M4.4 earthquake 29 km SE of Yonakuni, Japan
A magnitude 4.4 earthquake struck 29 km SE of Yonakuni, Japan on Wed, Apr 9, 1986, 1:28 PM JST (04:28 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M5.3 72 km SSE 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
- 4.4 (mb), light
- Local time
- UTC
- 1986-04-09 04:28:57 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 24.277° N, 123.207° 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: 8 in the 60 days after this one and 129 in the 30 days before it.
After
- 5.054 km NE of Yonakuni, Japan · 14773 days ago · 29 km deep · 63 km away
- 5.162 km NE of Yonakuni, Japan · 14773 days ago · 33 km deep · 72 km away
- 4.011 km ESE of Yonakuni, Japan · 14771 days ago · 33 km deep · 21 km away
- 4.515 km N of Yonakuni, Japan · 14771 days ago · 33 km deep · 42 km away
- 4.339 km WNW of Yonakuni, Japan · 14771 days ago · 29 km deep · 68 km away
- 4.576 km NE of Yonakuni, Japan · 14757 days ago · 72 km deep · 82 km away
- 4.850 km N of Yonakuni, Japan · 14744 days ago · 33 km deep · 73 km away
- 5.372 km SSE of Yonakuni, Japan · 14729 days ago · 39 km deep · 44 km away
Before
- 4.788 km NE of Yonakuni, Japan · 14784 days ago · 11 km deep · 99 km away
- 4.361 km N of Yonakuni, Japan · 14787 days ago · 33 km deep · 85 km away
- 4.744 km NNE of Yonakuni, Japan · 14788 days ago · 30 km deep · 59 km away
- 3.944 km NNE of Yonakuni, Japan · 14789 days ago · 33 km deep · 61 km away
- 4.327 km NNW of Yonakuni, Japan · 14790 days ago · 33 km deep · 56 km away
- 4.557 km SSE of Yonakuni, Japan · 14790 days ago · 33 km deep · 32 km away
- 4.638 km NNW of Yonakuni, Japan · 14793 days ago · 33 km deep · 68 km away
- 5.039 km NNW of Yonakuni, Japan · 14794 days ago · 33 km deep · 67 km away
- 4.462 km NNE of Yonakuni, Japan · 14794 days ago · 33 km deep · 78 km away
- 4.434 km NNW of Yonakuni, Japan · 14794 days ago · 33 km deep · 62 km away
- 3.8Taiwan region · 14795 days ago · 33 km deep · 63 km away
- 4.438 km NNE of Yonakuni, Japan · 14795 days ago · 33 km deep · 56 km away
- 4.659 km NE of Yonakuni, Japan · 14796 days ago · 33 km deep · 71 km away
- 4.439 km NW of Yonakuni, Japan · 14796 days ago · 33 km deep · 70 km away
- 4.948 km N of Yonakuni, Japan · 14796 days ago · 33 km deep · 71 km away
- 4.333 km NNW of Yonakuni, Japan · 14796 days ago · 33 km deep · 63 km away
- 4.448 km NE of Yonakuni, Japan · 14797 days ago · 33 km deep · 61 km away
- 4.424 km N of Yonakuni, Japan · 14797 days ago · 33 km deep · 50 km away
- 5.031 km NNW of Yonakuni, Japan · 14797 days ago · 32 km deep · 61 km away
- 4.845 km NNE of Yonakuni, Japan · 14798 days ago · 33 km deep · 62 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002ssd. Read Tue, Sep 29, 2026, 8:10 PM UTC.