Russia earthquakes

M4.9 earthquake 75 km NE of Otrada, Russia

A magnitude 4.9 earthquake struck 75 km NE of Otrada, Russia on Thu, Dec 7, 1978, 11:28 AM JST (02:28 UTC), 123 km (76 mi) below the surface.

A larger quake followed: M5.2 86 km NE of Otrada, 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
4.9 (mb), light
Local time
UTC
1978-12-07 02:28:22 UTC
Depth
123.0 km (76.4 mi), intermediate-depth
Epicenter
44.555° N, 146.533° 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
59

Nearest places

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

Nearby

Within 100 km, magnitude 1.9 and up: 12 in the 60 days after this one and 4 in the 30 days before it.

After

  1. 4.081 km NNE of Otrada, Russia · 17456 days ago · 212 km deep · 19 km away
  2. 4.7100 km NNE of Otrada, Russia · 17456 days ago · 178 km deep · 52 km away
  3. 4.668 km N of Shikotan, Russia · 17455 days ago · 143 km deep · 21 km away
  4. 5.286 km NE of Otrada, Russia · 17454 days ago · 130 km deep · 16 km away
  5. 4.5101 km NNE of Otrada, Russia · 17452 days ago · 163 km deep · 54 km away
  6. 4.678 km NNE of Otrada, Russia · 17450 days ago · 177 km deep · 30 km away
  7. 4.680 km NE of Otrada, Russia · 17449 days ago · 152 km deep · 12 km away
  8. 4.470 km NNE of Otrada, Russia · 17437 days ago · 202 km deep · 20 km away
  9. 4.297 km NNE of Otrada, Russia · 17436 days ago · 168 km deep · 45 km away
  10. 4.884 km NE of Shikotan, Russia · 17436 days ago · 113 km deep · 65 km away
  11. 4.389 km NNE of Otrada, Russia · 17430 days ago · 141 km deep · 35 km away
  12. 4.376 km NE of Otrada, Russia · 17419 days ago · 143 km deep · 8 km away

Before

  1. 4.469 km N of Shikotan, Russia · 17457 days ago · 177 km deep · 21 km away
  2. 4.672 km NE of Otrada, Russia · 17457 days ago · 160 km deep · 11 km away
  3. 4.881 km NNE of Otrada, Russia · 17457 days ago · 155 km deep · 34 km away
  4. 6.781 km NE of Otrada, Russia · 17457 days ago · 91 km deep · 6 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0000xt0. Read Tue, Sep 22, 2026, 4:04 PM UTC.