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Volcanic activity worldwide 17 Nov 2015: Karymsky volcano, Colima, Dukono, Tungurahua, Piton de la F...

Tue, 17 Nov 2015, 16:05
16:05 PM |
Weak ash emisson from Etna's central crater (INGV webcam)
Weak ash emisson from Etna's central crater (INGV webcam)
Strombolian eruption from Barujari (Rinjani volcano) yesterday (image: Andi / VolcanoDiscovery Indonesia)
Strombolian eruption from Barujari (Rinjani volcano) yesterday (image: Andi / VolcanoDiscovery Indonesia)
Eruption from Colima volcano with lightning in eruption column on 15 Nov 2015 (image: Hernando Rivera)
Eruption from Colima volcano with lightning in eruption column on 15 Nov 2015 (image: Hernando Rivera)
Ash venting at Tungurahua volcano last night (IGEPN webcam)
Ash venting at Tungurahua volcano last night (IGEPN webcam)
Map of the Enclos of Piton de la Fournaise and the exclusion zone (image: Prefecture of La Réunion)
Map of the Enclos of Piton de la Fournaise and the exclusion zone (image: Prefecture of La Réunion)
Etna (Sicily, Italy): No significant change in activity has occurred during the past days. Degassing from the New SE crater has decreased again, probably because the magma column has dropped again, and tremor is currently low.
Mild strombolian explosions seem to continue from Voragine, as suggested by small puffs of ash visible. Strong degassing and perhaps dilute ash emissions are also originating from the NE crater where deep-seated explosive activity occurs and can be heard when on its rim.

Karymsky (Kamchatka): Tokyo VAAC reported an ash plume at 12,000 ft (3.6 km) altitude extending east from the volcano this morning. Occasionally, the volcano has stronger than average strombolian to vulcanian-type explosions.
It is one of the few volcanoes in the world that have been in more or less constant eruption for several centuries.

Rinjani (Lombok): The eruption continues with no significant change. When observed yesterday on location, the Barujari cone was in violent strombolian activity and the lava flow was still weakly alimented, creating a small steam plume at the lake entry of the flow.
Impressively, the lake temperature has risen so much that large parts of the surface are steaming. The volcanic activity has been producing only smaller ash plumes during the past days, which did no longer affect air traffic to / from Lombok and Rinjani.

Dukono (Halmahera): Near constant ash emissions continue from the volcano. An ash plume at 8,000 ft (2.4 km) altitude extended 40 km SW this morning (Darwin VAAC).

Colima (Western Mexico): Explosions of small to moderate size continue to occur from time to time. The more violent and ash-rich ones produce eruption lightning as the one attached, taken by our friend Hernando on 15 Nov 2015.

Tungurahua (Ecuador): The activity of the volcano has increased during the past days. Near-continuous explosive eruptions at the summit crater have been creating ash plumes that rose up to 3 km and drifted into westerly directions. Up to 2 mm of fresh ash fall occurred in areas up to 10-20 km west of the volcano. Incandescent bombs were seen ejected during the explosions as well.
The ash falls already started to cause significant damage to infrastructure (roads, buildings) and farmland. In particular, fields in the village of Choglontus located only 6 km southwest of the summit have almost completely been destroyed by the ash.

Piton de la Fournaise (La Réunion): The alert level of the volcano was lowered today as no more eruptive activity occurred since the last phase of the latest eruption ended more than two weeks ago.
Most trails inside the Enclos are now again open for public, with the exception of the wide area of and around the still hot pahoehoe lava flow field emplaced at the western foot of Dolomieu crater during the recent eruption.
(A significant, potential lethal hazard is breaking through the fragile crust of the shelly pahoehoe lava, potentially falling into still very hot hollow spaces underneath).
Previous news
Sun, 15 Nov 2015, 21:00
Heat signal from Karangetang volcano (MIROVA)
Karangetang (Siau Island, Sangihe Islands, Indonesia): (15 Nov) Activity at the volcano has decreased a bit, judging from the overall thermal signal, but continues with slow lava extrusion and small explosions at the summit crater, generating incandescent avalanches. ... read all
Fri, 13 Nov 2015, 21:00
Etna's steaming New SE crater this mornning
Etna (Sicily, Italy): (13 Nov) Etna's New SE crater is the likely site of new activity in the near future. Intense steaming from the eastern vent of the youngest summit crater suggests that magma is not far from the surface. ... read all
Thu, 12 Nov 2015, 21:00
Ash plume from Rinjani this morning (Terra satellite / NASA)
Rinjani (Lombok): According to local observers, the eruption has decreased in strength overall, although strombolian activity seems to still be intense and is visible on webcam images. ... read all
Wed, 11 Nov 2015, 21:00
MODIS thermal signal from Karangetang (MIROVA)
Sakurajima (Kyushu, Japan): Activity at the volcano remains comparably low. During 2-6 November, only two small-scale eruptions occurred at the Showa Crater. Alert level is kept at 3 out of 5. ... read all
Tue, 10 Nov 2015, 17:12
Etna's current tremor signal (EBCN station, INGV Catania)
Etna (Sicily, Italy): Last night, a marked peak of volcanic tremor occurred as sign of internal unrest at the volcano, but (unlike during many previous occasions) did not result in a paroxysm and was not associated with any particular change in surface activity. ... read all

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