Alaska is in the Alaska Time Zone. The Alaska Time Zone covers mainland of the state of Alaska. Alaska is nicknamed "The Last Frontier." It is believed to be nicknamed this because of its opportunities and many lightly settled regions. Its other nickname is "Land of the Midnight Sun" because the sun shines nearly around the clock during Alaskan summers. The "Ring of Fire" is an arc stretching from New Zealand, along the eastern edge of Asia, north across the Aleutian Islands of Alaska, and the south along the coast of North and South America. The Ring of Fire is composed of over 75% of the world's active volcanoes surrounding the Pacific.