20 May 2026, 17:43 UTC · May 20, 1:43 PM ET · PAGER green

M6.6 earthquake southern East Pacific Rise

A magnitude 6.6 earthquake struck southern East Pacific Rise at May 20, 1:43 PM ET, 10 km deep, strong – damage in populated areas near the epicenter. 7 people reported feeling it.

under 33–44–55–66+

Magnitude	6.6 mww
Time	20 May 2026, 17:43 UTC
Location	-55.998°, -122.298° – southern East Pacific Rise
Depth	10.0 km
Felt reports	7
Max. estimated intensity (MMI)	0.0
PAGER alert	green
USGS event	us6000sz1d

Within 100 km

Other earthquakes nearby this year

Mag.	Where	When (ET)	Depth	Felt
5.5	southern East Pacific Rise	May 20, 2:36 PM 149 d ago	10 km	–
4.8	southern East Pacific Rise	Sep 21, 11:30 PM 25 d ago	10 km	–
4.7	southern East Pacific Rise	Jun 1, 5:51 PM 137 d ago	10 km	–
4.5	southern East Pacific Rise	May 20, 2:54 AM 150 d ago	10 km	–
4.5	southern East Pacific Rise	Oct 6, 12:11 PM 375 d ago	10 km	–
4.4	southern East Pacific Rise	Oct 6, 2:06 PM 375 d ago	10 km	–

FAQ

About this earthquake

How strong was the southern East Pacific Rise earthquake?

Magnitude 6.6 (mww), strong – damage in populated areas near the epicenter. Depth 10 km.

Was it felt?

7 people reported feeling it to the USGS "Did You Feel It?" survey.

Were there aftershocks?

2 earthquakes within 100 km in the following two weeks are in our records, the strongest M5.5.

Earthquakes

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.