Russia earthquakes

M4.7 earthquake 100 km NNE of Otrada, Russia

A magnitude 4.7 earthquake struck 100 km NNE of Otrada, Russia on Thu, Dec 7, 1978, 11:15 PM JST (14:15 UTC), 178 km (111 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
4.7 (mb), light
Local time
UTC
1978-12-07 14:15:21 UTC
Depth
178.0 km (110.6 mi), intermediate-depth
Epicenter
44.943° N, 146.176° 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
66

Nearest places

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

Nearby

Within 100 km, magnitude 1.7 and up: 10 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 4.6143 km WNW of Kuril’sk, Russia · 17456 days ago · 108 km deep · 89 km away
  2. 4.668 km N of Shikotan, Russia · 17456 days ago · 143 km deep · 72 km away
  3. 5.286 km NE of Otrada, Russia · 17454 days ago · 130 km deep · 38 km away
  4. 4.5101 km NNE of Otrada, Russia · 17452 days ago · 163 km deep · 2 km away
  5. 4.678 km NNE of Otrada, Russia · 17451 days ago · 177 km deep · 25 km away
  6. 4.680 km NE of Otrada, Russia · 17449 days ago · 152 km deep · 40 km away
  7. 4.470 km NNE of Otrada, Russia · 17437 days ago · 202 km deep · 37 km away
  8. 4.297 km NNE of Otrada, Russia · 17437 days ago · 168 km deep · 7 km away
  9. 4.389 km NNE of Otrada, Russia · 17430 days ago · 141 km deep · 17 km away
  10. 4.376 km NE of Otrada, Russia · 17419 days ago · 143 km deep · 43 km away

Before

  1. 4.081 km NNE of Otrada, Russia · 17457 days ago · 212 km deep · 33 km away
  2. 4.975 km NE of Otrada, Russia · 17457 days ago · 123 km deep · 52 km away
  3. 4.469 km N of Shikotan, Russia · 17457 days ago · 177 km deep · 72 km away
  4. 4.672 km NE of Otrada, Russia · 17457 days ago · 160 km deep · 42 km away
  5. 4.881 km NNE of Otrada, Russia · 17457 days ago · 155 km deep · 21 km away
  6. 6.781 km NE of Otrada, Russia · 17457 days ago · 91 km deep · 50 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0000xtd. Read Tue, Sep 22, 2026, 11:33 PM UTC.