Japan earthquakes

M4.8 earthquake 33 km ESE of Ishinomaki, Japan

A magnitude 4.8 earthquake struck 33 km ESE of Ishinomaki, Japan on Mon, Oct 9, 2017, 11:47 PM JST (14:47 UTC), 49 km (30 mi) below the surface.

A larger quake followed: M4.9 57 km E of Ishinomaki, Japan. This one was a foreshock.

Ishinomaki 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
4.8 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2017-10-09 14:47:19 UTC
Depth
49.0 km (30.4 mi), shallow
Epicenter
38.300° N, 141.659° E
Region
Japan
Felt reports
5
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

5 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 6.7 km horizontally, 7.1 km in depth
Magnitude uncertainty
±0.11
Depth from
From location
Station coverage gap
122°
Stations used
44

Nearest places

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

Nearby

Within 100 km, magnitude 1.8 and up: 11 in the 60 days after this one and 3 in the 30 days before it.

After

  1. 4.483 km E of Namie, Japan · 3267 days ago · 40 km deep · 94 km away
  2. 4.556 km E of Namie, Japan · 3259 days ago · 43 km deep · 95 km away
  3. 4.483 km SE of ?funato, Japan · 3255 days ago · 41 km deep · 55 km away
  4. 4.957 km E of Ishinomaki, Japan · 3250 days ago · 46 km deep · 26 km away · felt by 7
  5. 4.4105 km E of Ishinomaki, Japan · 3243 days ago · 60 km deep · 73 km away
  6. 4.343 km ESE of Ishinomaki, Japan · 3238 days ago · 50 km deep · 9 km away
  7. 4.456 km ESE of Ishinomaki, Japan · 3236 days ago · 58 km deep · 24 km away
  8. 4.415 km NE of Namie, Japan · 3234 days ago · 32 km deep · 92 km away
  9. 4.669 km SE of Kamaishi, Japan · 3227 days ago · 44 km deep · 99 km away
  10. 4.585 km ENE of Namie, Japan · 3226 days ago · 35 km deep · 72 km away
  11. 4.460 km ESE of Ishinomaki, Japan · 3224 days ago · 58 km deep · 28 km away

Before

  1. 4.3122 km ESE of Ishinomaki, Japan · 3307 days ago · 33 km deep · 89 km away
  2. 4.280 km SE of Ishinomaki, Japan · 3311 days ago · 42 km deep · 52 km away
  3. 4.357 km SE of Ishinomaki, Japan · 3312 days ago · 68 km deep · 32 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000b31j. Read Mon, Oct 5, 2026, 2:26 AM UTC.