When a volcano starts flaring up, sputtering and spewing emissions into the atmosphere, vog often develops. Posted: January ...

Vog forms when sulfur dioxide (SO₂) and other volcanic gases react chemically with atmospheric moisture, oxygen, sunlight, ...

(ABC 6 News) — In Hawaii, the world’s most active volcano resumed its latest eruption on Wednesday night. This is the fifth episode from the Kilauea volcano since it started to erupt just before ...

PHOTO BY M. ZOELLER / COURTESY USGS A Hawaiian Volcano Observatory geologist is silhouetted by the illuminated gas plume emanating from Halemaumau crater on Wednesday during the fifth episode of ...