Scientists with the Monterey Bay Aquarium Research Institute (MBARI) recently discovered the deepest known hydrothermal vents in the Pacific Ocean during expeditions in the Gulf of California. The location of the vents are in a portion of the Gulf of California known as the Pescadero Basin, approximately one hundred miles east of La Paz. At 3,800 meters below the surface, this newly discovered field of hydrothermal vents are the deepest known in the Pacific Ocean.

The vents were initially discovered by towing an autonomous underwater vehicle (AUV) approximately 50 meters above the seafloor to map the bottom topography.

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