As shown on the History Channel, "How the Earth Was Made: The Ring of Fire" explores the geology of the Pacific Ring of Fire, where most of Earth’s volcanoes and earthquakes occur. The video explains key Earth science concepts including plate tectonics, subduction, stratovolcanoes, magma, silica, viscosity, seismic activity, megathrust earthquakes, tsunamis, deep-ocean trenches, and mantle convection. Using examples from Alaska, Mount St. Helens, Krakatoa, and Mount Pinatubo, it shows how water-rich ocean sediments and moving tectonic plates generate explosive volcanic eruptions and powerful earthquakes. The documentary also connects seafloor spreading at mid-ocean ridges to the ongoing cycle of crust creation and destruction. This content strongly supports school curricula in geology, Earth systems, natural hazards, and scientific investigation. Part of the "How the Earth Was Made" series.