Science: Seiche?

After a spell of stormy weather, the surface of Lake Michigan was calm off the shore near Holland, Mich., one sunny, windless day last week. Without warning a huge, smooth wall of water, at least ten feet high according to witnesses, rolled in from the lake, smashed the shoreline. Other big waves followed. Scores of rescues were made along miles of waterfront. Five persons were swept out into the lake by a ferocious undertow and drowned.

The question for meteorologists and geologists was, what caused this wall of water which, if it had occurred...

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