Geology of the Pacific Ocean Guinea, and New Zealand lie outside the andesite line. Outside of the andesite line, volcanism is explosive; the Pacific Ring of Fire is the world's foremost belt of explosive volcanism. The Ring of Fire is named after the several hundred active volcanoes that sit above the various subduction zones. In 2009, the deepest undersea eruption ever recorded occurred at the West Mata submarine volcano, a mile beneath the ocean, close to the Tonga-Kermadec Trench, within the Ring of Fire; it was filmed by the US Jason robotic submersible which descended over . The Pacific Ocean is the only ocean which
Ocean City, Maryland Police services in Ocean City is provided by the Ocean City Police Department, which consists of 105 full-time officers and between 100 and 110 seasonal officers. Fire protection in Ocean City is provided by the Ocean City Fire Department, which consists of over 200 volunteer members and over 100 career members. Ocean City's elections are non-partisan. Ocean City has only a single major north−south thoroughfare, Maryland Route 528, known as the Coastal Highway for most of its length, and as Philadelphia Avenue at its southern end. MD 528 continues north into Delaware as Delaware Route 1. Between S. 1st Street