Concerning the new geyser, Valery Droznin of the Kronotsky Nature Reserve speculates that the geyser might be the result of an overactive hot spring, but why the hot spring might be pulsating to form ...

An earthquake swarm that rattled an area of Northern California early Thursday was another round of recurring temblors in a seismically active region that is home to the world's largest geothermal ...

The El Tatio geyser field. There’s a bus to the right for scale. Like a hidden world of chutes and ladders, the loopy plumbing beneath geysers may explain what causes them to erupt, a new study finds.

The major geyser fields on Earth were formed following the last glaciation (fewer than 14,000 years ago). Geysers are transient features with periods of activity and dormancy. They are affected by ...

The vast volcanic caldera at Yellowstone National Park is just the latest in a long string of volcanic sites, all of which seem to be linked to a hot blob of material that may go all the way down to ...

The spectacular steam and water fountains erupting from geysers makes tourists go "ooh" and "aah," but they present a plumbing problem for scientists: What goes on underground beneath a geyser?

Geyser eruptions at Yellowstone National Park are moments of rarefied beauty; spectacular reminders that we live on a geologically-dynamic planet. A recent eruption was also a reminder that we’ve ...

A 3.9-magnitude earthquake jolted the Geysers geothermal field north of Santa Rosa early Wednesday morning. There were no initial reports of damage. The temblor struck 1 kilometer north northeast of ...

Steamboat Geyser in the Norris Geyser Basin of Yellowstone National Park is the world's tallest active geyser, shooting water between 90 and 120 meters (300-400 feet) high. Unlike other geysers, ...