Echinus Geyser in Yellowstone National Park, a rare acidic geyser and the largest in the world, has recently been observed actively erupting again for the first time since 2020.

The largest acidic geyser in the world, Echinus Geyser, is active again, with eruptions occurring every 2 to 5 hours, according to the USGS.

Learn more about the Echinus Geyser at Yellowstone Park, which recently erupted, but may not sustain into the summer.

Whether this activity will persist through the summer months, allowing tourists to observe, remains uncertain.

Yellowstone’s Echinus Geyser awakens after years of dormancy, offering rare eruptions and unforgettable experiences for ...

Echinus is the largest known acidic geyser on Earth.

The Echinus Geyser had been silent for the last six years, and it is unknown whether the eruptions will continue into the summer.

The ground at Yellowstone does not always move quietly, and sometimes it waits for years before suddenly coming back to life. That is exactly what has.

A long-dormant Yellowstone geyser – the largest acidic geyser in the world – recently started erupting again. (MA Bellingham via USGS) ...

Yellowstone has documented an eruption from its Echinus Geyser, which slowly ceased erupting in the decades leading up to ...

The Echinus Geyser at Yellowstone National Park, which is the biggest acidic geyser on the planet, has been “wowing” visitors due to a reawakening that is both a rare gem and striking view. Situated ...

Echinus Geyser in Yellowstone National Park’s Norris Geyser Basin is erupting again for the first time since 2020, after renewed activity began in early Februar ...