Scientists know that changing tree leaves can indicate when a nearby volcano is becoming more active and might erupt. In a new collaboration between NASA and the Smithsonian Institution, scientists ...

Add Yahoo as a preferred source to see more of our stories on Google. Volcanoes in Alaska, Washington state, Oregon and Hawaii have been rumbling and even spewing lava, enough to spark a swarm of news ...

The U.S. Geological Survey classifies Three Sisters as a "very high" threat volcano under the National Volcano Early Warning ...

While the USGS scientists learned plenty about volcanism in El Salvador during this trip, it also provided key insights to ...

This week the U.S. Geological Survey Cascades Volcano Observatory, in cooperation with the U.S. Forest Service and Mount Hood National Forest, installed three new volcano monitoring stations on the ...

Over the past century, technological advancements have vastly improved volcano monitoring. One key innovation was the introduction of modern borehole tiltmeters, devices that measure very small ...

Mount Spurr, whose volcanic ash darkened Anchorage’s skies in 1953 and 1992, may be building toward another eruption, according to a statement issued Thursday by the Alaska Volcano Observatory. For ...

BACOLOD CITY, NEGROS OCCIDENTAL, Philippines — Crater glow, or “banaag,” observed with the naked eye at Kanlaon Volcano on ...

A spending freeze could disrupt systems that warn communities when eruptions appear imminent. By Raymond Zhong When the fuming and rumbling at Mount Spurr, a giant volcano northwest of Anchorage, ...

Two Singaporeans and a local person were in no-go zone when they were killed, say officials ...

Volcano Watch is a weekly article and activity update written by US Geological Survey Hawaiian Volcano Observatory scientists ...