Ampère Seamount is a

seamount A seamount is a large geologic landform that rises from the ocean floor that does not reach to the water's surface (sea level), and thus is not an island, islet or cliff-rock. Seamounts are typically formed from extinct volcanoes that rise abru ...

in the Atlantic Ocean, south-west of Portugal and west of Morocco. It is located at 35°02'N and 12°54'W. This

is about 90 x 40 km, its base is at a depth of approximately . The summit topography is rather disturbed with a summit plateau that is at a depth of and a peak reaching up to below the water surface. In March 1974,

Soviet The Soviet Union,. officially the Union of Soviet Socialist Republics. (USSR),. was a List of former transcontinental countries#Since 1700, transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, ...

research ship ''Academician Petrovsky'' underwent an expedition to explore the Ampere and Josephine seamounts. Underwater photographs taken during this expedition revealed a stone wall which included cut stone blocks scattered on both sides, Also what appear to be artificial steps partially covered with

lava Lava is molten or partially molten rock (magma) that has been expelled from the interior of a terrestrial planet (such as Earth) or a moon onto its surface. Lava may be erupted at a volcano or through a fracture in the crust, on land or un ...

were photographed on the flat summit of the Ampere Seamount. This was the grounds for speculations that it may have been the location of the legendary

Atlantis Atlantis ( grc, Ἀτλαντὶς νῆσος, , island of Atlas (mythology), Atlas) is a fictional island mentioned in an allegory on the hubris of nations in Plato's works ''Timaeus (dialogue), Timaeus'' and ''Critias (dialogue), Critias'' ...

.Atlantis - Gone, But Not Forgotten
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References

Hatzky, Jörn (2005), PANGAEA: Physiography of the Ampère Seamount in the Horseshoe Seamount chain off Gibraltar. Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven

Marine Regions · Ampère Seamount

Published: 02 October 2014 The fish fauna of Ampère Seamount (NE Atlantic) and the adjacent abyssal plain Bernd Christiansen, Rui P. Vieira, Sabine Christiansen, Anneke Denda, Frederico Oliveira & Jorge M. S. Gonçalves Helgoland Marine Research

Seamount Information: Ampere Seamount

Biodiversity Inventorial Atlas of macrobenthic seamount animals, Friedrich-Alexander Universität Erlangen Nürnberg

Seamounts of the Atlantic Ocean {{Marine-geo-stub