Agrihan (Paperback)

High Quality Content by WIKIPEDIA articles Agrihan (also spelled Agrigan) is a stratovolcano which forms an island in the Northern Mariana Islands in the Pacific Ocean. The entire island is a massive volcano which rises over 4,000 meters (13,120ft) from the ocean floor, and is the fifth largest in the Marianas volcanic arc. At 965m (3,166ft), its summit is the highest point in Micronesia. The volcano is topped by a large caldera, 1 x 2km (0.6 x 1.2mi) in size and about 500m (1,640ft) deep.