Yellowstone quake map

The cluster of yellow and orange dots northeast of West Yellowstone, Montana, represents the latest earthquake swarm in Yellowstone National Park. Scientists suspect that the hundreds of small temblors that have occurred are an extension of 2017’s Maple Creek earthquake swarm.

Recent rumblings of the Earth near West Yellowstone, Montana, are likely the extension of an “earthquake swarm” that has been taking seismometers for a ride since June.

That’s the take of seasonal Moose resident and University of Utah geophysicist Bob Smith, who hypothesizes that the seismic activity is decades-later aftershocks of the deadly, damaging 1959 Hebgen Lake earthquake.

Contact Mike Koshmrl at 732-7067, or @JHNGenviro.

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