[jmcenanly]

Usually, they are preceded by an Earthquake. However, if you are by a seashore, and you see the water recede far back, head for high ground immediately!

[LouieFisk]

As awful as a tsunami can be, I think I’d need to change my underwear and pants after seeing just that eerie pulling back of the water preceding it.
It’s something like the greenish sky before a tornado hits, “I gotta bad feeling about this”....