M4.5 earthquake 57 km SSE of Yonakuni, Japan
A magnitude 4.5 earthquake struck 57 km SSE of Yonakuni, Japan on Thu, Apr 3, 1986, 1:22 AM JST (16:22 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M4.7 44 km NNE of Yonakuni, Japan. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.5 (mb), light
- Local time
- UTC
- 1986-04-02 16:22:36 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 23.989° N, 123.210° 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 1.5 and up: 9 in the 60 days after this one and 100 in the 30 days before it.
After
- 4.327 km NNW of Yonakuni, Japan · 14783 days ago · 33 km deep · 85 km away
- 3.944 km NNE of Yonakuni, Japan · 14783 days ago · 33 km deep · 93 km away
- 4.744 km NNE of Yonakuni, Japan · 14781 days ago · 30 km deep · 91 km away
- 4.429 km SE of Yonakuni, Japan · 14777 days ago · 33 km deep · 32 km away
- 5.054 km NE of Yonakuni, Japan · 14766 days ago · 29 km deep · 94 km away
- 4.011 km ESE of Yonakuni, Japan · 14764 days ago · 33 km deep · 52 km away
- 4.515 km N of Yonakuni, Japan · 14764 days ago · 33 km deep · 71 km away
- 4.339 km WNW of Yonakuni, Japan · 14764 days ago · 29 km deep · 90 km away
- 4.4118 km SSW of Ishigaki, Japan · 14749 days ago · 33 km deep · 85 km away
Before
- 4.638 km NNW of Yonakuni, Japan · 14786 days ago · 33 km deep · 96 km away
- 5.039 km NNW of Yonakuni, Japan · 14787 days ago · 33 km deep · 97 km away
- 4.434 km NNW of Yonakuni, Japan · 14788 days ago · 33 km deep · 92 km away
- 3.8Taiwan region · 14788 days ago · 33 km deep · 92 km away
- 4.438 km NNE of Yonakuni, Japan · 14788 days ago · 33 km deep · 88 km away
- 4.439 km NW of Yonakuni, Japan · 14789 days ago · 33 km deep · 95 km away
- 4.333 km NNW of Yonakuni, Japan · 14789 days ago · 33 km deep · 91 km away
- 4.448 km NE of Yonakuni, Japan · 14790 days ago · 33 km deep · 92 km away
- 4.424 km N of Yonakuni, Japan · 14790 days ago · 33 km deep · 81 km away
- 5.031 km NNW of Yonakuni, Japan · 14790 days ago · 32 km deep · 88 km away
- 4.845 km NNE of Yonakuni, Japan · 14791 days ago · 33 km deep · 94 km away
- 4.365 km WSW of Yonakuni, Japan · 14791 days ago · 33 km deep · 89 km away
- 4.837 km NW of Yonakuni, Japan · 14791 days ago · 33 km deep · 93 km away
- 5.242 km NNE of Yonakuni, Japan · 14791 days ago · 31 km deep · 92 km away
- 5.039 km NNW of Yonakuni, Japan · 14792 days ago · 33 km deep · 97 km away
- 4.341 km NE of Yonakuni, Japan · 14792 days ago · 33 km deep · 87 km away
- 4.537 km NE of Yonakuni, Japan · 14792 days ago · 33 km deep · 80 km away
- 4.652 km NE of Yonakuni, Japan · 14792 days ago · 33 km deep · 93 km away
- 5.127 km N of Yonakuni, Japan · 14793 days ago · 26 km deep · 83 km away
- 4.941 km NNE of Yonakuni, Japan · 14793 days ago · 33 km deep · 92 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002sk4. Read Tue, Sep 22, 2026, 10:30 PM UTC.