Page 425 - Mexico Diving From the Caribbean to Pacific Isles

Socorro Island

Socorro Island (Isla Socorro) is a small vol- from the sea to 1,050 meters (3,440 feet) in mounts on the ridge are post-abandonment
canic island in the Revillagigedo Islands, elevation at its summit. Isla Socorro is a shield alkaline volcanoes. Socorro Island is unusual
a Mexican possession lying some 600 kilom- volcano. The island is part of the northern in that it is the only dominantly silicic peral-
eters off the country’s western coast. The size Mathematicians Ridge, a mid-ocean ridge kaline volcanic island in the Pacific Ocean.
is 16.5 by 11.5 km, with an area of 132 km². It that became largely inactive 3.5 million years
is the largest of the four islands of the Revilla- ago when activity moved to the East Pacific
gigedo Archipelago. The island rises abruptly Rise. All four islands along with the many sea-