Sigh.
The terrible tsunami that hit in the Indian ocean in 2004 had a height of less than 35 feet.I'm sure they can come bigger than that, but "several hundreds of feet"?
Sounds like something Al Gore would say.
If the conditions are right (like contained in a bay), you bet.
http://www.sitnews.us/Kiffer/LituyaBay/070808_lituya_bay.html
The one that hit Japan was 133 ft high.
I do remember seeing an interview with a guy who witnessed a tsunami caused by a landslide in an Alaskan fjord. He and his father were fishing when the side of the mountain slid down into the fjord. It deposited them with their boat something like 300 feet above the waterline on the other side. They showed modern pics where you could see the difference between the older and younger trees.
I don’t know if the 1958 Lituya Bay megatsunami was the same one. (The height of the wave was accurately measured at 516 metres (1,720 feet), based on the elevation extent of the damage caused to the foliage up the headlands around the area where the landslide occurred as well as along the shoreline of the bay.)
http://en.wikipedia.org/wiki/1958_Lituya_Bay_megatsunami
Is it possible? Sure. Is it probable? Yawn. But yawns don’t sell newspapers.