[MargaretR]

Originally Posted by MargaretR

Study shows earthquakes may quickly boost regional volcanoes
"Scientists using NASA satellite data have found strong evidence that a major earthquake can lead to a nearly immediate increase in regional volcanic activity."

Conclusion - they don't know

PS back to the orignal thread meaning ie comets and earthquakes
San Andreas found extremely sensitive to stress
Astronomical events can cause minor earth tremors which in turn can trigger bigger events.

Conclusion - they don't know

edited and added 'astronomical' instead of 'astrological' even thogh they originally were the same.