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True American, do you think something unprecedented is going on with plate movement activity of the Nazca plate rubbing against the South American Plate at a rate much more faster and violent than before? I don't have much expertise on this area of study in terms of geology, so I would like to ask for your insight and opinion.
Ha! you were right about it leading to a big one!,
but I'd hold back on calling it a MEGATHRUST quake.
From NBC news
More aftershocks and even a larger quake could not be ruled out, said seismologist Mario Pardo at the University of Chile.
The fault that triggered a magnitude 8.2 quake off the northern Chilean coast was overdue for a significant earthquake, and an even more powerful temblor could be in store, said Rick Allmendinger, a Cornell University professor of earth and atmospheric sciences.
“It’s probably not big enough to have released all of the energy that had been stored up along that locked plate boundary for the last 140 years or so,” Allmendinger said. “Is this the Big One for that area? Or was it a foreshock to a presumably an even bigger earthquake?”
"This magnitude 8.2 is not the large earthquake that we were expecting in this area," said Mark Simons, a geophysicist at Caltech in Pasadena, California. "We're expecting a potentially even larger earthquake."