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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.
Worldwide earthquake activity level What is the level of global earthquake activity today compared to the past? Find out with our graph showing the current and past Global Seismic Activity Level indicator!
Bromo volcano photos Bromo is one of Indonesia's most visited volcanoes. It is the most active vent inside the huge Tengger caldera and erupts every few years.
Volcano News group Join our group on facebook: post reports, updates, or other interesting facts about volcanism and volcanic activity worldwide and discuss with other members.