Pacific Ocean closed loop of the andesite line are most of the deep troughs, submerged volcanic mountains, and oceanic volcanic islands that characterize the Pacific basin. Here basaltic lavas gently flow out of rifts to build huge dome-shaped volcanic mountains whose eroded summits form island arcs, chains, and clusters. Outside the andesite line, volcanism is of the explosive type, and 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. The Pacific Ocean is the only ocean which is almost
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