie, Japan on Fri, Aug 25, 2017, 2:18 AM JST (17:18 UTC), 42 km (26 mi) below the surface.

A larger quake followed: M5.6 17 km ENE of Iwaki, 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
4.6 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2017-08-24 17:18:53 UTC
Depth
42.1 km (26.2 mi), shallow
Epicenter
37.475° N, 141.627° 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 6.1 km horizontally, 7.1 km in depth
Magnitude uncertainty
±0.07
Depth from
From location
Station coverage gap
138°
Stations used
85

Nearest places

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

Nearby

Within 100 km, magnitude 1.6 and up: 12 in the 60 days after this one and 1 in the 30 days before it.

After

  1. 4.5115 km ESE of Namie, Japan · 3326 days ago · 36 km deep · 62 km away
  2. 4.357 km SE of Ishinomaki, Japan · 3312 days ago · 68 km deep · 61 km away
  3. 4.280 km SE of Ishinomaki, Japan · 3311 days ago · 42 km deep · 53 km away
  4. 4.927 km SE of Namie, Japan · 3305 days ago · 55 km deep · 37 km away
  5. 5.458 km ESE of Namie, Japan · 3302 days ago · 47 km deep · 19 km away · felt by 31
  6. 4.843 km E of Namie, Japan · 3294 days ago · 52 km deep · 14 km away · felt by 6
  7. 4.127 km E of Kitaibaraki, Japan · 3289 days ago · 62 km deep · 89 km away
  8. 5.617 km ENE of Iwaki, Japan · 3286 days ago · 44 km deep · 64 km away · felt by 158
  9. 4.833 km ESE of Ishinomaki, Japan · 3283 days ago · 49 km deep · 92 km away · felt by 5
  10. 5.0111 km ESE of Iwaki, Japan · 3280 days ago · 16 km deep · 90 km away · felt by 12
  11. 4.614 km ENE of Iwaki, Japan · 3273 days ago · 51 km deep · 66 km away · felt by 7
  12. 4.978 km E of Namie, Japan · 3270 days ago · 35 km deep · 24 km away

Before

  1. 4.329 km ESE of Ishinomaki, Japan · 3353 days ago · 49 km deep · 91 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000abe5. Read Mon, Oct 5, 2026, 2:57 AM UTC.