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Caldera or crater…what’s the difference? | U.S. Geological Survey

USGS (.gov)
A caldera is a type of crater, but calderas are distinguished by their large sizes and specific association with volcanic collapse.
12 months ago

Caldera Collapse Increases the Size and Duration of Volcanic Eruptions

NASA (.gov)
“During a caldera collapse, a massive block of rock near the top of the volcano slides down into the volcano. As it slides, gets stuck on the...
44 months ago

Geology - Valles Caldera National Preserve (U.S. National Park Service)

National Park Service (.gov)
Valles Caldera National Preserve is located in the Jemez volcanic field at the intersection of two major fault systems, the Rio Grande Rift and the Jemez...
10 months ago

Potential for rupture before eruption at Campi Flegrei caldera, Southern Italy | Communications Earth & Environment

Nature
The results provide new constraints for evaluating the volcano's potential to erupt or to subside without eruption.
19 months ago

Caldera Collapse as a Natural Example of Rock Friction

Eos
Caldera formation during volcanic eruptions results from recurrent frictional slips on the caldera wall. They serve as natural rock friction experiments.
6 months ago

A Journey Into an Alaskan Volcano

Columbia University
A Columbia Climate School Ph.D. student recounts a research expedition into an active volcano in the Aleutian Islands.
40 months ago

Historic Santorini eruption pales in comparison to ancient blowout

Berkeley News
Evidence for huge underwater eruption 500,000 years ago, part of a still-active volcanic arc in the Aegean. By Robert Sanders.
12 months ago

Kilauea volcano erupts in Hawaii, sending lava spewing along summit caldera

USA Today
Kilauea volcano erupts in Hawaii, sending lava spewing along summit caldera ... The Kilauea volcano erupted Monday morning on Hawaii's Big Island...
4 weeks ago

Recent caldera collapses captured by volcano monitoring networks provide insights on the collapse of the Yellowstone caldera | U.S. Geological Survey

USGS (.gov)
Observations and monitoring data from several caldera collapses at other volcanoes in the 20th and 21st centuries provide clues.
18 months ago

New Volcano, Old Caldera

eos.org
Researchers suggest a magma chamber sits within an old submarine caldera structure that extends into the mantle. Nearby, a new underwater...
49 months ago