Multimedia Gallery

Shakemovie animation showing seismic waves emanating from the magnitude 8.8 Kamchatka Peninsula earthquake.

Just over one year ago, early morning visitors to Yellowstone’s Black Diamond Pool suddenly found themselves filming a spectacular event. The July 23, 2024 hydrothermal explosion threw material hundreds of feet high, including rocks that were a foot or more across.

Grand Prismatic Spring is the largest hot spring in the US, and one of the largest in the world. The boiling lake was named for the spectacular array of colors along its rim.

In May 2025, record rainfall in Australia's New South Wales created major flooding along the coast. In Taree, a mid-North Coast city, the Manning River reached a height of 6.4m on May 21st. The previous record of six meters was set back in 1929. The torrential rains have left almost 800 properties and counting uninhabitable in New South Wales.

There’s a lot of hot water in Yellowstone. What’s it heated by? The magma chamber beneath the surface, of course!

The St. Marys River between Michigan and Ontario is typically frozen January through March. The US Army Corp of Engineers performs maintenance on regulated access channels (the Soo Locks) during the coldest months.

If you want to find a lava flow in Yellowstone, look to the trees! The vegetation is telling us more than you might think.

YVO Scientist-in-Charge Mike Poland reveals how vegetation can be used to map geology in this month's update from the Yellowstone Volcano Observatory.

Well look at this mess! What’s going on? 

We’re just south of Mammoth Hot Springs at a place informally known as the Hoodoos. The official designation for the area is Silver Gate, named by an early Yellowstone National Park visitor because of the way the road wound between the closely spaced white and gray boulders.