The mile-high Wolf volcano in the Galapagos islands spewed fire and lava into the early morning sky Monday, threatening the ecosystem that Charles Darwin once studied. The volcano, which erupted for ...

Authorities reported tephra fall—including ash, Pele’s hair, and larger fragments—across Hawaiʻi Volcanoes National Park.

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

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 ...