East Pacific Rise2
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Journey to the EPR
Yesterday we set sail from Manzanillo, Mexico, bound for a hydrothermal vent system on the East Pacific Rise (EPR) near 10 degrees North. The EPR is part of the world’s mid-ocean ridge system where new crust is formed as Earth’s plates spread apart. Many of the most exciting Earth processes occur at mid-ocean ridges, including…
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Quakes Under Pacific Floor Reveal Unexpected Circulatory System
Study Upsets Long-Held Image of Volcanism-Driven Hydrothermal Vents

On Saturday, October 17, 2026 from 10am to 4pm, Lamont-Doherty Earth Observatory Open House—our biggest, best science fun and discovery event of the year—will take place on our beautiful campus in Palisades, NY. Mark your calendar and join us for this free, family-friendly celebration of science! RSVP Today!