We had fun examining the V-Day Avalanche Gulch slide on Mt. Shasta last year as part of a bigger effort to explore how various observational networks and models in California can "paint the picture" of an extreme storm. Avalanches have unique seismic signals and we used the network on Mt Shasta to precisely time the avalanche.

Read the preprint of the submitted manuscript here

tl;dr: seismic instruments helped us nail down the timing of a big mo'fo'in natural slide and re-think what led to its triggering.

Click image for larger version. 

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Mike Hupp shot some great photos of the aftermath