A small hydrothermal eruption was captured on camera at Yellowstone National Park last weekend at the same site where a massive explosion destroyed a section of boardwalk last summer. According to the ...

The Black Diamond Pool, in Yellowstone's Biscuit Basin, blew up on Saturday evening. The area has been closed to the public ...

The webcam captured a small eruption at Black Diamond Pool in ... Michael Poland told USA TODAY. A hydrothermal explosion occurs when hot water in a volcano system turns into steam in a confined ...

Poland said. Blockages may have fueled a buildup of heat and pressure in a passageway beneath Biscuit Basin, which in turn may have flashed water into steam, causing a sudden expansion in volume ...