9 Aug 2026, 19:51 UTC · Aug 9, 3:51 PM ET

M4.5 earthquake Pacific-Antarctic Ridge

A magnitude 4.5 earthquake struck Pacific-Antarctic Ridge at Aug 9, 3:51 PM ET, 10 km deep, light – felt by most people nearby, rattling windows, rarely damage.

M4.5 Pacific-Antarctic RidgeM4.5 Pacific-Antarctic RidgeM4.7 Pacific-Antarctic RidgeM4.8 Pacific-Antarctic RidgeM5.3 Pacific-Antarctic Ridge
under 33–44–55–66+
Magnitude4.5 mb
Time9 Aug 2026, 19:51 UTC
Location-54.276°, -136.828° – Pacific-Antarctic Ridge
Depth10.0 km
Felt reports0
USGS eventus6000tkf7
Within 100 km

Other earthquakes nearby this year

Mag.WhereWhen (ET)DepthFelt
5.3Pacific-Antarctic RidgeJun 5, 9:40 AM
133 d ago
10 km–
4.8Pacific-Antarctic RidgeNov 19, 1:09 AM
332 d ago
10 km–
4.7Pacific-Antarctic RidgeAug 10, 10:46 PM
67 d ago
10 km–
4.5Pacific-Antarctic RidgeMar 18, 9:23 PM
212 d ago
10 km–
FAQ

About this earthquake

How strong was the Pacific-Antarctic Ridge earthquake?

Magnitude 4.5 (mb), light – felt by most people nearby, rattling windows, rarely damage. Depth 10 km.

Was it felt?

No felt reports have been submitted to the USGS so far.

Were there aftershocks?

1 earthquakes within 100 km in the following two weeks are in our records, the strongest M4.7.

Earthquakes

More

Source: U.S. Geological Survey (USGS) earthquake catalog, real-time feeds and FDSN event service; magnitudes and locations are revised by seismologists for hours after an event. Times are Eastern (ET) unless marked UTC. Not an alert service: for warnings follow local authorities and tsunami centers.

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M4.5 earthquake Pacific-Antarctic Ridge — 77.today