Lesley Ann Murphy, a travel blogger aboard Quark Expeditions' Ocean Explorer ship, captured footage of the moment the vessel ...

(Photo courtesy UNESCO) The U.S. Virgin Islands took part in the annual Caribe Wave tsunami preparedness exercise Thursday, engaging residents and emergency agencies in a simulated tsunami response.

Structure: Navy Blue Wave 4. Position: Gray Wave 1. Next Higher Degree Direction: Navy Blue Wave 5. Details: Navy Blue Wave 3 appears to be complete, and Navy Blue Wave 4 is currently in progress.