Ocean Floor Map

Tropic Seamount: depth and map

Seamount or guyot: 996 m to the summit (GEBCO_2026 grid).

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Sea level in metres below today’s. A simple bathtub model: it lowers the sea everywhere by the same amount and does not simulate how the water would really drain.

Key

Sea depth

  • Deeper than 6,000 m
  • 4,000 to 6,000 m
  • 2,000 to 4,000 m
  • 1,000 to 2,000 m
  • 200 to 1,000 m
  • Shallower than 200 m (the continental shelf)

Land height

  • Land up to 500 m
  • 500 to 2,000 m
  • Above 2,000 m

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  • Seabed exposed when the sea is lowered A dashed white line marks today’s coast.

How to read the map. Darker blue is deeper water. Tap anywhere to see how deep the sea is there, or how high the land is, and the nearest named undersea feature. Depths come from the GEBCO_2026 grid, which in most of the deep ocean is predicted from satellite measurements of the sea surface rather than surveyed by ship, and the map’s tiles are coarser than the grid, so narrow trenches read shallower on the map than their true depth. Not for navigation.

Tropic Seamount at a glance

  • 996 mto the summit, in the grid
  • Seamount or guyottype of feature
  • 23.90° N, 20.72° Wlisted point
  • Morocconearest country, about 446 km
  • 970 mWikidata's own depth

Tropic Seamount is a seamount or guyot. Its summit is about 996 m below the surface in the GEBCO grid. That figure is the depth of the shallowest cell within 10 km of its listed point, which is its summit. The nearest country in our list is Morocco, about 446 km from its listed point.

Open the main map at its summit and tap anywhere to read the depth.

How deep is the Tropic Seamount?

The grid figure is 996 m. We measured it as the depth of the shallowest cell within 10 km of its listed point, which is its summit. The cell is at 23.89° N, 20.67° W. The GEBCO_2026 grid has a value every 15 arc-seconds, about 460 m at the equator, so a very narrow feature can be a little deeper or shallower in reality than any grid cell shows.

Wikidata, the open database this feature's name comes from, gives a depth of 970 m. That is within 26 m of the grid figure.

About seamounts and guyots

A seamount is an underwater mountain, usually an extinct volcano. A guyot is a seamount with a flat top, worn flat by waves when it once stood at the surface.

This site lists 420 seamounts and guyots, 115 of them with their own indexed page. See all undersea features.

Nearby undersea features

Distances are between listed points. A long feature such as a trench or ridge has a single listed point on Wikidata.

The highest seamount summits in our list

Frequently asked questions

How deep is the top of Tropic Seamount?

In the GEBCO grid the figure is 996 m. That is the depth of the shallowest cell within 10 km of its listed point, which is its summit. Wikidata, the open database this feature's name comes from, gives a depth of 970 m. That is within 26 m of the grid figure.

Where is the Tropic Seamount?

Its listed point is 23.90° N, 20.72° W, about 446 km from Morocco. The grid's shallowest cell for it is at 23.89° N, 20.67° W.

Data: depth from the GEBCO_2026 grid. Name and position from Wikidata Q29513459 (CC0); Wikipedia article. See data sources and licences. The GEBCO Grid should NOT be used for navigation or for any other purpose involving safety at sea.

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