Nevado del Ruiz volcano news & activity updates
Wed, 30 May 2012, 10:29
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Nevado del Ruiz volcano (Colombia) activity update: descreasing seismic activity, alert lowered to yellow
Tue, 8 May 2012, 10:05
According to INGEOMINAS, the Observatorio Vulcanológico and Sismológico de Manizales reported that during 1-2 May both satellite images and field observers indicated that steam and sulfur dioxide emissions rose from Nevado del Ruiz. Seismicity continued to decrease. On 3 May the Alert Level was lowered to III (Yellow; "changes in the behavior of volcanic activity"). ...more
Nevado del Ruiz volcano (Colombia) activity update: strong degassing, possible phreatic explosions, eruption warning
Thu, 3 May 2012, 09:04
During 25-26 and 28-30 April gas-and-steam plumes rose 0.5-2 km above Nevado del Ruiz's crater. Seismic signals indicated that an ash plume was emitted at 1248 on 30 April however cloud cover prevented observations. Seismicity fluctuated, but decreased. The Alert Level remained at II (Orange; "eruption likely within days or weeks").
Thu, 19 Apr 2012, 10:05
Seismicity at Nevado del Ruiz decreased during 11-15 April then slightly increased during 16-17 April, but remains at elevated levels. ...more [read all]
Tue, 10 Apr 2012, 17:03
The Colombian authorities have declared a red alert for the area around the volcano Nevado del Ruiz and warn the population against the feared mud flows (lahars) that are to be expected in an eruption of the volcano. The status of the volcano itself is described as eruption likely in the coming days or weeks. ...more [read all]
Tue, 3 Apr 2012, 17:02
Nevado del Ruiz seems to be getting closer to a new eruption. INGEOMINAS reports that during the last week, there has been a significant increase in the activity of the volcano, which can be summarized as follows: ...more [read all]
Thu, 29 Mar 2012, 10:05
During 19-25 March seismicity at Nevado del Ruiz increased and gas emissions remained at significant levels. Gas plumes rose 2 km above Arenas crater and sulfur dioxide odors were reported by local people.
Thu, 22 Mar 2012, 07:35
During 12-18 March seismicity at Nevado del Ruiz decreased but gas emissions remained at high levels, with gas plumes rising 2 km above the crater and sulfur dioxide odors noticed by local people.
Fri, 9 Mar 2012, 17:14
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Nevado del Ruiz volcano (Colombia), activity update: increase in shallow earthquakes under Arenas crater
Sun, 26 Feb 2012, 06:56
From 12:30 hours local time on February 23, a new increase in seismic activity of the Nevado del Ruiz volcano began, characterized by the occurrence of shallow earthquakes associated with fluid movements and fracturing of rock. INGEOMINAS also measured increased SO2 emissions and some changes in strain measurements. ...more [read all]