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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.
Monthy earthquake reports For each month since July 2012, we publish a summary of quake activity world-wide: find the list of largest quake, a map showing all significant quakes as well as detailed statistics on seismic activity during this time.
Nyiragongo volcano photos Nyiragongo (DR Congo) has the world's largest and most active lava lake. Enjoy our pictures taken during several expeditions over the past years.
Latest quakes at Katla volcano One of Iceland's most active and dangerous volcanoes is showing signs of unrest and statistically due for a new eruption. Earthquakes could give a clue.