The most dense layer of the atmosphere is the troposphere is the most dense layer because it is at the bottom of the atmosphere. The troposphere is where all our weather happe â¦ ns. It also has the highest air pressure. But more specifically, the earths atmosphere is most dense at the surface.
Earthquakes on faults like these may cause tsunamis in the Puget Sound region. 'Deep' faults Deep faults can occur where two tectonic plates collide and one of the plates is forced beneath the other.
A tsunami is a series of waves or surges most commonly caused by an earthquake beneath the sea floor. Tsunamis can cause great loss of life and property damage in coastal areas.Very large tsunamis can cause damage to coastal regions thousands of miles away from the earthquake that caused them.1  Beaches, lagoons, bays, estuaries, tidal flats and river mouths are the most dangerous places to be.ery large tsunamis can cause damage to coastal regions thousands of miles away from the earthquake that caused them. 1  Beaches, lagoons, bays, estuaries, tidal flats and river mouths are the most dangerous places to be.