1. https://en.wikipedia.org/wiki/Standing_wave.
2. https://en.wikipedia.org/wiki/Seiche.
3. The Tides and Kindred Phenomena in the Solar System;Darwin,1898
4. Tsunamis Are Normally Associated with Earthquakes, but Landslides, Volcanic Eruptions and Meteorite Impacts All Have the Potential to Generate a Tsunami.