2025年2月25日 · The world's largest volcano: Mauna Loa, which rises 30,000 feet (9,000 meters) above the seafloor. Number of active volcanoes in the U.S.: 165.

2024年4月7日 · A view of Mount Erebus from the Ross Sea in Antarctica. (Image credit: Alamy) Deception Island, on the other hand, is the caldera of an active volcano, which last erupted in 1970, according to the ...

2025年1月9日 · Despite the large volume of magma pooling below Yellowstone, the caldera isn't likely to erupt anytime soon. That's because the magma sits in pore spaces in solid rock within the caldera, much ...

2025年3月18日 · In 1992, volcanic tremor started about three weeks before Mount Spurr erupted. Another nearby volcano that erupted in 2009, Mount Readout, showed volcanic tremor for two months before it blew its top.

2017年2月2日 · The U.S. Geological Survey defines a volcano as a vent in Earth's surface, either on land or on the seafloor, from which molten rock called magma, as well as ash and gases, can erupt or ooze.

2024年5月31日 · Europe's awakening Campi Flegrei volcano experienced its biggest seismic swarm in 40 years, with 150 earthquakes rocking the region in southern Italy in the evening of May 20.

2025年3月11日 · Before then, the volcano's most recent major eruptions were in 2016, 2014, 2007 and 2003. In the past, researchers also sighted ephemeral islands up to half a mile (1 km) wide being birthed by the ...

2025年3月2日 · The volcano has been experiencing about 75 years of unrest, which may or may not lead to an eruption. Should such an eruption occur, it is almost certain to be small, said Christopher Kilburn, a ...

2024年8月2日 · Tanzania's outlandish Ol Doinyo Lengai volcano, the only volcano on Earth that is currently erupting carbonatite lava, has been sinking at a rate of 1.4 inches per year for the past decade.

2024年8月6日 · Locals watch lava pour down Momotombo during an eruption on Dec. 2, 2015. (Image credit: STR/AFP via Getty Images) In the photo, the volcano appears to be coughing up a cloud from its summit.