M4.0 earthquake 81 km NNE of Otrada, Russia
A magnitude 4.0 earthquake struck 81 km NNE of Otrada, Russia on Thu, Dec 7, 1978, 8:49 PM JST (11:49 UTC), 212 km (132 mi) below the surface.
A larger quake followed: M5.2 86 km NE of Otrada, Russia. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.0 (mb), light
- Local time
- UTC
- 1978-12-07 11:49:34 UTC
- Depth
- 212.0 km (131.7 mi), intermediate-depth
- Epicenter
- 44.693° N, 146.394° 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
- 16
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 11 in the 60 days after this one and 5 in the 30 days before it.
After
- 4.7100 km NNE of Otrada, Russia · 17464 days ago · 178 km deep · 33 km away
- 4.668 km N of Shikotan, Russia · 17463 days ago · 143 km deep · 40 km away
- 5.286 km NE of Otrada, Russia · 17462 days ago · 130 km deep · 9 km away
- 4.5101 km NNE of Otrada, Russia · 17460 days ago · 163 km deep · 35 km away
- 4.678 km NNE of Otrada, Russia · 17459 days ago · 177 km deep · 13 km away
- 4.680 km NE of Otrada, Russia · 17457 days ago · 152 km deep · 7 km away
- 4.470 km NNE of Otrada, Russia · 17445 days ago · 202 km deep · 11 km away
- 4.297 km NNE of Otrada, Russia · 17445 days ago · 168 km deep · 26 km away
- 4.884 km NE of Shikotan, Russia · 17444 days ago · 113 km deep · 81 km away
- 4.389 km NNE of Otrada, Russia · 17438 days ago · 141 km deep · 16 km away
- 4.376 km NE of Otrada, Russia · 17427 days ago · 143 km deep · 11 km away
Before
- 4.975 km NE of Otrada, Russia · 17465 days ago · 123 km deep · 19 km away
- 4.469 km N of Shikotan, Russia · 17465 days ago · 177 km deep · 40 km away
- 4.672 km NE of Otrada, Russia · 17465 days ago · 160 km deep · 11 km away
- 4.881 km NNE of Otrada, Russia · 17465 days ago · 155 km deep · 16 km away
- 6.781 km NE of Otrada, Russia · 17465 days ago · 91 km deep · 19 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000xtb. Read Wed, Sep 30, 2026, 9:25 PM UTC.