Tungurahua volcano (Ecuador) activity update: occasional strong explosions with ash columns up to 3 km, lahars
Wednesday Jun 13, 2012 12:05 PM | BY: T
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.
On 10 June an explosion was detected by the seismic network; windows vibrated and ash fell in Manzano (8 km SW). An explosions was heard the next day, as well as sounds resembling rolling blocks. An ash plume rose 3 km above the crater and drifted W and E. Ashfall was reported in Manzano.
Wednesday, Jun 06, 2012
On 30 May gas-and-ash plumes rose from the crater and ash fell on the upper flanks. The next day gas-and-ash plumes rose 200 m above the crater and drifted W. ... [more]
Tuesday, Jun 05, 2012
Ecuador's Instituto Geofísico (IG) reported an increase in tremor at Tungurahua volcano associated with a new phase of ash venting starting on 3 June evening and continuing into the morning of 4 June. Ash plumes were drifting NW and NE and producing light ash fall. [more]
Friday, Jun 01, 2012
IG reported that during 23-24 May gas-and-ash plumes from Tungurahua drifted SW, W, and NW. Ashfall was reported in Mapayacu (SW), Puela (8 km SW), Manzano (8 km SW), Cahuají (8 km SW), and Riobamba (30 km S). ... [more]
Thursday, May 24, 2012
On 16 May a steam-and-gas plume drifted W and lahars descended the W flank. On 18 May ashfall was reported in Manzano (8 km SW), Choglontus (SW), Chontapamba (W), Yuibug, Puela (8 km SW), and high in the Mapayacu drainage (SW). ... [more]
Thursday, May 17, 2012
IG reported that during 9-15 May visual observations of Tungurahua were often limited due to cloud cover. ... [more]