Japan earthquakes

M5.1 earthquake 105 km E of Mutsu, Japan

A magnitude 5.1 earthquake struck 105 km E of Mutsu, Japan on Sat, Mar 21, 1981, 5:26 PM JST (08:26 UTC), 58 km (36 mi) below the surface.

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The earthquake

Magnitude
5.1 (mb), moderate
Local time
UTC
1981-03-21 08:26:15 UTC
Depth
57.7 km (35.9 mi), shallow
Epicenter
41.299° N, 142.472° 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 2.1 and up: 1 in the 60 days after this one and 2 in the 30 days before it.

After

  1. 5.055 km ENE of Mutsu, Japan · 16618 days ago · 44 km deep · 53 km away

Before

  1. 4.8Hokkaido, Japan region · 16628 days ago · 56 km deep · 67 km away
  2. 4.686 km E of Mutsu, Japan · 16641 days ago · 49 km deep · 20 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0001cta (also filed as iscgemsup630187). Read Mon, Sep 21, 2026, 8:18 PM UTC.