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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
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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:
explosive
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

Tue, 28 Jun 2016, 18:46
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
Mon, 6 Jun 2016, 14:43
Ash emission from Nevado del Ruiz yesterday (Azufrado webcam)
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. ... read all
Mon, 23 May 2016, 11:01
Ash emission from Nevado del Ruiz yesterday
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. ... read all
Fri, 20 May 2016, 08:52
The Manizales volcano observatory reported that sporadic mild ash emissions continue to occur at the volcano, last on 17 and 18 May. ... read all
Tue, 3 May 2016, 12:05
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. ... read all
Sun, 24 Apr 2016, 14:35
The volcano produced a small ash plume today, Manizales volcano observatory reported to Washington VAAC. Webcam views are obscured by weather clouds. read all
 

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