Tungurahua volcano (Ecuador) activity update: occasional weak to moderate ash explosions and steaming
Tuesday Aug 07, 2012 10:35 AM | BY: T
Activity remains generally at relatively low levels. Few small to moderate explosions (about 3-5 per day) and weak steam and ash venting continue at Tungurahua. The last reported ash cloud altitude was at 18,000 ft (4.5 km) from an explosion on 6 Aug.
Corresponding spectrum of seismic signal from RETU station showing a phase of tremor earlier today (IG)
This morning, a more intense phase with volcanic tremor is visible on the seismograms.
Wednesday, Aug 01, 2012
Tungurahua has moderate seismic activity with a weak tremor signal. A small emission was registered at 01:59 local time yesterday. Mostly the volcano is covered in clouds. [more]
Tuesday, Jul 31, 2012
Seismic data suggest a phase of increased activity occurred at Tungurahua volcano in Ecuador on 29 July, but there are no recent reports of new ash emissions. At the moment, the seismicity is rather calm. [more]
Wednesday, Jul 25, 2012
Small explosive activity persists at Tunguarahua volcano. ... [more]
Wednesday, Jun 20, 2012
On 13 June ash plumes rose 2-2.5 km above the crater and drifted NE and N. Ashfall was reported in Cusúa (8 km NW) and Bilbao (8 km W). An explosion the next day caused windows to vibrate in areas 8 km SW and N. Steam plumes rose 0.5-2 km above the crater during 16-18 June. Windows in Manzano (8 km SW) vibrated during 18-19 June, and ashfall was reported in Palitagua, Runtún (6 km NNE), and Choglontús (SW). [more]
Wednesday, Jun 13, 2012
On 7 June lahars traveled SW down the Mapayacu drainage, carrying blocks 10-20 cm in diameter. Lahars also descended the Achupashal (NW) and El Confesionario (WSW) drainages, causing a temporary closure of the Baños-Penipe highway. ... [more]