The Exodus dates to about 1450 BC, the actual end of the Middle Kingdom; meanwhile, the New Kingdom is dated centuries too high, having started during the reign of King Saul in Israel. The Thera eruption (the massive one) took place circa 22,000 years ago; the caldera seen today as the harbor was formed then. :')
The only major eruption in historical times dates to circa 200 BC, which goes a long way toward explaining how Herodotus (who lived before that) doesn't mention it, even though he talks quite a bit about Santorini / Thera / Calliste.
As consolation to you...
It also means that Plato didn't base his Atlantis story on the eruption of Thera, since A) it hadn't happened yet, unless one counts the 22,000 year BP major eruption, and B) never made sense in the first place.
:'D
I'm leaning toward SE Asia for the site of Atlantis these days.
Now, about Thera, I'm not gonna throw out the 1628BC date just yet. There's a lot of (other) supporting evidence for a major eruption at that time.
It's a little strange to me that the Thera eruption -- 22,000 years ago -- hasn't been fingered by someone out there as the cause, or a cause, or a contributing factor, of the most recent glaciation. :') I don't see it as such, but it's still strange that no one has.