Tungurahua volcano (Ecuador) activity update: ash venting and intermittent explosions, lahars
Wednesday Jun 06, 2012 12:05 PM | BY: T
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.
On 3 June gas-and-ash plumes rose 100 m above the crater and an ash plume drifted NW. Lahars descended multiple drainages on the W flank. On 5 June ashfall was reported in Pondoa (8 km N), Juive (7 km NNW), Runtún (6 km NNE), Chacauco (NW), and Chontapamba (W), and steam emissions rose 1 km above the crater and drifted E.
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]
Tuesday, May 08, 2012
Explosions were heard in Baños on 2 May and ashfall was reported in Pillate (7 km W) the next day. ... [more]