Santa Maria (Guatemala) - Report for 11 October-17 October 2017

INSIVUMEH reported that on 11 October a moderate lahar descended the Cabello de Ángel and the Nimá I drainages, both tributaries of the Salama river.
During 12-13 October ash plumes generated by explosions rose 500 m above the crater rim and drifted SE, causing ashfall in Finca San José.
Avalanches of material descended the SE part of the lava dome.
On 13 October the seismic network detected moderate-to-strong lahars in the Cabello de Ángel and the Nimá I drainages triggered by heavy rain.
Explosions during 13-14 October produced ash plumes that drifted SW, causing ashfall in La Florida (5 km S) ranch.
Ash plumes from explosions detected during 15-16 October rose 600 m and drifted S.
Ash fell locally around the volcano.
Avalanches of material descended the NE and SE parts of the lava dome.

Source: Instituto Nacional de Sismologia, Vulcanologia, Meteorologia, e Hidrologia (INSIVUMEH)

Fonte/Source: Global Volcanism Program/Smithsonian Institution


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