Russia earthquakes

M4.6 earthquake 80 km NE of Otrada, Russia

A magnitude 4.6 earthquake struck 80 km NE of Otrada, Russia on Fri, Dec 15, 1978, 11:25 AM JST (02:25 UTC), 152 km (94 mi) below the surface.

A larger quake followed: M4.8 84 km NE of Shikotan, Russia. 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
4.6 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
1978-12-15 02:25:54 UTC
Depth
152.0 km (94.4 mi), intermediate-depth
Epicenter
44.649° N, 146.460° E
Region
Russia
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
51

Nearest places

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

Nearby

Within 100 km, magnitude 1.6 and up: 5 in the 60 days after this one and 11 in the 30 days before it.

After

  1. 4.470 km NNE of Otrada, Russia · 17448 days ago · 202 km deep · 13 km away
  2. 4.297 km NNE of Otrada, Russia · 17448 days ago · 168 km deep · 33 km away
  3. 4.884 km NE of Shikotan, Russia · 17447 days ago · 113 km deep · 74 km away
  4. 4.389 km NNE of Otrada, Russia · 17442 days ago · 141 km deep · 23 km away
  5. 4.376 km NE of Otrada, Russia · 17430 days ago · 143 km deep · 4 km away

Before

  1. 4.678 km NNE of Otrada, Russia · 17462 days ago · 177 km deep · 19 km away
  2. 4.5101 km NNE of Otrada, Russia · 17464 days ago · 163 km deep · 42 km away
  3. 5.286 km NE of Otrada, Russia · 17465 days ago · 130 km deep · 7 km away
  4. 4.668 km N of Shikotan, Russia · 17467 days ago · 143 km deep · 33 km away
  5. 4.7100 km NNE of Otrada, Russia · 17468 days ago · 178 km deep · 40 km away
  6. 4.081 km NNE of Otrada, Russia · 17468 days ago · 212 km deep · 7 km away
  7. 4.975 km NE of Otrada, Russia · 17468 days ago · 123 km deep · 12 km away
  8. 4.469 km N of Shikotan, Russia · 17468 days ago · 177 km deep · 33 km away
  9. 4.672 km NE of Otrada, Russia · 17468 days ago · 160 km deep · 7 km away
  10. 4.881 km NNE of Otrada, Russia · 17469 days ago · 155 km deep · 23 km away
  11. 6.781 km NE of Otrada, Russia · 17469 days ago · 91 km deep · 11 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0000xxt. Read Sun, Oct 4, 2026, 3:10 AM UTC.