Space Ancient megatsunami on Mars traced to the crater where it began Before Mars dried up, an asteroid slammed into one of its oceans and caused a colossal megatsunami, and now researchers have found the crater where it hit NewsFree
Physics Sound waves may be able to trigger earlier tsunami warnings When an earthquake sets off a tsunami, it releases speedy sound waves that could give us early warning. But they still can’t predict the size of the tsunami NewsFree