Cortes Bank
Shallow seamount in the North Pacific Ocean southwest of Los Angeles
Cortes Bank
Cortes Bank, historically charted as San Juan Island, is a shallow seamount (a barely submerged island) in the North Pacific Ocean off California. It is 96 miles (83 nmi; 154 km) southwest of San Pedro in Los Angeles, 111 miles (96 nmi; 179 km) west of Point Loma in San Diego, and 47 miles (41 nmi; 76 km) southwest of San Clemente Island in Los Angeles County. It is considered the outermost feature in California's Channel Islands chain. At various times during geologic history, the bank has been an island, depending on sea level rise and fall. The last time it was a substantial island was around 10,000 years ago during the last ice age. It is possible that this island was visited by the first human inhabitants of the Channel Islands, most notably San Clemente Island, whose seafaring residents would have been able to see the island from high elevations on clear days. The shallower reaches of the bank comprise about 15 to 18 miles (24 to 29 km) of sandstone and basalt, and they rise from...
Read on Wikipedia · Image NOAA office of coast survey, Public domain
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