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 ...

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 ...

Where Volcanoes Are Born Most volcanoes form at the boundaries of Earth's tectonic plates, which are huge slabs of crust and upper mantle that fit together like puzzle pieces. Think of these plates as ...

For much of 2025, an underwater volcano off the Oregon coast was treated as a geological ticking clock, with forecasts suggesting it could erupt at almost any moment. Instead, the year is ending ...

Tephra is the Greek word for ash, and it is the label we use for rocks that come flying out of the volcano during an eruption. Every feature of every single tephra grain has something significant to ...

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 ...

The young man was found dead in a small room near the entrance to the Hall of the Augustales, a civic order of freedmen, a bit like a freemason lodge. Perhaps he was a security guard. He’s been ...

A decrease in seismic activity while magma continues to accumulate underground in Iceland has left scientists unsure of what may happen next, including whether an eruption would occur in the area they ...

It is rare that the birth of an island can be watched by humans in real-time, but that could be what is happening in Spain's Canary Islands. Residents of La Restinga on the island of El Hierro were ...

Humans are overloading ecosystems with nitrogen through the burning of fossil fuels and an increase in nitrogen-producing industrial and agricultural activities, according to a new study. While ...

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 ...

The young man was found dead in a small room near the entrance to the Hall of the Augustales, a civic order of freedmen, a bit like a freemason lodge. Perhaps he was a security guard. He’s been ...