Answer:
Tsunamis are not scattered randomly around Earth. They occur more frequently in certain locations. The most common sites are associated with earthquakes that occur at tectonic plate boundaries called "subduction zones." A subduction zone is a place where one plate is moving under another.There are volcanoes on every continent, even Antarctica. Some 1,500 volcanoes are still considered potentially active around the world today; 161 of those—over 10 percent—sit within the boundaries of the United States.
