First off, here’s a skiing video, without a single mention of volcanoes. But everything they are travelling over, under, around and through is part of the Laguna del Maule volcano complex on the Chile-Argentina border.
Yes, it’s an active volcano. In fact, until last year it seemed the most likely candidate for the world’s next supereruption.
Earthquake swarms do happen there, and the top experts addressed the present one with a lengthy post yesterday, describing it in plain English. Here’s an excerpt:
While it may seem worrisome, the current seismicity is relatively weak and actually represents an opportunity to learn more about Yellowstone. It is during periods of change when scientists can develop, test, and refine their models of how the Yellowstone volcanic system works. Past seismic swarms like those of 2004, 2009, and 2010, have led to new insights into the behavior of the caldera system. We hope to expand this knowledge through future analyses of the 2017 and 2018 seismicity.
The earthquakes, too, serve as a reminder of an underappreciated hazard at Yellowstone—that of strong earthquakes, which are the most likely event to cause damage in the region on the timescales of human lives…
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