Based on analysis of satellite imagery, the Washington VAAC reported that two small ash plumes from Santa María's Santiaguito lava dome complex drifted ESE on 1 January. During 4-5 January, gas and steam plumes possibly containing some ash drifted SW and WSW. INSIVUMEH reported that on 5 and 6 January fumarolic plumes drifted 100 m above the crater.
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.
Wed, 17 Dec 2008, 06:00
Based on analysis of satellite imagery, the Washington VAAC reported that during 17-20 and 22 December ash plumes from Caliente dome in Santa María's Santiaguito lava dome complex drifted SW, W, and NW. Plumes rose to an altitude of 5.8 km (19,000 ft) a.s.l. on 18 December.
Read allWed, 10 Dec 2008, 06:00
INSIVUMEH reported that on 12 December explosions from Caliente dome in Santa María's Santiaguito complex produced an ash plume that rose to an altitude of 3.2 km (10,500 ft) a.s.l. and drifted SW. Based on analysis of satellite imagery, the Washington VAAC reported that an ash plume rose to an altitude of 5.8 km (19,000 ft) a.s.l. and drifted SW.
Read allFri, 21 Nov 2008, 22:33
It was reported that ash puffs from Santa María's Santiaguito lava dome complex drifted SW on 11 and 15 November.
Wed, 12 Nov 2008, 06:00
Based on analysis of satellite imagery, the Washington VAAC reported that ash puffs from Santa María's Santiaguito lava dome complex drifted SW on 11 and 15 November.
Read allWed, 24 Sep 2008, 06:00
Based on information from the Tegucigalpa MWO, the Washington VAAC reported that on 18 September an ash plume from Caliente dome in Santa María's Santiaguito complex rose to an altitude of 4.3 km (14,000 ft) a.s.l. and drifted SSW. INSIVUMEH reported on 24 September that explosions produced ash plumes that rose to altitudes of 2.8 km (9,200 ft) a.s.l. and drifted SW.
Read allWed, 10 Sep 2008, 06:00
INSIVUMEH reported that on 10 September seismic stations monitoring Santa María's Santiaguito lava dome complex detected a lahar below the S flank in the Nima I River. The lahar, about 18 m wide and up to 2 m deep, carried blocks and smelled of sulfur. During 11-16 September, explosions produced ash plumes that rose to altitudes of 2.8-3.3 km (9,200-10,800 ft) a.s.l. and drifted SW.
Read allWed, 20 Aug 2008, 06:00
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.
Read allWed, 23 Jul 2008, 06:00
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 W.
Read allWed, 2 Jul 2008, 06:00
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 I river, carrying tree limbs and blocks up to 50 cm in diameter.
Read allSat, 21 Jun 2008, 12:02
Over the past weeks, activity at from Santa María's Santiaguito lava dome complex was mild to low, producing produced ash plumes rising to 4.1-4.4 km (13,500-14,400 ft) a.s.l.
Wed, 18 Jun 2008, 06:00
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.
Read allWed, 11 Jun 2008, 06:00
INSIVUMEH reported that during 13-17 June, weak explosions from Santa María's Santiaguito lava dome complex produced ash plumes that rose to altitudes of 4.1-4.4 km (13,500-14,400 ft) a.s.l. and drifted SW. On 13 June, gas-and-steam plumes rose from Caliente cone and drifted SE.
Read allWed, 4 Jun 2008, 06:00
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.
Read allWed, 21 May 2008, 06:00
INSIVUMEH reported explosions from Santa María's Santiaguito lava dome complex during 22-27 May. Resultant ash plumes seen during breaks in cloud cover rose to altitudes of 4.1-4.4 km (13,500-14,400 ft) a.s.l. and drifted S and SW.
Read allWed, 7 May 2008, 06:00
Based on observations of satellite imagery, the Washington VAAC reported that ash puffs from Santa María's Santiaguito lava dome complex drifted NW on 13 May.
Read allWed, 23 Apr 2008, 06:00
Based on observations of satellite imagery, the Washington VAAC reported that an ash plume from Santa María's Santiaguito lava dome complex rose to an altitude of 4.6 km (15,000 ft) a.s.l. and drifted SW on 25 April. On 28 April, INSIVUMEH reported that weak explosions produced ash plumes that rose to an altitude of 4.1 km (13,500 ft) a.s.l. and drifted W.
Read allWed, 16 Apr 2008, 06:00
INSIVUMEH reported explosions from Santa María's Santiaguito lava dome complex during 15-21 April. Resultant ash plumes rose to altitudes of 4.1-4.7 km (13,500-15,400 ft) a.s.l. and drifted SW.
Read allWed, 2 Apr 2008, 06:00
Based on observations of satellite imagery, the Washington VAAC reported that ash puffs from Santa María's Santiaguito lava dome complex drifted W on 2 April. During 3-7 April, INSIVUMEH reported that small explosions produced ash plumes; ashfall was reported in surrounding areas.
Read allWed, 26 Mar 2008, 06:00
Based on observations of satellite imagery, the Washington VAAC reported that ash puffs from Santa María's Santiaguito lava dome complex drifted SW on 1 April.
Read allThu, 21 Feb 2008, 14:20
Avalanches from lava flows were reported on 6 February on the W flank of Santa María's Santiaguito lava dome complex.
Read allWed, 13 Feb 2008, 06:00
INSIVUMEH reported on 6 February that avalanches from lava flows on the W flank of Santa María's Santiaguito lava dome complex continued. Explosions produced ash-and-steam plumes that rose to an altitude of 3.9 km (12,800 ft) a.s.l. On 8 February, a strong phreatic explosion produced an ash plume that rose to an altitude of 4.7 km (15,400 ft) a.s.l. and caused ashfall in areas 4 km to the SW.
Read allFri, 8 Feb 2008, 23:04
The Washington VAAC reported that gas plumes with possible ash content from Santa María's Santiaguito lava on 30 January.
Wed, 6 Feb 2008, 21:43
Recent photos of the St. Maria volcano can be seen at the this homepage:
Read allWed, 30 Jan 2008, 06:00
Based on observations of satellite imagery, the Washington VAAC reported that gas plumes with possible ash content from Santa María's Santiaguito lava dome complex drifted SW on 30 January. Ash plumes drifted WNW on 3 February.
Read allWed, 9 Jan 2008, 06:00
INSIVUMEH reported on 11 January that constant avalanches on the W and SW flanks of Santa María's Santiaguito lava dome complex were noted. Explosions produced ash plumes that rose to altitudes of 4.1-4.5 km (13,500-14,800 ft) a.s.l. and drifted SW.
Read all
