Volcano Discovery Thursday Mar 28, 2013 11:04 AM
Location of recent quakes at EL Hierro (IGN)
Explosion from Popocatépetl at 22:00 on 26 March (local time)
El Hierro (Canary Islands, Spain): 3D animation of the 2011-2012 submarine volcano:
The Istituto Oceanografico has released a 3D animation of the new volcanic cone formed in 2011-12, using the new data obtained by the latest bathymetry mission of the Oceanographic Vessel Ramon Margalef:
...28 Mar:
The intensity of the ongoing earthquake swarm has again decreased somewhat although a strong pulse of tremor and quakes occurred 2 hours ago.
The latest quakes, mostly in the magnitude 2-3 range and at about 18 km depth show a migration of hypocenters to the south to an area about 10 km west of the island, indicating that magma has moved to there now.
Popocatépetl (Central Mexico): the current phase of elevated activity continues. Emissions of steam and gas and small to moderate explosions have risen to an average of 3 per hour and sometimes merged into continuous activity yesterday and today. Some of the stronger explosions ejected lava bombs to distances of 1 km from the crater and produced plumes of steam and ash rising up to 1.5 km.
CENAPRED also recorded spasmodic tremor segments of high frequency and low amplitude.
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