>They're calling it a 'swarm'
>
>http://www.seis.utah.edu/req2webdir/recenteqs/Maps/Yellowstone.html

There was recently a swarm in British Columbia too. It was attributed to a magma chamber moving closer to the surface. Yellow Stone is a super volcano with the potenial to do some serious damage if it let's go. Remember to duck and cover while responding to this message.