M6.6 earthquake in Southern East Pacific Rise on May 20, 2026
Strong M6.6 quake: May 20, 2026, 17:43 UTC, epicenter Southern East Pacific Rise. The rupture began 10 km below the surface. It was a shallow quake, and shallow quakes are usually felt most strongly at the surface.
Key facts
7 people reported feeling it to USGS. The USGS PAGER system issued a green alert, expecting little impact.
Nearest cities
- Punta Arenas (Chile)3,250 km
- Port Montt (Chile)3,861 km
- Comodoro Rivadavia (Argentina)3,889 km
- Osorno (Chile)3,916 km
- Valdivia (Chile)3,967 km
Did you feel an earthquake?
Report it to seismologists. These reports help work out quickly where the shaking was strongest. It takes a minute.
Aftershocks
Since then USGS has recorded 3 quakes of magnitude 4.5 or more within 150 km, the strongest M5.5.
- M5.5 · May 20, 18:36 UTC56 km
- M4.8 · Sep 22, 03:30 UTC60 km
- M4.7 · Jun 1, 21:51 UTC46 km
Regional history
Since 1976 there have been 26 earthquakes of magnitude 6 or more within 300 km. The strongest was M6.7 (August 6, 2001).
- M6.7 · August 6, 200187 km
- M6.4 · April 7, 198544 km
- M6.3 · November 15, 201831 km
- M6.3 · September 8, 199526 km
- M6.3 · October 13, 199124 km
See also
Source: USGS Earthquake Hazards Program (public domain). Seismologists may still revise the data. Data from Jul 25, 22:12 UTC.