38.817308°N 15.252156°W
Strombolicchio is a sea stack of volcanic origin 2 km (1.2 mi) to the northeast of the island of Stromboli

Stromboli

Stromboli is a small island in the Tyrrhenian Sea, off the north coast of Sicily, containing one of the three active volcanoes in Italy. It is one of the eight Aeolian Islands, a volcanic arc north of Sicily. This name is a corruption of the Ancient Greek name Strongulē which was given to it...

 in the Aeolian Islands

Aeolian Islands

The Aeolian Islands or Lipari Islands are a volcanic archipelago in the Tyrrhenian Sea north of Sicily, named after the demigod of the winds Aeolus. The locals residing on the islands are known as Eolians . The Aeolian Islands are a popular tourist destination in the summer, and attract up to...

 of Italy

Italy

Italy , officially the Italian Republic languages]] under the European Charter for Regional or Minority Languages. In each of these, Italy's official name is as follows:;;;;;;;;), is a unitary parliamentary republic in South-Central Europe. To the north it borders France, Switzerland, Austria and...

.

Geologically, Strombolicchio is a volcanic plug or spine of extremely hard compacted basalt

Basalt

Basalt is a common extrusive volcanic rock. It is usually grey to black and fine-grained due to rapid cooling of lava at the surface of a planet. It may be porphyritic containing larger crystals in a fine matrix, or vesicular, or frothy scoria. Unweathered basalt is black or grey...

 resistant to erosion

Erosion

Erosion is when materials are removed from the surface and changed into something else. It only works by hydraulic actions and transport of solids in the natural environment, and leads to the deposition of these materials elsewhere...

, and is the remnant of the original volcano from which the island of Stromboli was built up, whose eruptions ceased approximately 200,000 years ago, since when the volcanic activity has moved about 3 km (1.9 mi) to the southwest. It is the only subaerial part of a submarine platform that extends between it and the main island.

A lighthouse

Lighthouse

A lighthouse is a tower, building, or other type of structure designed to emit light from a system of lamps and lenses or, in older times, from a fire, and used as an aid to navigation for maritime pilots at sea or on inland waterways....

 is located on its summit, reached by a concrete staircase of over 200 steps. The island is a tourist

Tourism

Tourism is travel for recreational, leisure or business purposes. The World Tourism Organization defines tourists as people "traveling to and staying in places outside their usual environment for not more than one consecutive year for leisure, business and other purposes".Tourism has become a...

 attraction in Stromboli.

Its name in the Sicilian language

Sicilian language

Sicilian is a Romance language. Its dialects make up the Extreme-Southern Italian language group, which are spoken on the island of Sicily and its satellite islands; in southern and central Calabria ; in the southern parts of Apulia, the Salento ; and Campania, on the Italian mainland, where it is...

means Little Stromboli.