A newly installed Yellowstone webcam filmed a surprise eruption at the Black Diamond Pool in Biscuit Basin. Watch what happened. Skip to content.

The explosion in the Biscuit Basin's Black Diamond Pool also tossed some 3-foot-wide blocks of rock weighing hundreds of pounds, the YVO said in its email.

A newly installed Yellowstone webcam filmed a surprise eruption at the Black Diamond Pool in Biscuit Basin. Watch what happened. Skip to content.

A new light blue hot spring has formed in Yellowstone’s Norris Geyser Basin after months of small hydrothermal explosions.

A newly installed Yellowstone webcam filmed a surprise eruption at the Black Diamond Pool in Biscuit Basin. Watch what happened. Skip to content.

A Year After Yellowstone National Park’s Surprisingly Powerful Explosion, Another One Takes Place at Black Diamond Pool. Unlike last year’s, this explosion is much tamer.

A newly installed Yellowstone webcam filmed a surprise eruption at the Black Diamond Pool in Biscuit Basin. Watch what happened. Skip to content.

Documents preserved in the Yellowstone Heritage and Research Center indicate that more explosions occurred in 1918 and 1925, expanding the crater of Black Diamond Pool and forming Wall Pool.

A newly installed Yellowstone webcam filmed a surprise eruption at the Black Diamond Pool in Biscuit Basin. Watch what happened. Skip to content.

A newly installed Yellowstone webcam filmed a surprise eruption at the Black Diamond Pool in Biscuit Basin. Watch what happened. Skip to content.

A newly installed Yellowstone webcam filmed a surprise eruption at the Black Diamond Pool in Biscuit Basin. Watch what happened. Skip to content.