On Mon, 03 Jan 2005 13:21:24 +0100, wrote:

When did everybody start calling a tidal wave a tsunami and why?

Presumably to make the distinction between tidal events, such as the
many river bores or storm surges enhanced by tidal action and nontidal
events due to big lumps of the earth moving rather suddenly.

--
Cheers
Dave. pam is missing e-mail