Catherine Parker Old Faithful may be Yellowstone's most well-known geyser, but the Norris Geyser Basin is home to the park's oldest (thermal features are said to have been present here for more ...

The park is divided into eight areas: Canyon Village; Fishing Bridge, Lake Village and Bridge Bay; Madison and West Yellowstone; Mammoth Hot Springs and the North; Norris Geyser Basin; Old ...

Lightning strikes above the Fan and Mortar geysers in Yellowstone's Upper Geyser Basin. Geysers are formed when underground water meets superheated rock and blasts back out through a narrow hole.

Yellowstone Caldera Chronicles is a weekly ... Explosions that left craters about 10 feet (3 meters) across occurred in Norris Geyser Basin — in 1989 at Porkchop Geyser and more recently on ...

In contrast to the interesting hydrothermal activity at Yellowstone National Park, 2024 was seismically calm, writes Michael ...