This is not good news.
RSOE report – From Sept.16 but may have had delay in appearance on their map.
“A small earthquake struck in Yellowstone National Park near the Old Faithful geyser on Sunday, but even the seismic shaking could not stop the trusty waterspout. The U.S. Geological Survey said that a 3.6 magnitude earthquake struck at Yellowstone, centered close to six miles away from the geyser Old Faithful. The quake was part of a series of more than 100 tremors in the park since last Tuesday. . . . “
UPDATE, Sept. 23
The Watchers – Triple swarm of earthquakes rocks Yellowstone National Park
For people following the ideas about the North American Craton Plate being way too active in side to side motion this is frightening news. The Yellowstone area is extra scary because it sits on a huge ancient volcano. Video from the weather channel on it. Volcano under Yellowstone bigger than previously thought