The eruptions at Kilauea prompted closures at a national park and part of a highway because of falling glassy volcanic fragments, including ash.

Kilauea’s latest eruption dumped as much as 12 inches of volcanic debris across parts of Hawaiʻi Volcanoes National Park, ...

A volcano on Atka Island in the Aleutians has been showing increasing signs of unrest over the past two weeks, and scientists say the uptick in activity is significant enough to warrant a closer watch ...

It started as a go-for-broke experiment, but it wound up saving an ecosystem.

Back in January, SFGATE was on the ground in the national park during a previous eruption episode that also rained tephra ...

Tephra is fragmented volcanic material — including ash, rock and strands of volcanic glass — blasted into the air during an ...

SHOCKING footage shows the moment a volcano erupted in the Philippines, sending an ash cloud shooting three miles into the ...

A rare satellite image shows Mayon volcano’s 2026 eruption in the Philippines, combining natural color and infrared to reveal lava flows and pyroclastic activity, according to NASA and PHIVOLCS ...

Kīlauea has erupted episodically within the summit caldera since Dec. 23, 2024. Episode 43 lava fountaining happened for just ...

A new detection method called “Jerk” could dramatically improve how scientists forecast volcanic eruptions. By using a single broadband seismometer, the system can detect extremely subtle ground ...

From the rice paddies of South Asia to the wheat fields of northern China, summer monsoon rains sustain the livelihoods of ...

The Laacher See volcano in Germany has emitted a new deep signal, and scientists are analyzing changes beneath the surface ...