The Volcano Observatory Notice to Aviation (VONA) is a notification product used by volcano observatories globally to inform ...

Volcano Watch” is a weekly article and activity update written by U.S. Geological Survey Hawaiian Volcano Observatory ...

The U.S. Geological Survey has kicked its Volcano Observatory Notices to Aviation into a new, aviation ready format that lets flight planning systems digest alerts about volcanic plumes and ash more ...

The alert level for Mauna Loa is currently “normal”; we expect to see additional changes such as increased seismicity or gas emissions before any future eruption. Even during quiet times, keeping a ...

Federal scientists are pushing back against viral claims that “mega eruptions” could strike within days, even as they quietly prepare for the possibility that any restless volcano can change behavior ...

Echinus is the largest known acidic geyser on Earth.

And although those volcano eruptions are not part of a trend, experts have said, the volcanoes in question are far from the ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Hawaii's Kilauea volcano is once again shooting lava more than 1,000 feet into the air. Episode 36 of the current series of ...

The updated U.S. Geological Survey assessment finds that 161 U.S. volcanoes pose potential threats to American lives and property, eight fewer than in 2005. The eighteen very highest threat volcanoes ...

Add Yahoo as a preferred source to see more of our stories on Google. Hundreds of earthquakes took place over the weekend in Hawaii, the U.S. Geological Survey said, indicating a possible volcanic ...