A California volcano once obliterated a forest and propelled ash 280 miles. Experts say it offers a warning
(LA Times Golf)

Lassen Peak had been rumbling for days. Glowing hot rocks bounded down the slopes. Lava was welling up into a freshly created crater. Then, on this day 103 years ago, it exploded in a way California would never forget. It created a gigantic mushroom cloud that reached an altitude of 30,000 feet,...