Pele’s Tears are small bits of volcanic glass formed when droplets of molten lava are ejected into the air and solidify quickly into teardrop-shaped spheres. They are named after Pele, the Hawaiian goddess of fire and volcanoes and are commonly ...
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All statements are correct. A volcano is a conduit for magma to reach the surface. This process typically forms a circular, funnel-shaped mountain or hill around the vent. Furthermore, they are scientifically categorized based on their eruption history into three ...
Charles Richter developed his scale using the maximum amplitude (height) of the largest wave recorded on a Wood-Anderson torsion seismograph. It was originally designed only for shallow earthquakes in Southern California, using a base-10 logarithmic calculation to handle the wide ...
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 ...
Intraplate earthquakes occur away from plate boundaries, often on ancient faults or “failed rifts” (aulacogens) created millions of years ago. Although these rifts didn’t fully break the continent, they remain zones of crustal weakness that can reactivate under modern tectonic ...