Volcanic activity encompasses all processes associated with the movement and eruption of magma and volatiles from Earth’s interior to its surface, including effusive lava flows, explosive eruptions, degassing, and the formation of associated edifices and deposits. It is governed by magma generation in the mantle and crust, melt composition, temperature, volatile content, and tectonic setting (e.g., subduction zones, rifts, hotspots). Volcanic activity is studied through petrology, geophysics, gas geochemistry, geodesy, and remote sensing to quantify eruption dynamics, magma ascent rates, and hazard potential, and it exerts major controls on crustal growth, surface morphology, and volatile fluxes to the atmosphere and hydrosphere.
Observations of the Rimae Bode region on the moon reveal five distinct types of terrain and identify several potential landing sites for China's first crewed mission, according to research titled "Geology of Rimae Bode region ...
Space Exploration
Mar 9, 2026
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Japan is looking into using a remote deserted Pacific island nearly 2,000 kilometers (1,250 miles) from Tokyo as a site for burying nuclear waste, officials said.
Environment
Mar 4, 2026
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Volcanoes and wildfires can inject millions of tons of gases and aerosol particles into the air, affecting temperatures on a global scale. But picking out the specific impact of individual events against a background of many ...
Earth Sciences
Feb 23, 2026
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Volcanic eruptions are significant geologic hazards. Underwater volcanoes are challenging to study, yet they play an integral role in marine geology and may cause destructive tsunamis that can threaten coastal communities.
Earth Sciences
Feb 20, 2026
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In a world-first use of medical imaging technology, scientists have revealed the earthquake-generating potential of faults in the Hamilton and Hauraki areas. The study shows that hidden geological faults in Hamilton city ...
Earth Sciences
Feb 19, 2026
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About 56 million years ago, Europe and North America began pulling apart to form what became the ever-expanding North Atlantic Ocean. Vast amounts of molten rock from Earth's mantle reached the ocean floor as the crust stretched ...
Earth Sciences
Feb 18, 2026
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59
What appears to be a single volcanic eruption is often the result of complex processes operating deep beneath the surface, where magma moves, evolves, and changes over long periods of time. To fully understand how volcanoes ...
Planetary Sciences
Feb 11, 2026
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44
Volcanic activity is not unique to Earth: traces of volcanic activity, such as lava tubes, have been found on Mars and the moon. Now, the University of Trento has demonstrated the existence of an empty lava tube even in the ...
Planetary Sciences
Feb 9, 2026
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The magnitude 6.9 earthquake that took place in 2018 on the south flank of Kīlauea on the Island of Hawaiʻi may have stalled episodes of periodic slow slip along a major fault underlying the volcano, according to a new ...
Earth Sciences
Feb 5, 2026
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A volcano in Russia's far east on Wednesday spewed ash several kilometers into the sky, authorities said, putting on a spectacular display in its latest eruption.
Environment
Jan 28, 2026
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