Volcano erupts in Indonesia, alert level raised to highest

A volcano erupted several times in Indonesia's outermost region Wednesday, with authorities raising the alert level to its highest point after the dome spewed a column of smoke more than a mile into the sky and forced hundreds ...

Q&A: Clarifying the megathrust earthquake mechanism

There is a 70-80% chance that the Nankai Trough Megathrust Earthquake will occur in the next 30 years. It is predicted to cause more extensive damage than the 2011 Great East Japan Earthquake and fatalities may exceed 320,000.

Q&A: What to make of the earthquake that rattled the Northeast

The 4.8 magnitude earthquake that shook the Northeast on April 5 didn't seem to cause much damage, but it was enough to send tremors of concern through anyone who felt it. It's not that the region never experiences seismic ...