Ocean Floor Map

Frankfurt Seamount: depth and map

Seamount or guyot: 3,210 m to the summit (GEBCO_2026 grid).

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Sea level todayDrag the slider to lower the sea and see the land that would appear.

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.

Frankfurt Seamount at a glance

  • 3,210 mto the summit, in the grid
  • Seamount or guyottype of feature
  • 42.27° N, 53.00° Wlisted point
  • Canadanearest country, about 485 km

Frankfurt Seamount is a seamount or guyot. Its summit is about 3,210 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 Canada, about 485 km from its listed point.

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

How deep is the Frankfurt Seamount?

The grid figure is 3,210 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 42.31° N, 53.00° 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 has no depth figure for this feature, so the grid is our only source for it.

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 Frankfurt Seamount?

In the GEBCO grid the figure is 3,210 m. That is the depth of the shallowest cell within 10 km of its listed point, which is its summit.

Where is the Frankfurt Seamount?

Its listed point is 42.27° N, 53.00° W, about 485 km from Canada. The grid's shallowest cell for it is at 42.31° N, 53.00° W.

Data: depth from the GEBCO_2026 grid. Name and position from Wikidata Q105615323 (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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