(NECN) - NECN meteorologist Matt Noyes talks about about the science behind tsunamis, and what makes the waves more powerful.
The "Dart" tsunami buoy network assesses and reports tsunamis. There are 39 in the Atlantic and Pacific ocean, and it's an intricate system of monitoring sea-surface height.
Inquiries concerning U.S. citizens living or traveling in Japan should be referred to the U.S. Dept. of State, Office of Overseas Services at: (888) 407-4747 or (202) 647-5225.