Strong explosive eruption at Stromboli volcano, Italy
A strong explosive eruption took place at Stromboli volcano, Italy at 14:11 UTC on May 25, 2022. This is the second major eruption at the volcano since May 13.
The eruption was registered from several vents in the central-southern area of the crater terrace.1
The activity produced a significant release of lapilli and lava bombs that covered part of the crater terrace and reached Pizzo. Ash cloud produced during the eruption drifted south.
The phenomenon was over after about 4 minutes.
Seismic activity analysis shows there were 2 explosions with a total of about 2 minutes.
All parameters returned to normal levels at 17:53 UTC.
A series of strong explosions took place at the volcano on May 13, 2022.2
The first event was a moderately strong explosion at 14:42 UTC, followed by a dozen other events over the next three minutes of which the most energetic was at 14:43 UTC.
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, 924-m-high (3 031 feet) 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 from about 13 000 to 5 000 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 5 000 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 for more than a millennium.3
1 Invio comunicato generico di attivita vulcanica Stromboli – INGV – May 25, 2022
2 Large explosions at Stromboli volcano, Italy – The Watchers – May 13, 2022
3 Stromboli – Geological summary – GVP
Featured image credit: INGV-OE
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