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M6.6 earthquake Pacific-Antarctic Ridge

A magnitude 6.6 earthquake struck in the Pacific-Antarctic Ridge on Mon, Jan 22, 1951, 9:52 PM GMT-9 (06:52 UTC), 10 km (6 mi) below the surface.

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The earthquake

Magnitude
6.6 (mw), strong
Local time
UTC
1951-01-23 06:52:45 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
55.879° S, 135.634° W
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.

Magnitude uncertainty
±0.20
Depth from
From location

Nearby

Within 100 km, magnitude 2.5 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 iscgem894048. Read Tue, Sep 22, 2026, 12:12 PM UTC.