News

Visitors to Yellowstone ask a lot of questions! So how do park rangers answer when they are asked, “where is the volcano?”

The M7.3 Hebgen Lake earthquake in 1959 is one of the two the largest recorded earthquakes in the entire Intermountain West of the United States.  We...

We sometimes think of Yellowstone as an untouched landscape, but humans have been present in the area for over ten thousand years!  The history and...

Yellowstone is not the only large caldera system in the world.  Indeed, caldera systems can be found all over the planet!  In New Zealand, the Taupō...

Early explorers during the separate Washburn, Hayden, and Hague expeditions of the 1870s were astonished by the massive terraces and pools of hot...

Kīlauea's summit is no longer erupting; lava supply to the Halemaʻumaʻu lava lake has ceased and sulfur dioxide emissions have decreased to near pre...

Yellowstone’s hot spring waters ultimately flow for thousands of miles before entering the ocean. But waters enter two different oceans—the Gulf of...

Small hydrothermal explosions—steam blasts—are common at Yellowstone, occurring every year or two.  Most happen in the backcountry and are not...

You are invited to a public lecture about the 1980 Mount St. Helens eruptions.

Earthquake swarms are common at Yellowstone, but why do they occur?  Are they driven by magma migration?  Water?  Steady creep along faults?  All...