Yellowstone volcano: activity updates
Yellowstone volcano (Wyoming, USA) activity update: occasional small earthquake swarms
Sunday Oct 07, 2012 10:05 AM | BY: T
Current seismic signal b207 station (Univ. Utah / USGS)A small earthquake swarm occurred under the Yellowstone caldera. The quakes are few and very small and no indicator of an impending eruption. It completely falls under what is normal behavior of an active caldera.