Aerial view of Marum crater from the north. Niri Mbwelesu crater left and the crater with the lava lake to the right. (Photo: Tom Pfeiffer)
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| Aerial view of Marum crater from the north. Niri Mbwelesu crater left and the crater with the lava lake to the right. (Photo: Tom Pfeiffer) Meer op VolcanoDiscovery:![]() 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. ![]() Tour photos May 2016: A selection of photos taken during our Java photo tour by Uwe Ehlers. ![]() Volcanoes & Earthquakes: Upgrade the Volcanoes & Earthquakes app! Once installed for a tiny one-time cost, it unlocks additional features, removes ads in the free version of the app. ![]() volcano-webcams.com: Watch volcanoes live: our free interactive webcam and online data viewer tool More: |