Kīlauea has been erupting episodically since Dec. 23, 2024, primarily from two vents (north and south) in Halema‘uma‘u.

HILO The recently published Geologic map of the central-southeast flank of Mauna Loa volcano is the culmination of years of field work by the U.S. Geological Survey. This updated map supersedes the ...

The Cordón Caulle volcano in Chile is part of the Puyehue-Cordón Caulle Volcanic Complex along the Andes mountain range in southern Chile. Philipp Ruprecht, an associate professor at the University of ...

Geologic mapping has been one of the most fundamental mandates of the U.S. Geological Survey (USGS) since its establishment in 1879. Congress created the USGS to “classify the public lands and examine ...

In ʻŌlelo Hawaiʻi, or the Hawaiian language, we might call them puahiohio, or whirlwinds. In meteorological terms, these ...

Viewers watching the U.S. Geological Survey’s livestream of the latest eruption of Kīlauea on Tuesday evening were surprised ...

Indonesia's Geological Agency raised the alert for Mount Lewotobi Laki-laki to Level IV, suggesting a high risk of eruption.

In a mountainous region near the Iran–Pakistan border, satellite instruments have recorded a series of subtle changes in the ...

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America's geological wonders don't need erupting volcanoes to create breathtaking spectacles that look straight out of a science fiction movie. From towering mushroom-shaped rocks to mysterious moving ...