[Mike Darancette]

produced its three most recent caldera eruptions at or near the present site of Yellowstone National Park 2 million, 1.3 million and 642,000 years ago.

Looks like it's due.

...extending from the Oregon-Idaho- Nevada border northeast to Yellowstone.

I read someplace that this hotspot was created by a large object striking the Earth about 17mya.

[Dog Gone]

Looks like it's due.

No kidding. On a geologic timescale, it's the equivalent of any second now.

[RightWhale]

this hotspot was created by a large object striking the Earth about 17mya

Kind of a permanent weakness, then?

What about the idea that Hawaii and Iceland are similar types of hotspots that go very very deep as opposed to West Coast volcanos that are involved only with the continemtal plates? Would Yellowstone be very deep like Iceland and Hawaii?