Introduction to Plate Tectonics: The Earth's upper, rigid layer is broken into several plates which are in constant motion to one another. Most earthquakes and volcanoes occur as result of these plate boundaries.
Try our new app!: Volcanoes & Earthquakes - our new free App for Android shows the latest earthquakes and active volcanoes on a map and as list, as well as volcano news from all the world. You can filter the data shown in various ways, e.g. by magnitude or age of earthquakes, the distance from your location, the status of volcanoes and so on.
Krakatau volcano photos: Hundreds of photos from active Krakatau volcano in the Sunda Strait, Indonesia. Most of them taken during our various expeditions to this fascinating volcano.
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