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Report on Stromboli (Italy) — 8 July-14 July 2020

Smithsonian / US Geological Survey Weekly Volcanic Activity Report, 8 July-14 July 2020
Managing Editor: Sally Kuhn Sennert

Please cite this report as:

Global Volcanism Program, 2020. Report on Stromboli (Italy). In: Sennert, S K (ed.), Weekly Volcanic Activity Report, 8 July-14 July 2020. Smithsonian Institution and US Geological Survey.

Volcano Profile |  Weekly Report (8 July-14 July 2020)


Stromboli

Italy

38.789°N, 15.213°E; summit elev. 924 m

All times are local (unless otherwise noted)


INGV reported that during 6-12 July activity at Stromboli was characterized by ongoing explosive activity mainly from three vents in Area N (north crater area) and three vents in Area C-S (south-central crater area). Moderate explosions from both areas ejected lapilli, bombs, and ash with decreasing frequency and intensity through the week.

Geologic Background. Spectacular incandescent nighttime explosions at this 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 island 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 took place between about 13,000 and 5,000 years ago. The active summit vents are located at the head of the Sciara del Fuoco, a prominent horseshoe-shaped scarp formed about 5,000 years ago due to 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 for more than a millennium.

Source: Sezione di Catania - Osservatorio Etneo (INGV)