Eruption updates & news from Stromboli:
Stromboli volcano (Italy): frequent and strong explosions from 6 vents, observation report from close
Sunday Jan 20, 2019 22:06 PM | BY: T
Strong eruption from Stromboli's western vent this evening
The various active vents as seen on 20 Jan 2019
"Smoke ring" ejected from the steep cone in the N crater
When observed from close earlier today, there were 6 active vents producing intermittent strombolian explosions of small to large size (see annotated image of the crater terrace with the vents indicated as on a map):
The new cinder cone that has been built recently around the NE vent displayed mild and continuous lava spattering with intense lava glow at night, as well as strombolian explosions of small to moderate size (ejection heights racing from few tens of meters to approx. 150 m) at intervals of 10-20 minutes:
The strongest explosions, however occurred from both the easternmost vent (below the more active NE cone, far right in the picture) as well as (and more frequently) from the westernmost vent, both ejecting incandescent material to certainly more than 200 m height and bombs reaching much of the crater terrace and its surroundings. Intervals of explosions were about one every 10-15 minutes vor the western vent and more rarely from the easternmost one (once per 30-40 minutes). As has been typical for the past decades, the westernmost vent usually generated significant amounts of ashes, while all other vents had almost no ash during their explosions.
Video:
Some of the most notable eruptions, however, occurred from a vent in the NW area of the crater area: it forms a steep-sided, symmetric, conical shaped small cone and frequently erupted dense, candle-like lava fountains, as well as sometimes only mostly gas jets. Its eruptions were often accompanied by very loud detonation sounds. Occasionally, this vent also produced beautiful "smoke rings" (ring vortexes), apparently caused by pulsating gas emissions from its circular vent.
A small vent just east of the mentioned westernmost vent also erupted in similar, but weaker style (narrow jets of lava) occasionally. Last, the formerly called "central crater", in the southern central part of the crate terrace also had infrequent, typically small to moderately-sized classic strombolian eruptions. In the past this vent (located in the lower center of the image) often displayed constant glow and spattering, but did not do so today.
All in all, explosions occurred at intervals of about 2-3 minutes from all 6 vents combined.
Link to photos & videos
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Previous news
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Tuesday, Jan 15, 2019
The activity remains at similar, high levels as during the past week: Near-continuous spattering is being observed from the new cinder cone in the NE crater where the magma column seems to be very near its rim. ...
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Monday, Jan 07, 2019
The activity remains very intense at the volcano. Continuous spattering and sometimes very strong, lava-rich explosions occur from the NE summit vents in particular. ...
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Saturday, Jan 05, 2019
The activity at the volcano has further increased this evening: several vents in the summit area are active at once, in particular the NE cluster of vents where a new cinder cone is growing and continuous lava spattering as well as larger strombolian explosions with plenty of red hot lava spatter ejected to probably more than 200 m height occur. ...
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Thursday, Jan 03, 2019
The activity at the volcano remains high. A series of quite strong explosions from the NE vent could be seen on the webcam placed on the 400 m viewpoint on the Sciara del Fuoco. ...
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Wednesday, Jan 02, 2019
The activity at the volcano remains above average. Our colleague Marc Szeglat (www.vulkane.net) reported that continuous spattering, in addition to sometimes relatively strong strombolian explosions, can often be seen from from the NE vent. ...
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