The distribution of mountain ranges is closely related to the distribution of earthquake epicenters and volcanoes because all three are strongly associated with the movements and interactions of tectonic plates. Mountain ranges typically form at convergent plate boundaries where two plates collide, causing the Earth's crust to uplift and create mountains. These convergent boundaries also tend to be zones of intense seismic activity, so earthquake epicenters often cluster near mountain ranges. Additionally, volcanoes are common at these boundaries, particularly where one tectonic plate subducts beneath another, leading to magma formation and volcanic eruptions. Earthquake epicenters and volcanoes are generally concentrated along tectonic plate boundaries, the same regions where mountain ranges form. For example, the Pacific Ring of Fire, a major volcanic belt, is also home to many mountain ranges and a high frequency of earthquakes due to the active subduction zones around the Pacific Ocean. Similarly, the Himalayas, a massive mountain range, coincide with many earthquake epicenters and some volcanic activity resulting from the collision of the Indian and Eurasian plates. In summary, the relationship among mountain ranges, earthquake epicenters, and volcanoes reflects the dynamic tectonic processes at plate boundaries, where plate collisions, subduction, and other movements lead to mountain building, seismic events, and volcanic activity.