David A. Johnston was killed just hours after his last ever picture was taken. The volcanologist from Chicago, US was once ...

This is the spectacular moment the Santiaguito volcano eruption was seen from the air in Guatemala. Dramatic footage, including drone and thermal imagery, shows glowing, red-hot rocks and thick plumes ...

They found that none of it is near levels where an eruption is imminent. Mount Saint Helens, before and after a lateral eruption blew up half the mountainside. Photo: USGS When Mount Saint Helens ...

[13] Dyshidrosis is characterized by transient (but recurrent) and often symmetrical vesicular eruptions on the palms, soles, and/or lateral aspects of the fingers. These eruptions do not occur ...