seafloor mapping Archives - State of the Planet

marie tharp sits in front of a globe and map

8 Surprising Facts About Marie Tharp, Mapmaker Extraordinaire

Maybe you already know that she created some of the first maps of the ocean floor and helped discover plate tectonics. Here are some lesser-known facts about this history-making cartographer.

by |July 29, 2020

Lamont’s Marie Tharp: She Drew the Maps That Shook the World

On the 100th anniversary of her birth, her grit and brilliance are as legendary as her work.

by |July 27, 2020
Marie Tharp

Marie Tharp’s Adventures in Mapping the Seafloor, In Her Own Words

The pioneering mapmaker explains how she and colleagues discovered underwater mountain ranges 40,000 miles long, and helped to prove that the continents move.

by |July 24, 2020
Marie Tharp with one of her maps

Join Us in Celebrating #MarieTharp100

July 30 marks 100 years since the birth of Marie Tharp, a pioneering geologist who created some of the first maps of the ocean floor. We’re celebrating her achievements and legacy with blog posts, giveaways, and more.

by |July 23, 2020