The Circum-Pacific Belt is the scientific name for the Ring of Fire. It is the region where the vast majority of the world’s active volcanoes are located. This belt follows the edges of the Pacific Ocean and is the result ...
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Mount Pinatubo in the Philippines erupted in 1991 after being dormant for roughly 600 years. It was one of the largest volcanic eruptions of the 20th century. The eruption was so massive that the sulfur dioxide it released into the ...
S-waves are shear waves that move by displacing atoms perpendicular to the wave’s path. This requires “shear strength,” which only solids possess. Since the outer core is a liquid (molten iron and nickel), it has no shear strength, causing S-waves ...
While erosion, volcanoes and weathering are processes that occur directly on or from the terrestrial surface, a Tsunami is a phenomenon that originates underwater (on the seafloor). Although its effects are felt on the coast, the “event” itself is a ...
An isoseismal line is a contour line on a map that connects locations experiencing the same intensity of earthquake shaking. These lines help scientists visualize the distribution of damage and the impact of local soil conditions on seismic energy. They ...