Since Dec 26th, Siesmographs at Yellowstone Park have picked up a Earthquake Swarm event, that is still ongoing.
The event is occuring directly below Yellowstone Lake within the Yellowstone uplift region, about 10km's south of the central most point of the uplift area.
This activity is slowy tapering off, so it appears to be a periodic earthquake swarm event that are associated with regions of volcanic uplift. Similar to the swarm event at The Three Sisters uplift area in 2004.
There has been no increases in Gas emisions or Harmonic Tremors, indicating that this is most likey -NOT- a precursor event to any sort of eruption.
Yellowstone remains at a Normal advisory condition and at an aviation condition of Green.