The fading daylight gives way to the increasingly stronger reflection of the surface of the active lava lake in the steam clouds above it (Photo: Ingrid Smet)
Glossary of geologic terms A growing list of often illustrated explanations and definitions of geological terms and keywords, with focus on volcanology and seismology.
Ubinas activity updates The most frequently active volcano in Peru entered a new eruptive phase in 2014. Updates and news are regularly posted on this page.
Igneous or magmatic rocks The most primitive rock type forms when magma (molten rock) solidifies - either inside the earth (plutonic rocks) or during volcanic eruptions (volcanic rocks). A short overview.