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Nevado del Ruiz volcano
stratovolcano 5321 m / 17,457 ft
Colombia, 4.9°N / -75.32°W
Current status: minor activity or eruption warning (3 out of 5)
Nevado del Ruiz webcams / live data | Reports
Nevado del Ruiz volcano books
Nevado del Ruiz volcano eruptions:
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:
Last earthquakes nearby
Latest satellite images

Sentinel hub | Landsat 8

Nevado del Ruiz volcano news & activity updates

Nevados de Ruiz volcano (Colombia): new ash eruptions

Tuesday Jun 28, 2016 18:46 PM | BY: T

Ash emission from Nevado del Ruiz this morning
Ash emission from Nevado del Ruiz this morning
The volcano produced again several small to moderately-sized ash eruptions during yesterday and today, generating plumes that rose up to approx. 1 km above the crater.
The most significant emissions occurred occurred yesterday morning at 08:22 and today at 07:48 local time and were accompanied by a strong tremor signals.
Time-lapse video of the activity since yesterday dawn:

A priori it is assumed that these explosions were the result of shallow explosions in the unstable hydrothermal system of the volcano and involve no fresh magma, although a shallow underlying magma body is likely indirectly the cause by providing the heat.
A precursor might have been a volcano-tectonic earthquake of magnitude 3 that occurred at shallow depth (3.5 km) beneath the Arenas crater on 22 June, possibly caused by increased magma pressure inside the volcano's upper storage system.
SGC (Colombia's National Geologic Survey) keeps the alert level of Nevado del Ruiz unchanged at (only) III (yellow) on the Colombian scale ranging from IV (green, lowest) to I (red, highest).
Previous news
Ash emission from Nevado del Ruiz yesterday (Azufrado webcam)
Monday, Jun 06, 2016
Sporadic mild explosions continue to occur from time to time, generating small ash plumes. Overall, the volcano's activity has decreased during the past weeks, but it remains in an unstable state. It is impossible to predict how the activity will evolve (could calm down further or increase) in the near to medium future. ... [more]
Ash emission from Nevado del Ruiz yesterday
Monday, May 23, 2016
The volcano remains restless and produces intermittent ash explosions of varying size. An emission of ash yesterday forced the regional La Nubia airport to close down for a few hours and the volcano observatory reported a new pulse likely occurring a short time ago. ... [more]
Friday, May 20, 2016
The Manizales volcano observatory reported that sporadic mild ash emissions continue to occur at the volcano, last on 17 and 18 May. ... [more]
Tuesday, May 03, 2016
Washington VAAC reported an ash emission on 2 May that rose to an altitude of 7 km (23,000 ft) a.s.l. and drifted NW. [more]
Sunday, Apr 24, 2016
The volcano produced a small ash plume today, Manizales volcano observatory reported to Washington VAAC. Webcam views are obscured by weather clouds. ... [more]

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