Disaster in Indonesia Illustrates Faults in Tsunami Warning Systems
Details of Friday's incident are limited, but already there are questions being asked about the effectiveness of Indonesia's tsunami warning system.
How to Create an Effective Earthquake Warning System
The United States is still without a proper early warning system for alerting citizens about an earthquake, but that is about to change.
Volcanic Personalities: How Scientists Determine When a Volcano Will Erupt
There's no one-size-fits-all approach to discerning when a volcano may explode; they all have their own individual characteristics.