19 Mar 2026, 01:23 UTC · Mar 18, 9:23 PM ET

M4.5 earthquake Pacific-Antarctic Ridge

A magnitude 4.5 earthquake struck Pacific-Antarctic Ridge at Mar 18, 9:23 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 Ridge
under 33–44–55–66+
Magnitude4.5 mb
Time19 Mar 2026, 01:23 UTC
Location-54.307°, -136.951° – Pacific-Antarctic Ridge
Depth10.0 km
Felt reports0
USGS eventus7000s85s
Within 100 km

Other earthquakes nearby this year

Mag.WhereWhen (ET)DepthFelt
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 RidgeAug 9, 3:51 PM
68 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?

No earthquakes within 100 km have followed so far in our records.

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