Today has continued calm around Yellowstone Lake. There has been just one earthquake today, just after midnight, and the ground shaking on the webcorders maintained by the University of Utah have also shown dramatically reduced activity. This could indicate that the movement of magma underground has stopped, possibly due to blockage. The most recent quakes were all at the northeast end of the lake, though, just where many of the largest hydrothermal explosions have occurred in the past - creating Mary Bay among many other features. Time will tell if this calm represents the end of the swarm, or something else. I'll post more updates if events warrant.
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