Tungurahua volcano (Ecuador) - Smithsonian / USGS Weekly Volcanic Activity Report for 6 November-12 November 2013 (New Activity / Unrest)
IG reported that activity at Tungurahua remained at moderate levels during 6-12 November. Although cloud cover sometimes prevented visual observations of the crater, ash plumes were observed on most days. An ash plume rose 1 km and drifted W on 7 November.
Wed, 6 Nov 2013, 06:0006:00 AM | BY: VN
The next day ashfall was reported in Runtún (6 km NNE), Pondoa (8 km N), and Baños (8 km N). On 9 November an ash plume rose 3 km and drifted W, and blocks rolled down the flanks. Ash fell in Choglontus (SW), Bilbao (W), and Cusúa (8 km NW).
On 10 and 12 November ash plumes rose 1 km and drifted SW, and 1.5 km and drifted W, respectively. Ashfall was reported in El Manzano (8 km SW) on 12 November.
Source: Instituto Geofísico-Escuela Politécnica Nacional (IG)
From: Global Volcanism Program, 2013. Report on Tungurahua. In: Mayberry, G (ed.), Weekly Volcanic Activity Report 6 November-12 November 2013. Smithsonian Institution and US Geological Survey.
Sun, 3 Nov 2013, 11:14
Activity is at moderate levels, characterized by relatively infrequent and small ash explosions. ... Read all
Wed, 30 Oct 2013, 06:00
Tungurahua volcano (Ecuador) - Smithsonian / USGS Weekly Volcanic Activity Report for 30 October-5 November 2013 (New Activity / Unrest)
IG reported that, during the last week of October and the first days of November, moderate activity continued at Tungurahua; there were ~10 explosive emissions recorded. Plumes reached 800-2,000 m above the crater and drifted E and SE; ashfall was not reported from nearby communities. Seismicity included explosions, long-period earthquakes, volcano-tectonic earthquakes, and tremor (often associated with emissions). ... Read all