M3.9 earthquake 48 km SSW of Yonakuni, Japan
A magnitude 3.9 earthquake struck 48 km SSW of Yonakuni, Japan on Wed, Apr 11, 2001, 5:31 AM GMT+8 (21:31 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M4.4 37 km SSW 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
- 3.9 (mb, body-wave), minor
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2001-04-10 21:31:47 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 24.086° N, 122.766° 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
- Stations used
- 19
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 3 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.047 km E of Yilan, Taiwan · 9292 days ago · 97 km deep · 100 km away
- 3.740 km ESE of Hualien City, Taiwan · 9276 days ago · 33 km deep · 81 km away
- 4.437 km SSW of Yonakuni, Japan · 9250 days ago · 33 km deep · 16 km away
Before
Earthquakes todayJapan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000aczh. Read Fri, Oct 2, 2026, 12:37 AM UTC.