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Stromboli volcano (Eolian Islands, Italy) update: regular strombolian explosions

Tue, 20 Jul 2021, 08:36 | BY: T
Strombolian eruption from the easternmost vent last night (image: LGS thermal webcam from Rocchette (ROC)
Strombolian eruption from the easternmost vent last night (image: LGS thermal webcam from Rocchette (ROC)
When observed yesterday evening, the activity at the volcano was relatively impressive: at least 3 vents produced typical strombolian explosions at quite regular intervals ranging from 15-30 minutes.
The easternmost vent, which forms a prominent cone, had the most vigorous eruptions roughly every 15-20 minutes, with ejections of glowing bombs to 150-200 m height that fell back on the entire outside slopes of the cone and sometimes rolled down the Sciara.
The westernmost vent had slightly more frequent, but weaker strombolian explosions and a vent in the central area erupted more rarely, approx. every 30-45 minutes.
Other vents regularly produced small dense ash plumes without visible incandescent material. Only very weak glow could be seen from the crater terrace in the intervals between explosions, suggesting that lava spattering is absent or only very intermittent and weak.
Images will be posted later.

Previous news

Thu, 15 Jul 2021, 08:15

Stromboli volcano (Eolian Islands, Italy): sudden large explosion showers summit with lava bombs

Thermal view of yesterday's large explosion at Stromboli (image: INGVvulcani / facebook)
A stronger-then-usual explosion occurred yesterday afternoon at the volcano. ... Read all
Wed, 30 Jun 2021, 06:00

Stromboli volcano (Aeolian Islands, Italy) - Smithsonian / USGS Weekly Volcanic Activity Report for 30 June-6 July 2021 (Continuing Activity)

INGV reported that during 28 June-4 July activity at Stromboli was characterized by ongoing explosive activity from three vents in Area N (North Crater area) and four vents in Area C-S (South-Central Crater area). Explosions from the N1 vent (Area N) ejected lapilli and bombs 150 m high, and produced minor ash emissions. Explosions at N2 vents (Area N) averaged 4-10 events per hour and ejected material 80 m high; spattering was intense on 28 June. ... Read all
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Stromboli volcano
stratovolcano 926 m
Eolian Islands, Italy, 38.79°N / 15.21°E
Current status: erupting (4 out of 5) Stromboli volcano eruptions:
Persistant (near-constant) activity since at least 2-3000 years. Most recent effusive (lava flow) eruptions from Dec. 2002-July 2003, March 2007, Aug-Oct 2014. Paroxysm 3 July 2019
Typical eruption style
Small explosive (strombolian) eruptions, typically every 20-30 mins. Intermittently, ca. every 2-20 years, minor effusive eruptions (lava flows); on average 2-5 times per year larger explosions.
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Lava flow and explosions in Jan 2013
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