Nevado Del Huila, Colombia

INGEOMINAS reported that during 12-16 December steam-and-gas plumes drifting SE and SW from Nevado del Huila were seen on a video camera rising to an altitude of 6.9 km (22,600 ft) a.s.l. A video camera was set up SSW of the volcano on 12 December.
Source: Instituto Colombiano de Geología y Minería (INGEOMINAS) – “Reports provided [...]

Nevado Del Huila, Colombia

INGEOMINAS reported an eruption of Nevado del Huila at 2145 on 20 November that destroyed part of a new lava dome that had formed during the previous months. The Alert Level was raised to Red (on a 4-color scale where Red is the highest level). According to the Washington VAAC, two gas-and-ash plumes rose to [...]

Nevado Del Huila, Colombia

On 7 November, INGEOMINAS raised the Alert Level for Nevado del Huila to Orange (on a 4-color scale where Orange is the second highest) due to increased seismicity and the probability of ash and gas emissions. During an overflight on 9 November, scientists observed continuous emissions of ash and gas from Pico Central, including from [...]

Nevado Del Huila, Colombia

INGEOMINAS reported that on 2 September a M 4.6 earthquake at Nevado del Huila was detected 2.2 km NE of Pico Central. The Alert Level remained at Yellow (on a 4-color scale where Yellow is the second lowest).
Sources: Instituto Colombiano de Geología y Minería (INGEOMINAS) – “Reports provided courtesy of the Smithsonian’s Global Volcanism Program [...]

Nevado Del Huila, Colombia

INGEOMINAS reported that no significant morphological changes to the summit of Nevado del Huila were noted during an overflight on 6 May, although the NE and NW flanks could not be directly observed. Fumarolic plumes drifted NW. The Alert Level was lowered to Yellow (on a 4-color scale where Yellow is the second lowest).
Sources: Instituto [...]

Nevado Del Huila, Colombia

Seismicity from Nevado del Huila increased during 9-12 April then again on 13 April, prompting INGEOMINAS to raise the Alert Level to Orange (the second highest level on a 4-color scale). During 13-14 April, seismic signals possibly indicated an eruption. According to news articles, authorities ordered about 15,000 people to evacuate. On 14 April at [...]

Nevado Del Huila, Colombia

INGEOMINAS reported that seismic tremor from Nevado del Huila increased during 18-25 March. Residents reported noises, the odor of sulfur, and small ash plumes. Seismicity increased again on 29 March; INGEOMINAS raised the Alert Level to Orange (on a 4-color scale, Orange is second highest).
Source: Instituto Colombiano de Geología y Minería (INGEOMINAS) – “Reports provided [...]

Nevado Del Huila, Colombia

INGEOMINAS reported that seismic tremor from Nevado del Huila on 2 March was possibly associated with ash emission. Based on a Bogota SIGMET, the Washington VAAC reported that an ash plume rose to an altitude of 7.6 km (25,000 ft) a.s.l. the same day.
Sources: Instituto Colombiano de Geología y Minería (INGEOMINAS), Washington Volcanic Ash Advisory [...]

Nevado Del Huila, Colombia

INGEOMINAS reported that sulfur dioxide plumes from Nevado del Huila drifted NW on 8 and 12 February.
Source: Instituto Colombiano de Geología y Minería (INGEOMINAS) – “Reports provided courtesy of the Smithsonian’s Global Volcanism Program and the US Geological Survey’s Volcano Hazards Program.”