The central banks cut the rate on ECB dollar loans by half a percentage point, triggering a rush by banks to secure dollar funding at cheap rates.

WSJ: EU Banks Seek Dollars From ECB

"It seems to reason that a large earthquake in one location could provide the extra force needed in another nearby location, to stretch that rubber band to the breaking point, thus triggering another earthquake, " Miller said.

CNN: Two quakes in the same region in a day - coincidence?

There were a lot of tactical moves to be made late last week, with lots of patterns triggering on Off the Charts and the Price Point Sheet.

FORBES: Stocks Eye Europe And Central Banks For Direction