Nov 9, 2026
The Yellowstone Volcano Observatory reports earthquakes, ground motion and hydrothermal activity every month. Here is what those numbers mean and what USGS says about the chance of an eruption.
Nov 9, 2026
Kīlauea's summit eruption comes in short bursts of lava fountaining separated by pauses of weeks. This is how the Hawaiian Volcano Observatory reports each stage.
Nov 9, 2026
Every USGS volcano update starts with two labels. One is written for people on the ground, the other for pilots, and they usually change together.
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