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.
Yes, they are one cause of tsunami. Earthquakes are actually one of the most common causes. Tsunami can be caused by undersea earthquakes or earthquakes near a coastal area â¦ that displace the surface of the sea floor, raising the water abruptly and generating the gigantic waves.hat causes earth quakes is the plates under earth move or collide with each other and shake the earth. Tsunamis can be caused also by earthquakes, especially those centered on the ocean floor. But they can also be caused by landslides and other natural events near the oceans. See the related questions below.