Santiaguito volcano (Guatemala): collapse of lava flows triggers pyroclastic flows
Sat, 10 May 2014, 11:05 | BY: T
Ash clouds from Santiaguito on the morning of 9 May 2014 (INSIVUMEH)
The activity seems to have been caused by partial collapse of the viscous lava flows on the steep sides of the dome. Ash fall was reported in the villages Las Marías, San Marcos Palajunoj, El Faro, La florida, and Patzulín, all located on the southern side of the volcano.
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Previous news
Wed, 7 May 2014, 06:00
Santa Maria volcano (Guatemala) - Smithsonian / USGS Weekly Volcanic Activity Report for 7 May-13 May 2014 (New Activity / Unrest)
CONRED and INSIVUMEH reported that activity at the Santa María's Santiaguito lava-dome complex increased on 9 May. Pyroclastic flows descended the E and SE flanks, and a dense ash plume rose to an altitude of 7.6 km (25,000 ft) a.s.l. Ashfall was reported in areas at least 20 km away, including Las Marías, San Marcos (10 km SW), Palajunoj (18 km SSW), El Faro (SW flank), La Florida (5 km S), Patzulín, and Quetzaltenango (18 km WNW); about 130 people were evacuated from these areas due to persistent airborne ash. ... Read all
Mon, 28 Apr 2014, 15:03
Santa María / Santiaguito volcano (Guatemala) activity update
Activity remains relatively low and unchanged. Occasional explosions from the lava dome produce small ash plumes generally lower than 1 km. Only few avalanches were reported lately, suggesting that effusion rate has dropped. ... Read all
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