What we are seeing now is the aftershock sequence of the two earlier major shocks. Remember that after the monster earthquake in 2004, it was warned that such occurrences would happen for some time since although the thrust faulting in 2004 encompassed 1000 km of the subduction zone fault, the remainder has to adjust to the new strain patterns set up after the big event. This also includes the lesser inland faults as well so Indonesia is going to be very shaky for some time.
Steve
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"I'm your Momma Earth and you've been messin' around with the Natural Order of Things" Alchemy VII |