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Volcanoes Today, 3 Aug 2015: Piton de la Fournaise volcano, Raung

Monday Aug 03, 2015 17:00 PM |
Heat signal from Raung volcano during the past year (MIROVA)
Heat signal from Raung volcano during the past year (MIROVA)
Eruptive fissure of Piton de la Fournaise on 31 July (image: Paul Dérand)
Eruptive fissure of Piton de la Fournaise on 31 July (image: Paul Dérand)
Raung (East Java): The eruption continues. Ash emissions have decreased, while satellite-detected heat emission increased during the past days. This could suggest that activity is now more effusive (lava flows) than explosive (ash emissions) in style.
This morning, an ash plume rose approx. 1 km above the volcano and drifted 100 km to the SW. Indonesia's Volcanological Survey VSI mentioned yesterday that seismic activity rapidly decreased. Whether this means a near ending of the eruption remains to be seen.

Piton de la Fournaise (La Réunion): After less than 3 days, the eruption already ended Sunday morning. The volcano observatory reported that tremor and lava effusion ceased abruptly at 11:15. However, a new eruptive phase in the near future cannot be ruled out.
The access to the Enclos remains closed.
... [read more]
Tidigare Nyheter
Ash plume from Manam volcano (Himawari-8 True Color imagery)
Friday, Jul 31, 2015
Manam (Papua New Guinea): A large explosive eruption occurred at the volcano today. The event produced an ash column that rose to approx. 65,000 ft (20 km) altitude and started to drift SW. ... [mera]
Thursday, Jul 30, 2015
Piton de la Fournaise (La Réunion): A new eruption might be under way at the volcano. Since last weekend, seismic activity from a source at 1-2 km depth beneath Dolomieu crater has been increasing. In addition, increased degassing and inflation of the Dolomieu crater have been detected, both likely signs of a new magma intrusion at shallow depth. ... [mera]
Recent earthquakes under Meakan volcano (JMA)
Tuesday, Jul 28, 2015
Karymsky (Kamchatka): An ash plume from an explosion produced an ash plume that rose to 14,000 ft (4.2 km) altitude and drifted north this morning. The volcano continues to produce intermittent strombolian- to vulcanian-type explosive eruptions. ... [mera]
Pyroclastic flow at Sinabung volcano today at 12:22
Monday, Jul 27, 2015
Sinabung (Sumatra, Indonesia): (27 Jul) Activity has remained essentially unchanged. Effusion of viscous lava continues at slow pace to feed the lava dome with two active lobes on the SE and E upper flanks. At 12:22 local time today, a small part of the eastern lobe collapsed into a medium-sized pyroclastic flow that traveled approx. 2.5 km towards the outskirts of the (already evacuated and destroyed) villages of Bekerah and Simacem. ... [mera]
Incandescence from the two lava lobes of Sinabung and a rockfall at night (25 July)
Sunday, Jul 26, 2015
Sinabung (Sumatra, Indonesia): During the past 2,3 days, the volcano has been relatively calm and not produced pyroclastic flows, only small rockfalls from two lava lobes, a smaller and a much larger one, overspilling to the SE and ENE, respectively ... [mera]

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