Asia Pacific Digging in: How Aceh's past tsunamis cast light on future seismic threats

A paleo-geologist sifts sand and coral deposits for clues to tsunami patterns in Aceh, the epicenter of the Dec 26, 2004 earthquake. Indonesians are marking the 10-year anniversary of the country's deadliest natural disaster. 

By , Staff Writer

Ann Hermes/The Christian Science Monitor

Investors in stock markets are cautioned that past performance is not a guide to future events. For scientists who study earthquakes and tsunamis, the opposite is true: Where the earth’s crusts are colliding, the only certainty is that the ground will shake again one day.