Tungurahua volcano (Ecuador), activity update: continuing ash eruptions
Donnerstag Mär 06, 2008 14:18 |
IG reported steam and ash-and-steam plumes from Tungurahua that rose to altitudes of 5.8-8 km (19,000-26,200 ft) a.s.l. during 27 February - 1 March. Ash plumes drifted NW, W, SW, and SE, ashfall was reported in areas to the SW on 27 February. Lahars or mudflows descended the Mapayacu and Choglontus drainages in the SW, and drainages in the Pampas sector to the S on 27 and 28 February.
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Donnerstag, Feb 21, 2008
Ash and steam-and-ash plumes from Tungurahua were rosing to altitudes of 6-9 km a.s.l. during 12-19 February and drifted mainly NW, W, and NE. During 12-13 and 16 February, incandescence at the summit was ... [mehr]
Mittwoch, Feb 06, 2008
Ash plumes were spotted and rose to altitudes of 5.5-9 km during 23-29 January. [mehr]
Montag, Jan 07, 2008
Tungurahua volcano's activity has been increasing over the past days. The Ecuadorian Insititute of Geophysics (IG) reports an increase in the frequency and size of ash explosions. IG interprets the present style of activity as related to constant degassing in an open-conduit system filled with vicsous magma. Sronger explosions alternate with near-constant emissions of gas and ash. ... [mehr]
Sonntag, Nov 18, 2007
Tungurahua volcano continues its explosive eruptions producing ash plumes rising to altitudes of 6-9 km (19,700-30,000 ft) a.s.l. Ash ashfall was reported from multiple areas downwind, mainly to the W and SW. Loud roars and "cannon-shot" like detonations are heard in several areas near the volcano. IG reported the passing of a lahar on the SW flank that lasted about 30 minutes on 10 November. ... [mehr]
Samstag, Nov 03, 2007
It was reported that ash-and-steam and ash plumes from Tungurahua rose to
altitudes of 5.5-6.5 km during 23-30 October.
During 25-26 October, incandescence was observed at the summit and noises resembling "cannon shots".
On 28 October, ash plumes rose to 13 km (43,000 ft) a.s.l.
During 28-29 October, noises resembling blocks rolling down the flanks. [mehr]