Researchers have mapped the path of a giant submarine avalanche that tore through the Agadir Canyon — a deep trench in the Atlantic seafloor off the coast of Morocco — 60,000 years ago.

In the 1950s, academics produced the first physiographic map of the Atlantic Ocean floor using single-beam echo soundings, which determine water depth by measuring the travel time of a sonar pulse.

To generate the seafloor maps, Marie Tharp started with two-dimensional ocean profiles ... and it took the two several more years to finish their first map of the North Atlantic in 1957.

In 1957, Lamont researchers Marie Tharp and Bruce Heezen published the first comprehensive seafloor map of any ocean when they released their sonar-based physiographic map of the North Atlantic.

Most tsunamis start with earthquakes under or near the ocean floor. The seafloor provides habitat for fish, corals and complex communities of microbes, crustaceans and other organisms.

How is ventilation at various depth layers of the Atlantic connected and what role do changes in ocean circulation play?

The Deepest Map Laura Trethewey Harper Wave, $32. In 2019, the multimillionaire and explorer Victor Vescovo made headlines when he became the first person to visit the deepest parts of all five of ...

An ultra-detailed map of the ocean floor uses gravity-based data collected by satellite. NASA and CNES launched the satellite to survey Earth’s surface water.

Well, it turns out, for most of the planet’s surface — the ocean floor, that is — we don’t have very good maps. Researchers announced Friday that they’ve completed a map for just over ...

Cassano said Deep Energy deployed a submersible but it was only able to reach a depth of 8,858 feet. The Titan’s debris was located on the seafloor about 12,500 feet underwater.

Golden State Wind will start sound surveys to map the seafloor in the Morro Bay Wind Energy Area off the coast of San Luis Obispo County, California.