20 May 2026, 18:36 UTC · May 20, 2:36 PM ET

M5.5 earthquake southern East Pacific Rise

A magnitude 5.5 earthquake struck southern East Pacific Rise at May 20, 2:36 PM ET, 10 km deep, moderate – felt widely, some damage to weak buildings.

M4.3 southern East Pacific RiseM4.4 southern East Pacific RiseM4.4 southern East Pacific RiseM4.5 southern East Pacific RiseM4.5 southern East Pacific RiseM4.7 southern East Pacific RiseM4.8 southern East Pacific RiseM5.5 southern East Pacific RiseM6.6 southern East Pacific Rise
under 33–44–55–66+
Magnitude5.5 mww
Time20 May 2026, 18:36 UTC
Location-55.912°, -123.182° – southern East Pacific Rise
Depth10.0 km
Felt reports0
Max. estimated intensity (MMI)0.0
USGS eventus6000sz1t
Within 100 km

Other earthquakes nearby this year

Mag.WhereWhen (ET)DepthFelt
6.6southern East Pacific Rise · PAGER greenMay 20, 1:43 PM
149 d ago
10 km7 reports
4.8southern East Pacific RiseSep 21, 11:30 PM
25 d ago
10 km–
4.7southern East Pacific RiseJun 1, 5:51 PM
137 d ago
10 km–
4.5southern East Pacific RiseMay 20, 2:54 AM
150 d ago
10 km–
4.5southern East Pacific RiseOct 6, 12:11 PM
375 d ago
10 km–
4.4southern East Pacific RiseMay 12, 7:56 PM
157 d ago
10 km–
4.4southern East Pacific RiseOct 6, 2:06 PM
375 d ago
10 km–
4.3southern East Pacific RiseOct 6, 11:16 AM
375 d ago
10 km–
FAQ

About this earthquake

How strong was the southern East Pacific Rise earthquake?

Magnitude 5.5 (mww), moderate – felt widely, some damage to weak buildings. 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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M5.5 earthquake southern East Pacific Rise — 77.today