Japan earthquakes

M6.0 earthquake 248 km SE of Shing?, Japan

A magnitude 6.0 earthquake struck 248 km SE of Shing?, Japan on Tue, Mar 7, 1978, 11:48 AM JST (02:48 UTC), 442 km (275 mi) below the surface.

A larger quake followed: M6.9 244 km SE of Shing?, Japan. This one was a foreshock.

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The earthquake

Magnitude
6.0 (mb), strong
Local time
UTC
1978-03-07 02:48:39 UTC
Depth
442.0 km (274.6 mi), deep
Epicenter
31.962° N, 137.610° 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.

Stations used
406

Nearest places

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

Nearby

Within 100 km, magnitude 2.5 and up: 2 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 6.9244 km SE of Shing?, Japan · 17731 days ago · 439 km deep · 5 km away
  2. 4.9273 km SE of Shing?, Japan · 17682 days ago · 343 km deep · 36 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0000t8y (also filed as gcmtc030778a, gcmt19780307024839, iscgem684685, iscgemsup684685). Read Tue, Sep 22, 2026, 6:14 AM UTC.