No Pacific Ocean
Mexico
Revillagigedo Islands
Socorro Island: 100 yds SE of Humpback Cove
19Feb1972
0930
18°45.3'N - 111°00.0'W
18.755, -111.000
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20-35 ft
35 ft
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DD-6-72
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Chemfish (1 gal); spear
D Diener, D Wilkie, R Keyes, R Kiwala
vis ~45 ft
76°F
large lava dyke surrounded by boulders
sparse
none- slight swell
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