Sangay (Ecuador) - Report for 8 August-14 August 2018 - NEW

In a special report IG stated that a new phase of activity at Sangay began on 8 August, with surficial activity characterized by low-energy ash emissions rising as high as 2.3 km above the crater rim and a possible new lava flow on the SE flank.
The Washington VAAC reported that prior to 1500 on 8 August an ash emission rose to an altitude of 5.8 km (19,000 ft) a.s.l., or 500 m above the crater rim, and drifted SW.
On 11 August a possible ash plume rose to 7.6 km (25,000 ft) a.s.l., or 2.3 km above the crater rim, and drifted WNW.
Thermal anomalies were identified in satellite data on 14 August.
That same day a webcam image showed incandescence on the upper part of the SE flank, suggesting a lava flow from the Ñuñurco dome.
The report stated that no activity at Sangay had been observed since the last eruption ended in November 2017.

Source: Instituto Geofísico-Escuela Politécnica Nacional (IG)

Fonte/Source: Global Volcanism Program/Smithsonian Institution


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