When explorers first discovered Mud Volcano in the 19th century, the rumbling eruptions could be heard half a mile away. Mud Volcano shook the ground and flung mud into the treetops. The volcano later blew itself apart and is not as active for today's visitors to Yellowstone National Park. Fortunately, Mud the Volcano Area still has several interesting hydrothermal features to witness. ... Read more.
By: Published: August 21, 2012 Last updated: June 9, 2017