M4.6 earthquake 61 km WNW of Yonakuni, Japan
A magnitude 4.6 earthquake struck 61 km WNW of Yonakuni, Japan on Sat, Jun 15, 1985, 6:02 PM GMT+8 (10:02 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M5.5 42 km SSE of Yilan, Taiwan. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.6 (mb), light
- Local time
- UTC
- 1985-06-15 10:02:26 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 24.611° N, 122.410° 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
- OPERATOR_ASSIGNED
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 and up: 13 in the 60 days after this one and 8 in the 30 days before it.
After
- 4.356 km WNW of Yonakuni, Japan · 15079 days ago · 10 km deep · 10 km away
- 4.372 km SW of Yonakuni, Japan · 15077 days ago · 32 km deep · 65 km away
- 4.263 km WNW of Yonakuni, Japan · 15075 days ago · 10 km deep · 2 km away
- 3.742 km ESE of Yilan, Taiwan · 15063 days ago · 10 km deep · 28 km away
- 4.864 km WNW of Yonakuni, Japan · 15060 days ago · 10 km deep · 3 km away
- 4.828 km NNE of Hualien City, Taiwan · 15054 days ago · 35 km deep · 81 km away
- 4.078 km E of Hualien City, Taiwan · 15051 days ago · 33 km deep · 79 km away
- 3.850 km ESE of Jiufen, Taiwan · 15042 days ago · 105 km deep · 39 km away
- 5.542 km SSE of Yilan, Taiwan · 15028 days ago · 10 km deep · 58 km away
- 4.841 km S of Yilan, Taiwan · 15028 days ago · 10 km deep · 67 km away
- 4.444 km SSE of Yilan, Taiwan · 15028 days ago · 10 km deep · 47 km away
- 3.738 km SSE of Yilan, Taiwan · 15026 days ago · 10 km deep · 62 km away
- 4.48 km N of Yilan, Taiwan · 15022 days ago · 32 km deep · 70 km away
Before
- 3.933 km SE of Yilan, Taiwan · 15079 days ago · 10 km deep · 39 km away
- 3.963 km WNW of Yonakuni, Japan · 15079 days ago · 10 km deep · 8 km away
- 4.158 km ESE of Yilan, Taiwan · 15081 days ago · 10 km deep · 19 km away
- 4.363 km ESE of Yilan, Taiwan · 15082 days ago · 10 km deep · 18 km away
- 5.938 km ESE of Yilan, Taiwan · 15082 days ago · 28 km deep · 34 km away
- 4.360 km ESE of Yilan, Taiwan · 15082 days ago · 30 km deep · 7 km away
- 4.268 km SW of Yonakuni, Japan · 15094 days ago · 33 km deep · 72 km away
- 3.732 km E of Yilan, Taiwan · 15095 days ago · 109 km deep · 41 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002fvf. Read Sun, Sep 27, 2026, 6:35 PM UTC.