More than 1,000 earthquakes have rattled Puerto Rico so far, and as you will see below, it was just hit by another very large earthquake.  But right now volcanic eruptions have taken center stage.  In particular, a massive eruption in the Philippines is making headlines all over the world, but what most people don't realize is that several other volcanoes have also blown their tops in spectacular fashion within the past week.  Suddenly, volcanoes all over the globe are shooting giant clouds of ash miles into the air, and this is greatly puzzling many of the experts.