The 2006 Pangandaran earthquake Catastrophe and tsunami Catastrophe occurred Presence on July 17 at along a subduction zone off the coast of west and central Java , a large and densely populated island in the Indonesian archipelago .

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 .