Indonesia raises volcanic Defcon level as Mount Sinabung rumbles

Dormant for centuries, now RAINING GRAVEL and gas on neaby villages Updated: Indonesia is the most volcanically-active nation on earth and is home to some of the planet's nastiest fire mountains, as anyone familiar with Krakatoa knows well. So brace yourself, humanity, because a volcano villagers that was thought to have been dormant for a few centuries has rumbled back to life, leading authorities to order evacuations and take country's disaster agency put the volcano on a Level 4 (Caution) ale...