Funny, The landscape scientists have reported is rising which means the plume underneath yellowstone is building up in pressure. Was it an horizon episode of super volcano you watched Jethro?There's also been a lot of seismic activity along the Pacific "rim of fire" in recent months, which while stronger than normal, is the usual activity of the various tectonic plates. Hey and before you ask, I read that and don't have a degree in geology or associated fields.
Latest I've been reading on Yellowstone is the place is settling down a tad, some good news there for North Americans. Damn should never have watched the BBC's Super Volcano