Etna volcano activity updates: December 2013

Update Tue 31 Dec 12:47
Strombolian explosions at the New SE crater on the evening of 29 Dec (Photo: Emaunela / VolcanoDiscovery Italia)Tremor amplitude (
Strombolian explosions at the New SE crater on the evening of 29 Dec (Photo: Emaunela / VolcanoDiscovery Italia)Tremor amplitude (
Tremor amplitude (ECPN station, INGV; note: linear scale)
Tremor amplitude (ECPN station, INGV; note: linear scale)
Tremor amplitude (ESLN station, INGV; note: logarithmic scale)
Tremor amplitude (ESLN station, INGV; note: logarithmic scale)
The fireworks on Etna seem to be coming to an end, although there is currently no visibility due to bad weather. Tremor has gradually decreased after another long, but rather weak paroxysm at the New SE crater (photos).
Update Mon 30 Dec 10:56
Weak lava fountain at the New SE crater
Weak lava fountain at the New SE crater
Current tremor signal (ESLN station, INGV Catania)
Current tremor signal (ESLN station, INGV Catania)
The 21st paroxysm at the New SE crater which started last evening is still going on although it has decreased a bit. Until now, the eruption has been rather weak with no sustained tall lava fountains as during most of the paroxysms. Instead, the New SE crater continues to produce loud, spectacular near-continuous strombolian-type jets (or low, pulsating fountains) and explosions of lava bubbles. The eruption so far:

Over the course of the night, it has effused 3 lava flows towards the Valle del Bove:



Paroxysm nr 21
Update Sun 29 Dec 23:58
Violent strombolian activity from Etna's NSEC
Violent strombolian activity from Etna's NSEC
Current tremor signal (ESLN station, INGV Catania)
Current tremor signal (ESLN station, INGV Catania)
The 21st paroxysm at the New SE crater is in progress, but has still to reach its climax. At the moment, violent continuous strombolian explosions or low pulsating lava fountains occur at the summit vent and a lava flow has started to issue from the fissure vent on the SE flank of the cone.
Update Sun 29 Dec 17:51
Strombolian activity at New SE crater (Etna-Web webcam)
Strombolian activity at New SE crater (Etna-Web webcam)
Current tremor signal (ESLN station, INGV Catania)
Current tremor signal (ESLN station, INGV Catania)
Activity is rapidly increasing towards the 21st paroxysm. The New SE crater produces near continuous bright strombolian explosions accompanied by loud explosion sounds. Tremor is rising steeply.
New SE crater paroxysm in the making
Update Sun 29 Dec 17:10
Strombolian activity at the NSEC
Strombolian activity at the NSEC
It seems more and more likely that the next (nr 21 in 2013) New SE crater paroxysm is going to occur in the following hours or so; the tremor continues to climb rapidly and small strombolian explosions are now visible from the summit vent of the NSEC.
If you're not in Catania or near Etna, you can follow the activity live at webcams.volcanodiscovery.com/Etna.
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