18th January 2012, 23:20
U.S. Geological Survey
Santa Mar?a (Guatemala) - Report for 11 January-17 January 2012
INSIVUMEH reported that during 11-12 and on 16 January explosions from Santa Mar?a's Santiaguito lava-dome complex generated ash plumes that rose 600-800 m above the complex and drifted SW. Lava flows on 16 January on the SE and SW flanks generated block avalanches and rumbling noises.
Source: Instituto Nacional de Sismologia, Vulcanologia, Meteorologia, e Hidrologia (INSIVUMEH)