M4.9 earthquake 48 km N of Yonakuni, Japan
A magnitude 4.9 earthquake struck 48 km N of Yonakuni, Japan on Fri, Mar 28, 1986, 10:59 AM JST (01:59 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M5.0 39 km NNW 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
- 4.9 (mb), light
- Local time
- UTC
- 1986-03-28 01:59:17 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 24.899° N, 123.034° 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 1.9 and up: 21 in the 60 days after this one and 116 in the 30 days before it.
After
- 4.439 km NW of Yonakuni, Japan · 14789 days ago · 33 km deep · 40 km away
- 4.659 km NE of Yonakuni, Japan · 14789 days ago · 33 km deep · 33 km away
- 4.438 km NNE of Yonakuni, Japan · 14788 days ago · 33 km deep · 18 km away
- 3.8Taiwan region · 14788 days ago · 33 km deep · 22 km away
- 4.434 km NNW of Yonakuni, Japan · 14787 days ago · 33 km deep · 18 km away
- 4.462 km NNE of Yonakuni, Japan · 14787 days ago · 33 km deep · 24 km away
- 5.039 km NNW of Yonakuni, Japan · 14787 days ago · 33 km deep · 17 km away
- 4.638 km NNW of Yonakuni, Japan · 14786 days ago · 33 km deep · 27 km away
- 4.327 km NNW of Yonakuni, Japan · 14783 days ago · 33 km deep · 24 km away
- 3.944 km NNE of Yonakuni, Japan · 14783 days ago · 33 km deep · 18 km away
- 4.744 km NNE of Yonakuni, Japan · 14781 days ago · 30 km deep · 24 km away
- 4.361 km N of Yonakuni, Japan · 14780 days ago · 33 km deep · 14 km away
- 4.788 km NE of Yonakuni, Japan · 14777 days ago · 11 km deep · 53 km away
- 4.429 km SE of Yonakuni, Japan · 14777 days ago · 33 km deep · 71 km away
- 5.054 km NE of Yonakuni, Japan · 14766 days ago · 29 km deep · 36 km away
- 5.162 km NE of Yonakuni, Japan · 14766 days ago · 33 km deep · 37 km away
- 4.011 km ESE of Yonakuni, Japan · 14764 days ago · 33 km deep · 51 km away
- 4.515 km N of Yonakuni, Japan · 14764 days ago · 33 km deep · 33 km away
- 4.339 km WNW of Yonakuni, Japan · 14764 days ago · 29 km deep · 51 km away
- 4.576 km NE of Yonakuni, Japan · 14750 days ago · 72 km deep · 51 km away
- 4.850 km N of Yonakuni, Japan · 14737 days ago · 33 km deep · 3 km away
Before
- 4.333 km NNW of Yonakuni, Japan · 14789 days ago · 33 km deep · 26 km away
- 4.448 km NE of Yonakuni, Japan · 14790 days ago · 33 km deep · 28 km away
- 4.424 km N of Yonakuni, Japan · 14790 days ago · 33 km deep · 24 km away
- 5.031 km NNW of Yonakuni, Japan · 14790 days ago · 32 km deep · 28 km away
- 4.845 km NNE of Yonakuni, Japan · 14791 days ago · 33 km deep · 17 km away
- 4.365 km WSW of Yonakuni, Japan · 14791 days ago · 33 km deep · 95 km away
- 4.837 km NW of Yonakuni, Japan · 14791 days ago · 33 km deep · 35 km away
- 5.242 km NNE of Yonakuni, Japan · 14791 days ago · 31 km deep · 16 km away
- 4.786 km NE of Yonakuni, Japan · 14791 days ago · 33 km deep · 61 km away
- 5.039 km NNW of Yonakuni, Japan · 14791 days ago · 33 km deep · 16 km away
- 4.456 km NNE of Yonakuni, Japan · 14792 days ago · 33 km deep · 18 km away
- 4.341 km NE of Yonakuni, Japan · 14792 days ago · 33 km deep · 25 km away
- 4.845 km N of Yonakuni, Japan · 14792 days ago · 33 km deep · 11 km away
- 4.537 km NE of Yonakuni, Japan · 14792 days ago · 33 km deep · 30 km away
- 4.571 km NE of Yonakuni, Japan · 14792 days ago · 33 km deep · 49 km away
- 4.652 km NE of Yonakuni, Japan · 14792 days ago · 33 km deep · 33 km away
- 5.127 km N of Yonakuni, Japan · 14793 days ago · 26 km deep · 21 km away
- 4.941 km NNE of Yonakuni, Japan · 14793 days ago · 33 km deep · 15 km away
- 4.859 km NE of Yonakuni, Japan · 14793 days ago · 33 km deep · 35 km away
- 4.437 km NNE of Yonakuni, Japan · 14793 days ago · 33 km deep · 14 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002sbt. Read Tue, Sep 22, 2026, 8:50 PM UTC.