Japan earthquakes

M4.3 earthquake 49 km NE of Yonakuni, Japan

A magnitude 4.3 earthquake struck 49 km NE of Yonakuni, Japan on Wed, Feb 21, 2001, 5:32 AM JST (20:32 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M4.4 56 km WSW of Ishigaki, Japan. This one was a foreshock.

Ishigaki forecastMore in Japan

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
4.3 (mb), light
Local time
UTC
2001-02-20 20:32:28 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
24.815° N, 123.302° 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
11

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 4 in the 30 days before it.

After

  1. 3.648 km NE of Yonakuni, Japan · 9352 days ago · 33 km deep · 5 km away
  2. 3.673 km SE of Yonakuni, Japan · 9323 days ago · 33 km deep · 98 km away
  3. 4.1115 km NNW of Ishigaki, Japan · 9307 days ago · 157 km deep · 77 km away
  4. 4.456 km WSW of Ishigaki, Japan · 9307 days ago · 65 km deep · 71 km away
  5. 3.948 km SSW of Yonakuni, Japan · 9304 days ago · 33 km deep · 98 km away

Before

  1. 4.853 km NE of Yonakuni, Japan · 9353 days ago · 33 km deep · 6 km away
  2. 5.257 km WNW of Yonakuni, Japan · 9357 days ago · 109 km deep · 90 km away
  3. 4.278 km NE of Yonakuni, Japan · 9360 days ago · 143 km deep · 30 km away
  4. 3.852 km ESE of Yonakuni, Japan · 9377 days ago · 48 km deep · 59 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp000aa05. Read Thu, Oct 1, 2026, 1:33 AM UTC.