Harwati clasped her hands and offered a prayer on the edge of a sludge lake on the Indonesian island of Java, as dozen of residents gathered to mark two decades since mud volcano eruptions began ...

Stunning social media videos erupted from the northern coast of Colombia on Feb. 25, when a mud volcano exploded, shooting flames high into the sky and prompting evacuations, local officials reported.

A webcam at Yellowstone National Park has captured a so-called dirty explosion throwing a mix of superheated water, mud, and anything else handy 10-12 meters (30-40 feet) into the air above Black ...