South Sandwich Islands are rocking!
Started with a 7.5 quake about 3hrs ago, last about 30 min ago.
Now accounts for more than half the large 2.5+ quakes on earth.
https://antarctic-plate-tectonics.weebly.com/south-sandwich-plate.html
The South American plate tears in order to subduct under the South Sandwich plate. The red arrows identify the plates, with the striated plate representing the SAM plate and the transparent outline representing the SAN plate.