Russia earthquakes

M5.3 earthquake 105 km SSE of Korsakov, Russia

A magnitude 5.3 earthquake struck 105 km SSE of Korsakov, Russia on Sun, Jan 6, 1985, 5:46 PM GMT+11 (06:46 UTC), 314 km (195 mi) below the surface.

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The earthquake

Magnitude
5.3 (Mw, moment), moderate
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
1985-01-06 06:46:01 UTC
Depth
313.8 km (195.0 mi), deep
Epicenter
45.782° N, 143.382° E
Region
Russia
Tsunami flag
No
Status
Reviewed by a seismologist

Magnitude estimates

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.ScaleComputed byNotes
5.3Mw, momentUSGS National Earthquake Information CenterPreferred · Reviewed
5.27Mw, momentISC-GEM global catalogFinal · ±0.1
5.3Mwc, centroid momentGlobal CMT projectPreliminary

What happened

The USGS’s account of the effects of this earthquake.

CENTROID, MOMENT TENSOR (HRV) Data Used: GDSN L.P.B.: 12S, 23C Centroid Location: Origin Time 06:46: 7.1 0.7 Lat 45.56N 0.07 Lon 143.06E 0.11 Dep 332.5 4.4 Half-duration 1.6 Moment Tensor; Scale 10**23 D-CM Mrr=3.05 0.42 Mtt=5.83 0.51 Mff=-8.88 0.62 Mrt=5.23 0.66 Mrf=-3.43 0.57 Mtf=-2.02 0.50 Principal Axes: (T) Val=10.55 Plg=38 Azm=14 (N) Val=-0.73 Plg=49 Azm=166 (P) Val=-9.82 Plg=14 Azm=273 Best Double Couple:Mo=1.0*10**24 NP1:Strike=46 Dip=53 Slip=160 NP2:Strike=148 Dip=75 Slip=39

From the USGS event page for usp0002asj. U.S. Geological Survey text and figures are in the public domain.

Did you feel it?

No one has reported feeling this quake to the USGS.

Nearest places

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

Nearby

Within 100 km, magnitude 2.3 and up: 0 in the 60 days after this one and 0 in the 30 days before it.

None recorded.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0002asj (also filed as gcmtb010685a, gcmt19850106064600, iscgem533662). Read Sat, Oct 3, 2026, 4:40 PM UTC.