Tunnel de la Atlantida
Encyclopedia
Tunnel de la Atlantida is the world's longest known volcanic submarine lava tube
located in the Canary Islands
off the coast of North Africa. The 5,000-foot (1,500 meter) long tube formed some 20,000 years ago when the Monte Corona
volcano erupted on the island of Lanzarote
. The erupted molten rock flowed across the land and into the ocean.
Lava tube
Lava tubes are natural conduits through which lava travels beneath the surface of a lava flow, expelled by a volcano during an eruption. They can be actively draining lava from a source, or can be extinct, meaning the lava flow has ceased and the rock has cooled and left a long, cave-like...
located in the Canary Islands
Canary Islands
The Canary Islands , also known as the Canaries , is a Spanish archipelago located just off the northwest coast of mainland Africa, 100 km west of the border between Morocco and the Western Sahara. The Canaries are a Spanish autonomous community and an outermost region of the European Union...
off the coast of North Africa. The 5,000-foot (1,500 meter) long tube formed some 20,000 years ago when the Monte Corona
Monte Corona
Monte Corona is a 609m high extinct volcano on the Canary Island of Lanzarote , near the village of Yé in the municipality of Haría. Its eruption around 4000 years ago covered a large area of the northeast of the island with lava, creating the Malpais de la Corona and two of the island's...
volcano erupted on the island of Lanzarote
Lanzarote
Lanzarote , a Spanish island, is the easternmost of the autonomous Canary Islands, in the Atlantic Ocean, approximately 125 km off the coast of Africa and 1,000 km from the Iberian Peninsula. Covering 845.9 km2, it stands as the fourth largest of the islands...
. The erupted molten rock flowed across the land and into the ocean.