Following the major 8.8M earthquake off the coast of Russia, tsunami alerts were issued for Hawaii, Alaska and the Continental U.S. West Coast Wednesday. Evacuations were ordered as well. And that's ...

Q. How do waves form? _ Jessi McGovern. A. The wind is responsible for most waves. When the wind is strong, the waves are higher. Earthquakes can also cause tidal waves. But scientists are studying a ...