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Dr. Earle at the California Seamounts Hope Spot Launch in San Francisco

On May 14th, 2019, the Mission Blue team and the ocean conservation community gathered at the San Francisco Exploratorium to celebrate the launch of the California Seamounts Hope Spot. Dr. Sylvia Earle closed out the evening with her thoughts on protecting the California seamounts from exploitation and of the global state of ocean conservation.
 

 
“Thank you – all of you — for coming from where you came from to be here to salute the ocean and salute the cause for hope. I’m looking at the cause for hope right now: you’re here, and you care. We’re all at this amazing point in history – early in the 21st century — we’re armed with that most important thing called knowledge. …

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Ocean Organizations Designate Seamounts off California Coast as Newest Hope Spots in Worldwide System

CALIFORNIA COAST, UNITED STATES (May 14, 2019) – Deep below the ocean’s surface, not far from the beautiful beaches of the California coast, where millions sunbathe, surf, and enjoy the majesty and tranquility of the sea, lies a world of underwater mountains, volcanoes and ancient islands called seamounts. These seamounts provide a home to biologically important treasures critical to the health of the ocean. Although virtually unknown to the Golden State’s nearly 40 million residents, the seamounts are home to creatures like the endangered blue and gray whales and sperm whales, sharks, rare deep‐sea corals that take hundreds of years to grow, and seabirds hunting high overhead for fish that aggregate near the seamounts. Unfortunately, the dozens of vibrant seamounts along California’s coast and across the globe face a risky future due to potential deepsea trawling, ocean warming and acidification, offshore drilling, and the rise of deep-sea mining, a practice that extracts minerals from the seamounts and seabed.…

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Rodriguez Seamount – A Geologic Rarity

By Samuel Georgian, Marine Biogeographer at Marine Conservation Institute

Rodriguez Seamount is a 10–12 million-year-old seamount located approximately 42 miles off the coast of southern California. It towers over a mile above the seafloor, with its tallest summit cone standing over a little over 2,000 feet below the surface. Once upon a time, Rodriguez was an island standing as tall as 230 feet above sea level, with an area of 2.6 square miles. Like the neighboring San Juan Seamount, it has since sunk back beneath the waves largely due to the subsidence of the ocean crust beneath it. Due to the erosional forces it was exposed to as an island, its modern summit largely consists of a large flat dome, qualifying Rodriguez as a guyot – a flat-topped seamount.…

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New Seafloor Map from Scripps uses Google Earth to Reveal Mysteries of the Deep

By Courtney Mattison
Sylvia Earle often says, “We know more about space than we do about our ocean.” That surprising fact may soon change thanks to a new map produced using satellite data of variations in Earth’s gravitational field to reveal features of the seafloor that were previously undiscovered. By tapping into data streams from the Jason-1 and CryoSat-2 satellites, researchers at Scripps Institution of Oceanography at UC San Diego and their colleagues have made a breakthrough in seafloor mapping that “is like the difference between ordinary and high-definition television.”[i]

The data collected for the new seafloor map will inform the upcoming version of the global ocean seafloor in Google Earth and Maps and fill in large voids between shipboard depth profiles that have provided lower resolution seafloor mapping data in the past.…

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Summits for Science: Young Explorer Invites You to Seamounts of Anegada Passage

By Megan Cook
The ocean is home to many of the wonders of our planet – 72% of them to be exact. The deepest valleys, highest peaks, largest plains, and largest animal to ever live are all in our salty blue backyard right now. There are also mountains underwater – lots of mountains! Vast ridgelines peel around the world like zippers closing the boundaries of our ocean plates, and tens of thousands of seamounts dot the seafloor. Seamounts are isolated mountains, either active or extinct volcanoes jutting up from the seafloor, building some of the most unique and poorly understood ecosystems on our planet.
Rising sometimes miles off the seafloor, seamounts are hotspots for biodiversity in our oceans.  In the same way the world’s largest ball of yarn becomes a worthy detour to disrupt the monotony of a Midwestern road trip, the variation in topography and habitat structure of a seamount attracts life.…

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