Tungurahua (Ecuador) - Report for 20 January-26 January 2010 - NEW

The IG reported that during 20-26 January explosions from Tungurahua were detected by the seismic network.
Inclement weather often prevented observations of the volcano; occasionally ash plumes were seen rising to altitudes of 5.3-8 km (17,400-26,200 ft) a.s.l.
Ashfall was noted almost daily in areas to the SW and sometimes to the W and NW.
Roaring noises, sounds resembling "cannon shots," and vibrating windows were reported.
During 20-23 January lava fountains and explosions ejected incandescent blocks that fell onto and rolled down the flanks.
Blocks were also seen rolling down the flanks on 24 and 25 January.
On 26 January, an explosion generated an ash plume that rose to an altitude of 9 km (30,000 ft) a.s.l.
Ashfall was reported in areas to the NW, W, and WSW.

Source: Instituto Geofísico-Escuela Politécnica Nacional (IG)