The Hawaiian Volcano Observatory is part of the U.S. Geological Survey, the science agency of the U.S. Department of Interior. Our job is to obtain and share science-based information about the ...

Scientists recreate magma and water reactions in a lab to understand explosive volcanic eruptions and improve hazard ...

Ethiopian volcano eruption: On Sunday, November 23, 2025, Ethiopia’s Hayli Gubbi volcano erupted for the first time in over 10,000 years, leaving scientists and locals stunned. The eruption sent ...

A new instrument type has discovered evidence of a volcanic process on the Moon that had only been seen on Earth. “Before the 1950’s, most scientists thought the craters on the Moon were from ...

Volcanoes emit smoke. Beneath a volcano lies a huge chamber filled with liquid magma. A series of earthquakes means an ...

A scientific team is monitoring in real time the signals that could foreshadow one of the most studied geological phenomena in the Pacific Ocean ...

A giant mound near the Moon’s south pole appears to be a volcanic structure unlike any other found on the lunar surface, according to new research. The formation, known as Mafic Mound, stands about ...

Over millions of years, the Earth’s upper layers have performed a dance that has created mountains, volcanoes, continents, ridges and ocean trenches. Tectonic plates play a key role in this process.

The explosiveness of a volcanic eruption depends on how many gas bubbles form in the magma—and when. Until now, it was thought that gas bubbles were formed primarily when the ambient pressure dropped ...

Volcanic eruptions frequently interfere with human affairs; impacts range from minor nuisances to major disasters. Some 50 to 65 different volcanoes typically are active in any given year, and among ...

Latitudinally corrected 3-GHz TA shown at midnight local time. (a) These data show a clear localized antenna temperature (TA) enhancement of about 9 degrees Kelvin centered on the mapped ...