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11-29 août 2020: Kamchatka - Land of Colors - Kamchatka (Russia)
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Diaporama
Etna volcan
Stratovolcan complexe Currently about 3329 m (changing due to eruptive activity and collapse of its crater rims)
Sicile (Italie), 37.75°N / 14.99°E
Condition actuelle: en éruption (4 sur 5)
Etna webcams / données en temps réel | Reports
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Eruptions du volcan Etna:
En activité quasi permanente ; certaines grandes éruptions historiques telles que : en 122 BC (éruption explosive du sommet), AD 1669 (éruption sur le flanc sud dévastatrice), 1787 (l'une des plus spectaculaires éruptions au sommet enregistrée - fontaines de lave, semble-t-il, jusqu'à 3000 m de haut).
Les éruptions depuis 1950 (f: flanc / s: activité sommitale): 1950-51(f), 1952(s), 1953(s?), 1955-64(s), 1966-1970(s), 1966(f), 1971(f), 1971-1980(s), 1974(f), 1978(f), 1979(f), 1980-81(s), 1981 (f), 1983(f), 1984(s), 1985(f), 1986(s), 1987(f), 1987(s), 1989(f), 1989-1991(s), 1991-93(f), 1995-2001(s), 2001(f), 2002(s), 2002-03(f), 2004-2005 (f),2006(s),2007(s),2008-9(f)
Style éruptif tipique:
Effusive (coulée de lave et fontaine de lave) et explosive avec des éruptions modérées stromboliennes et parfois phréatomagmatiques. Les deux types d’activités éruptives ont lieu fréquemment au sommet et sur ses flancs. Ses éruptions latérales au niveau des flancs, semblent se regrouper sur des laps de temps d’environs quelques dizaines d’années
Derniers séismes proches
Voyages au volcan Etna
Volcans d'Italie - le Grand Tour (15 jours d'expédition du Vésuve à l’Etna)
Circuit Etna Trekking (Randonnées guidées privées - voyages trekking sur le volcan Etna)
Etna Volcan Spécial (4/5 jours - expédition sur le volcan du mont Etna, Italie)
Etna Discovery (8-days hiking & study tour on Mt. Etna volcano, Italy)
Montagnes de Feu - du Stromboli à l'Etna (marche et voyage d'étude avec un volcanologue vers les volcans Etna, Vulcano, Lipari et Stromboli)

Derniers images satellite

Sentinel hub | Landsat 8
Most recommended:
The best place to stay near Mt Etna is no doubt the Corsaro hotel, located a few 100 m from the cable car station at La Sapienza cable car station on Etna South: Hotel CorsaroPlus d'info sur l'Etna...

Plus d'info sur l'Etna...

 

Volcan Etna - actualités

Volcan Etna - actualités

Etna volcano, Italy: activity summary July-August 2012 - episodes of strong strombolian activity inside Bocca Nuova

jeudi août 23, 2012 10:05 | AUTEUR : T

Sezione di Catania - Osservatorio Etneo reported that a new phase of activity at Etna's Bocca Nuova summit crater started on 2 July, was virtually continuous for three weeks until 24 July, then rapidly decreased.
During the first 10 days explosions were separated by quiet intervals lasting several minutes, then later became more continuous. During periods of the strongest activity, some lava bombs were ejected beyond the crater rim, landing on a gently sloping area E of the crater. Lava was emitted during 4-24 July from vents on the flanks of the pyroclastic cone that had begun to grow around the explosive vent. Rarely, lava was emitted from the main explosive vent. The lava progressively covered the crater floor next to the pyroclastic cone, which had grown 30-40 m, before the activity ceased on 24 July. Frequent ash emissions observed the next day were mostly due to explosions, and possibly from minor collapses of the summit area of the new cone. Concurrent with the decrease in eruptive activity, volcanic tremor amplitude dropped to background levels.

Episodic activity occurred during 26 July-11 August. At daybreak on 26 July, strong incandescence marked the onset of the first episode of activity within Bocca Nuova, which had the same characteristics as the previous activity; frequent Strombolian explosions were accompanied by lava flow emissions from a vent located on the W flank of the cone. The next day, the lava had almost completely filled the central subsidence pit on the floor of Bocca Nuova, and the cone had grown in height. The activity then decreased, and essentially ceased by the evening. There were intermittent ash emissions on 28 July, and volcanic tremor amplitude decreased to background levels.

The second episode, during 29 July-1 August, was characterized by small Strombolian explosions and lava emission from a vent located on the S flank of the pyroclastic cone. Volcanic tremor amplitude showed strong oscillations, but never reached the same peak levels associated with the 26-27 July episode. Volcanic tremor amplitude dropped sharply on 1 August, marking the cessation of the activity; a few ash emissions were observed the next day.

The third episode began on 3 August with a rapid increase in the volcanic tremor amplitude and strong incandescence from Bocca Nuova, signaling the beginning of Strombolian activity and lava emissions onto the crater floor. Activity ceased the next day, and was followed by weak residual activity within Bocca Nuova, which generated small ash clouds. The fourth episode began on 6 August and ended the next day, and showed essentially the same characteristics as the previous episode.

The fifth episode began on 10 August and was again marked by a rapid increase in volcanic tremor amplitude; at nighl, bright glow illuminated the gas plume rising from the crater, which was visible up to tens of kilometers away. Some of the explosions ejected incandescent pyroclastic material well above the crater rim. The activity started to decrease just after midnight and then ended on 11 August. Subsequently, ash emissions resumed, which were particularly frequent on 13 August, and which produced small, brownish-gray clouds of fine-grained tephra. Some of the ash emissions later that evening were accompanied by ejected incandescent material; volcanic tremor amplitude, however, remained at background levels.
---
Source:
Actualités précédentes
Ash-rich strombolian activity from the eastern vent inside Bocca Nuova (early Aug 2012)
mardi, août 14, 2012
Photos from our recent visit to Etna a week ago [details]
Location of the quakes this morning (the 2 quakes of M3.0 and 3.2 at 04:50 and 05:04 are nearly at the same spot and form one dot on the map)
dimanche, août 12, 2012
Three significant shallow earthquakes (0-4 km depth) of magnitudes around 3 occurred this morning today on the NE flank of Etna volcano, W and SW of the town of Linguaglossa. ... [details]
lundi, août 06, 2012
Since Sunday morning, frequent ash emissions have been observed from Bocca Nuova. These are produced by ash venting and strombolian explosions from the cone in the eastern pit crater. During observations last night (5 Aug), strombolian activity was fluctuating between stronger and weaker phases on a roughly hourly rhythm. [details]

Etna volcano, Italy: activity summary July-August 2012 - episodes of strong strombolian activity inside Bocca Nuova

jeudi août 23, 2012 10:05 | AUTEUR : T

Sezione di Catania - Osservatorio Etneo reported that a new phase of activity at Etna's Bocca Nuova summit crater started on 2 July, was virtually continuous for three weeks until 24 July, then rapidly decreased.
During the first 10 days explosions were separated by quiet intervals lasting several minutes, then later became more continuous. During periods of the strongest activity, some lava bombs were ejected beyond the crater rim, landing on a gently sloping area E of the crater. Lava was emitted during 4-24 July from vents on the flanks of the pyroclastic cone that had begun to grow around the explosive vent. Rarely, lava was emitted from the main explosive vent. The lava progressively covered the crater floor next to the pyroclastic cone, which had grown 30-40 m, before the activity ceased on 24 July. Frequent ash emissions observed the next day were mostly due to explosions, and possibly from minor collapses of the summit area of the new cone. Concurrent with the decrease in eruptive activity, volcanic tremor amplitude dropped to background levels.

Episodic activity occurred during 26 July-11 August. At daybreak on 26 July, strong incandescence marked the onset of the first episode of activity within Bocca Nuova, which had the same characteristics as the previous activity; frequent Strombolian explosions were accompanied by lava flow emissions from a vent located on the W flank of the cone. The next day, the lava had almost completely filled the central subsidence pit on the floor of Bocca Nuova, and the cone had grown in height. The activity then decreased, and essentially ceased by the evening. There were intermittent ash emissions on 28 July, and volcanic tremor amplitude decreased to background levels.

The second episode, during 29 July-1 August, was characterized by small Strombolian explosions and lava emission from a vent located on the S flank of the pyroclastic cone. Volcanic tremor amplitude showed strong oscillations, but never reached the same peak levels associated with the 26-27 July episode. Volcanic tremor amplitude dropped sharply on 1 August, marking the cessation of the activity; a few ash emissions were observed the next day.

The third episode began on 3 August with a rapid increase in the volcanic tremor amplitude and strong incandescence from Bocca Nuova, signaling the beginning of Strombolian activity and lava emissions onto the crater floor. Activity ceased the next day, and was followed by weak residual activity within Bocca Nuova, which generated small ash clouds. The fourth episode began on 6 August and ended the next day, and showed essentially the same characteristics as the previous episode.

The fifth episode began on 10 August and was again marked by a rapid increase in volcanic tremor amplitude; at nighl, bright glow illuminated the gas plume rising from the crater, which was visible up to tens of kilometers away. Some of the explosions ejected incandescent pyroclastic material well above the crater rim. The activity started to decrease just after midnight and then ended on 11 August. Subsequently, ash emissions resumed, which were particularly frequent on 13 August, and which produced small, brownish-gray clouds of fine-grained tephra. Some of the ash emissions later that evening were accompanied by ejected incandescent material; volcanic tremor amplitude, however, remained at background levels.
---
Source:
Actualités précédentes
Ash-rich strombolian activity from the eastern vent inside Bocca Nuova (early Aug 2012)
mardi, août 14, 2012
Photos from our recent visit to Etna a week ago [details]
Location of the quakes this morning (the 2 quakes of M3.0 and 3.2 at 04:50 and 05:04 are nearly at the same spot and form one dot on the map)
dimanche, août 12, 2012
Three significant shallow earthquakes (0-4 km depth) of magnitudes around 3 occurred this morning today on the NE flank of Etna volcano, W and SW of the town of Linguaglossa. ... [details]
lundi, août 06, 2012
Since Sunday morning, frequent ash emissions have been observed from Bocca Nuova. These are produced by ash venting and strombolian explosions from the cone in the eastern pit crater. During observations last night (5 Aug), strombolian activity was fluctuating between stronger and weaker phases on a roughly hourly rhythm. [details]
 

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