Japan earthquakes

M4.5 earthquake 31 km E of ?arai, Japan

A magnitude 4.5 earthquake struck 31 km E of ?arai, Japan on Sat, Apr 24, 1982, 4:26 PM JST (07:26 UTC), 87 km (54 mi) below the surface.

A larger quake followed: M4.6 45 km E of Iwaki, Japan. This one was a foreshock.

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

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The earthquake

Magnitude
4.5 (mb), light
Local time
UTC
1982-04-24 07:26:07 UTC
Depth
86.5 km (53.7 mi), intermediate-depth
Epicenter
36.275° N, 140.935° 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.

Nearest places

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

Nearby

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

After

  1. 4.645 km E of Iwaki, Japan · 16195 days ago · 68 km deep · 100 km away
  2. 4.48 km E of ?tawara, Japan · 16193 days ago · 109 km deep · 97 km away
  3. 4.16 km NNW of Kasama, Japan · 16170 days ago · 92 km deep · 66 km away
  4. 4.13 km NNE of Narita, Japan · 16166 days ago · 68 km deep · 75 km away

Before

  1. 4.286 km ESE of Takahagi, Japan · 16226 days ago · 33 km deep · 66 km away
  2. 4.2106 km ESE of Kitaibaraki, Japan · 16226 days ago · 33 km deep · 83 km away
  3. 4.910 km ESE of Omigawa, Japan · 16228 days ago · 66 km deep · 54 km away
  4. 4.42 km WSW of Sakura, Japan · 16230 days ago · 60 km deep · 91 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0001kwz. Read Tue, Sep 22, 2026, 10:26 AM UTC.