STROMBOLI 2001
Photos: Rolf Cosar
Stromboli, Sept. 2001
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Spectacular incandescent nighttime explosions at Stromboli volcano have long
attracted visitors to the "Lighthouse of the Mediterranean." Stromboli, the NE-most of
the Aeolian Islands, has lent its name to the frequent mild explosive activity that has
characterized its eruptions throughout much of historical time. The small, 924-m-high
island of Stromboli is the emergent summit of a volcano that grew in two main eruptive
cycles, the last of which formed the western portion of the island. The Neostromboli
eruptive period from about 13,000 to 5000 years ago was followed by formation of the
modern Stromboli edifice. The active summit vents are located at the head of the Sciara
del Fuoco, a prominent horseshoe-shaped scarp formed about 5000 years ago as a
result of the most recent of a series of slope failures that extend to below sea level. The
modern volcano has been constructed within this scarp, which funnels pyroclastic
ejecta and lava flows to the NW. Essentially continuous mild strombolian explosions, sometimes accompanied by lava flows,
have been recorded at Stromboli for more than a millennium. (Global Volcanism Program)
Location: 38.789° N, 15.213° E
Elevation: 924 m
Strombolicchio is a sea stack of volcanic origin 2 km (1.2 mi) to the northeast of the island of Stromboli in the Aeolian Islands of
Italy.
Geologically, Strombolicchio is a volcanic plug or spine of extremely hard compacted basalt resistant to erosion, 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.The original 56 m high cliff was levelled in the construction of the lighthouse in
1926 at 49 m. A concret staircase with 211 steps leads to the platform.
STROMBOLICCHIO
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