Japan earthquakes

M5.1 earthquake 14 km NW of Yonakuni, Japan

A magnitude 5.1 earthquake struck 14 km NW of Yonakuni, Japan on Tue, Sep 10, 1985, 4:57 PM GMT+8 (08:57 UTC), 106 km (66 mi) below the surface.

A larger quake followed: M5.5 56 km ESE of Yilan, Taiwan. This one was a foreshock.

Yilan 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
5.1 (mb), moderate
Local time
UTC
1985-09-10 08:57:29 UTC
Depth
105.8 km (65.7 mi), intermediate-depth
Epicenter
24.553° N, 122.890° 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.

Depth from
FROM_LOCATION

Nearest places

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

Nearby

Within 100 km, magnitude 2.1 and up: 12 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 4.972 km SW of Yonakuni, Japan · 14991 days ago · 35 km deep · 75 km away
  2. 4.049 km ESE of Yilan, Taiwan · 14985 days ago · 10 km deep · 74 km away
  3. 5.556 km ESE of Yilan, Taiwan · 14985 days ago · 18 km deep · 62 km away
  4. 3.742 km W of Ishigaki, Japan · 14974 days ago · 33 km deep · 88 km away
  5. 4.224 km E of Yilan, Taiwan · 14971 days ago · 10 km deep · 93 km away
  6. 4.251 km NE of Hualien City, Taiwan · 14950 days ago · 20 km deep · 96 km away
  7. 4.017 km W of Yonakuni, Japan · 14949 days ago · 93 km deep · 10 km away
  8. 4.149 km ESE of Yilan, Taiwan · 14946 days ago · 10 km deep · 70 km away
  9. 5.243 km E of Yilan, Taiwan · 14942 days ago · 84 km deep · 76 km away
  10. 4.711 km S of Yonakuni, Japan · 14941 days ago · 52 km deep · 24 km away
  11. 4.825 km E of Yilan, Taiwan · 14937 days ago · 90 km deep · 91 km away
  12. 4.766 km SE of Yilan, Taiwan · 14936 days ago · 27 km deep · 70 km away

Before

  1. 3.820 km N of Yonakuni, Japan · 15004 days ago · 33 km deep · 14 km away
  2. 3.745 km SE of Yilan, Taiwan · 15006 days ago · 28 km deep · 87 km away
  3. 4.554 km ESE of Yilan, Taiwan · 15006 days ago · 10 km deep · 66 km away
  4. 4.668 km ENE of Hualien City, Taiwan · 15007 days ago · 43 km deep · 79 km away
  5. 4.152 km WNW of Yonakuni, Japan · 15010 days ago · 10 km deep · 39 km away
  6. 4.965 km NE of Yonakuni, Japan · 15020 days ago · 118 km deep · 69 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0002jkr. Read Wed, Sep 30, 2026, 4:17 AM UTC.