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Nevado del Ruiz vulkaan
stratovulkaan 5321 m / 17,457 ft
Colombia, 4.9°N / -75.32°W
Current status: kleine activiteit of uitbarsting waarschuwing (3 out of 5)
Nevado del Ruiz webcams / Live-gegevens | Reports
Nevado del Ruiz vulkaan boeken
Nevado del Ruiz vulkaanuitbarstingen:
2015-16 (ongoing), 2014-15, 2012-13, 1994 (?), 1985-91, 1984-85, 1916, 1845, 1833?, 1831, 1829, 1828, 1826(?), 1805, 1623, 1595, 1570, 1541(?)
Typical eruption style:
explosive
Laatste aardbevingen in de omgeving
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Nevado del Ruiz volcano news & activity updates

Nevado del Ruiz volcano (Colombia): new ash emissions since 13 July

Wednesday Jul 22, 2015 13:47 PM | DOOR: T

Ash emissions from Nevado del Ruiz on 19 July
Ash emissions from Nevado del Ruiz on 19 July
Ash emissions from Nevado del Ruiz on 19 July seen from Manizales
Ash emissions from Nevado del Ruiz on 19 July seen from Manizales
Intermittent ash emissions began to occur at the volcano again since 13 July. The volcano observatory of Manizales reports increased seismic activity, related to internal fluid movements and rock fracturing processes.
Ash fall occurred on 13 July in nearby villages in up to 30 km distance to the southwest (in Chinchina). On 19 July, another series of explosions produced ash plumes that rose approx. 1 km above the crater and quickly dissipated.
According to scientists, the current magmatic system of Nevado del Ruiz is controlled by 3 reservoirs (magma chambers): one with basaltic magma at approx. 10 km depth, a second one with cooler and more silica-rich (dacitic) magma at approx. 5 km and a near-surface one at 2 km depth with an intermediate (andesitic) magma.
This system is connected to the surface with a very active hydrothermal system that provides a way to exchange heat by circulating fluids, and occasionally produces phreatic (steam-driven) explosions like the ones seen during the past months.
Vorig nieuws
Wednesday, Jun 10, 2015
Washington VAAC reported that on 6 June an ash emission from Nevado del Ruiz rose 800 m above the summit and drifted WNW. [meer...]
Steam (and ash?) plume from Nevado del Ruiz yesterday
Thursday, May 28, 2015
Unrest continues at the volcano. Strong steam emissions, sometimes mixed with light ash continue, accompanied by elevated seismic activity inside the volcano. ... [meer...]
Sunday, May 24, 2015
Mild ash emissions continue to occur irregularly from the volcano, producing plumes of a few hundred meters height. More intense activity yesterday prompted authorities to close the Manizales regional airport "La Nubia" until 31 May. [meer...]
Ash plume from Nevado del Ruiz Monday afternoon (INGEOMINAS)
Wednesday, Apr 22, 2015
Activity at the volcano has increased during the past week. Accompanied by elevated seismic activity, ash emissions have been occurring since 14 April. The strongest phase of activity was on 19 April, when ash plumes rose to estimated 900 meters above the summit. ... [meer...]
Ash emission from Nevado del Ruiz yesterday (INGEOMINAS)
Tuesday, Dec 16, 2014
Stokte de activiteit van start gegaan op de vulkaan in de vorm van overvloedige as emissies van de vulkaan top krater sinds gisteren. ... [meer...]

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