News Analysis: Seismic Tsunamis Can Be Readily Detected And People Protected; Avalanche Tsunamis, Less So say Seismologists; due primarily to the later’s ‘stealth occurrences’. Many Avalanche Tsunamis commence when degenerated sub-sea mountains begin to have side collapses. This sets off energy waves in more limited directions on the collapsed side. Since the entire action is of more limited direction, it may not be felt near its epicenter (opposite the energy flow direction – but very near the site).
An ‘Above Sea Mountain Collapse’, hypothetically, could occur in the Azores Islands or Canary Islands, and may be devastating to the Eastern Coast of America. Some Seismologists have claimed a possible height of 300 meters (1,000+/- feet) may be seen if it were to hit New York City.
Seismic Tsunamis have the ‘Human Detection Benefit’ of approaching a 360 Degree Energy Direction (with varying Amplitudes in the waves). Sensors randomly distributed along known undersea Fault Lines may provide rapid detection of pending Earthquakes. Japan is a leader in such detection.
In Lake Tahoe, Nevada, Seismologists know where the Earthquake Fault is located that helped create the Lake (by closing off water flowing out of the Basin from mountain streams). It is estimated that the next Earthquake (which is long overdue) may produce a Lake Tsunami up to 30 feet in height.
Like water sloshing around in a bath tub, one certainly wants to be “High up a Tall Pine Tree” when it occurs (if in Lake Tahoe; if New York City, on the top floor of a skyscraper).
Reality.
Reference: http://www.adn.com/2014/03/24/3391997/terror-of-tsunamis-warning-systems.html