Santa María, Guatemala

Based on analysis of satellite imagery, the Washington VAAC reported that on 26 February an eruption from Santa María’s Santiaguito lava dome complex produced an ash plume that drifted SW. On 27 February and 2 March, INSIVUMEH reported that explosions produced ash plumes that rose to altitudes of 2.8-3.4 km (9,200-11,200 ft) a.s.l. and drifted [...]

Santa María, Guatemala

Based on analysis of satellite imagery, the Washington VAAC reported that on 18 February a dense ash plume from Santa María’s Santiaguito lava dome complex drifted W. On 20 February, INSIVUMEH reported that an explosion produced an ash plume that rose to an altitude of 3.2 km (10,500 ft) a.s.l. and drifted E. On 24 [...]

Santa María, Guatemala

Based on analysis of satellite imagery, the Washington VAAC reported that on 12 February ash puffs from Santa María’s Santiaguito lava dome complex drifted WSW and W. On 16 and 17 February, INSIVUMEH reported that explosions produced ash plumes that rose to altitudes of 2.7-3.3 km (8,900-10,800 ft) a.s.l. and drifted SW. Small pyroclastic flows [...]

Santa María, Guatemala

Based on analysis of satellite imagery, the Washington VAAC reported that on 4 February multiple ash puffs from Santa María’s Santiaguito lava dome complex drifted W. On 6 February, INSIVUMEH reported that fumarolic plumes rose 80 m above the crater and rifted S and SW. Explosions produced plumes that rose to altitudes of 2.8-3.1 km [...]

Santa María, Guatemala

Based on analysis of satellite imagery, the Washington VAAC reported that a small ash plume from Santa María’s Santiaguito lava dome complex drifted NW on 23 December. The next day a plume drifted W, and on 25 December a puff of ash drifted WNW.
Source: Instituto Nacional de Sismologia, Vulcanologia, Meteorologia, e Hidrologia (INSIVUMEH) – “Reports [...]

Santa María, Guatemala

INSIVUMEH reported that during 21-26 August explosions from Caliente, a unit of Santa María’s Santiaguito lava dome complex, produced ash plumes that rose to altitudes of 2.8-3.3 km (9,200-10,800 ft) a.s.l. and drifted S, SW, and W. Constant degassing was noted.
Source: Instituto Nacional de Sismologia, Vulcanologia, Meteorologia, e Hidrologia (INSIVUMEH) – “Reports provided courtesy of [...]

Santa María, Guatemala

INSIVUMEH reported that on 22 July seismic stations monitoring Santa María’s Santiaguito lava dome complex detected a lahar below the S flank in the Nima I river. Explosions observed on 23, 28, and 29 July from Caliente cone produced ash plumes that rose to altitudes of 2.8-3.3 km (9,200-10,800 ft) a.s.l. and drifted SW and [...]

Santa María, Guatemala

Santa Maria, the 1902 crater, and Santiaguito    
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On 4 July, INSIVUMEH reported that an explosion from Santa María’s Santiaguito lava dome complex produced an ash plume that rose to an altitude of 3.3 km (10,800 ft) a.s.l. and drifted SW. A lahar traveled S down the Nima [...]

Santa María, Guatemala

During 19-24 June, INSIVUMEH reported that weak-to-moderate explosions from Santa María’s Santiaguito lava dome complex produced ash plumes that rose to altitudes of 2.8-3.3 km (9,200-10,800 ft) a.s.l. and drifted SW and S. An incandescent lava flow accompanied by constant avalanches of blocks descended the SW flank. On 20 June, a lahar traveled S down [...]

Santa María, Guatemala

INSIVUMEH reported that lahars caused by heavy rainfall descended multiple drainages on Santa María on 3 June. On 9 June, a lahar about 15 m wide and up to 2 m deep descended S down the Nima I river, carrying blocks up to 1 m in diameter and smelling of sulfur.
Source: Instituto Nacional de Sismologia, [...]