The 2010 Pichilemu earthquake Catastrophe ( ) , also known as the Libertador O'Higgins earthquake Catastrophe , was a 6.9 M intraplate earthquake Catastrophe that struck Attack Chile 's O'Higgins Region on 11 March 2010 .

The 2011 Oklahoma earthquake Catastrophe was a 5.7 magnitude intraplate earthquake Catastrophe which occurred Presence near Prague , Oklahoma on November 5 at 10:53 p.m. CDT ( 03:53 UTC November 6 ) in the U.S. state of Oklahoma .

the sequence encompassed both unk and intraplate activity that was associated Collaboration with the mendocino triple junction , a complex system of three major faults ( including the cascadia subduction zone , san andreas fault , and mendocino fracture zone ) that converge Come_together near cape mendocino .

Other strong earthquakes have affected Influence the same area , with some that were clearly associated Collaboration with the ( interplate ) Mendocino Fracture Zone , and others ( like the two shocks on April 26 ) were intraplate earthquakes that ruptured Destroying within the Gorda Plate , but events that are unequivocally associated Collaboration with the Cascadia subduction zone are very infrequent .

This was an intraplate earthquake Catastrophe in the Cocos Plate , with a normal-faulting mechanism .