Reply to thread

Message: <blockquote data-quote="catsclaw227" data-source="post: 5290397" data-attributes="member: 14197">Aren't the chances of Yellowstone busting it's nut higher than getting hit by a space rock?  Being a super volcano, it could do far more damage than a 50m asteroid hitting.  Apparently it has an alarmingly regular eruption cycle determined to be every 600,000 years, and the last eruption was more than 640,000 years ago, so we're more likely to be wiped out by this than anything extraterrestrial.Yellowstone also got scary active just after the Haiti quake, with a reported 1620 small quakes between Jan 17, 2010 and Feb 1, 2010, being the second largest swarm of quakes in the Yellowstone caldera ever recorded.One <a href="http://armageddononline.tripod.com/volcano.htm" target="_blank">online chicken-little</a> has this to say about what would happen if it erupts.  (note, I don't know where he gets the science from):Sounds scary.  But does anyone know how much of this is true and how much is 2012 style fear-mongering and superstition?  I mean, geological technology is getting pretty good, and they say that the ground in the Yellowstone caldera is 74cm higher than in 1923, and scientists from the USGS used InSAR (Synthetic Aperture Radar Interferometry) to map the changes in the northern rim of the caldera and discovered it had risen about 13cm from 1997 to 2003.I don't know, but that concerns me more than an asteriod.</blockquote>