In the context of disaster notification, the alert message is a scripted description of the disaster and consists of just enough information so that each response knows what port of the Dr plan to implement. These messages together with the warning messages are <span>generated by the coastal control sensors, deep ocean stations or seismic centers. </span>
A wave will travel only as long as it has energy to carry. The energy makes a wave travel and it will stop traveling as soon as the energy is dissipated.
