Ring of Fire, long horseshoe-shaped seismically active belt of earthquake epicenters, volcanoes, and tectonic plate boundaries that fringes the Pacific basin. Most of the world’s earthquakes and approximately 75 percent of the world’s volcanoes occur within the Ring of Fire. More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.