Volcanoes are classified into three types based on frequency: Active, Dormant and Extinct. A Composite volcano (or stratovolcano) is a classification based on structure and shape, not frequency. It refers to a volcano built up by many layers of hardened ...
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Attenuation is the weakening of seismic waves as they move away from the source. This happens because the energy spreads over a larger area (geometric spreading) and is absorbed by the rocks (frictional heating). High-frequency waves attenuate faster than low-frequency ...
The Asthenosphere, located just below the lithosphere, is a “Low Velocity Zone” because the rocks there are near their melting point and are slightly plastic. This semi-fluid state causes seismic waves, especially S-waves, to slow down as they enter this ...
Mount Kilimanjaro is located in Tanzania, East Africa. It is the highest mountain in Africa and the highest single free-standing mountain in the world. While it is often called extinct, its highest cone, Kibo, is technically dormant and could erupt ...
Laccolith is a term related to volcanic activity, specifically intrusive volcanism. It is a lens-shaped mass of igneous rock that has intruded between layers of sedimentary rock, causing the overlying strata to bulge upward in a dome-like shape while the ...