Some places are just getting the spillover from epicenters farther away, while other ones -- the cities spread over their own nest of faults -- have subsidiary quakes.
I don't pretend to have the math to calculate this exactly. I'm piecing together descriptions of other people's simulations, then adding in stuff that I know which very few others have mentioned. I'm just now starting to see scientists talking about chained earthquakes; they haven't done large-scale simulations yet or considered that a full rip of Cascadia is quite likely to trigger the already overstressed southern San Andreas.
Re: Aww ...
Some places are just getting the spillover from epicenters farther away, while other ones -- the cities spread over their own nest of faults -- have subsidiary quakes.
I don't pretend to have the math to calculate this exactly. I'm piecing together descriptions of other people's simulations, then adding in stuff that I know which very few others have mentioned. I'm just now starting to see scientists talking about chained earthquakes; they haven't done large-scale simulations yet or considered that a full rip of Cascadia is quite likely to trigger the already overstressed southern San Andreas.