Here the official report of today 22 may:
Eruption in Eyjafjallajökull
Status Report: 14:00 GMT, 22 May 2010
Icelandic Meteorological Office and Institute of Earth Sciences, University
Compiled by: Sigþrúður Ármannsdóttir, Sigrún Hreinsóttir, Teitur Arason, Steinunn S.
Jakobsdóttir and Hrafn Guðmundsson.
Based on: IMO seismic monitoring; IES-IMO GPS monitoring; IMO hydrological data;
web cameras, ATDnet – UK Met. Offices lightning detection system, Satellite
images and web-based ash reports from the public.
Height (a.s.l.): According to a reconnaissance flight, the plume is estimated at 4
km/14,000ft. A light easterly wind blows the plume to the west
Colour: Lightgrey and grey, with a small amount of ash to the west, according
to the reconnaissance flight.
Tephra fallout: No reports of ashfall today.
Lightning: No lightning strikes have been detected since 13:00, two days ago.
Noises: No reports.
Meltwater: Small discharge from Gígjökull.
Conditions at eruption site: The eruption rate is similar as yesterday. Still some
explosive activity seen from the reconnaissance flight. Crater or lava
flow not visible due to overcast cloud layer over the volcano.
Seismic tremor: Volcanic tremor levels similar to yesterday.
Earthquakes: About twenty earthquakes have been recorded since midnight, the
majority at shallow depths.
GPS deformation:Horizontal displacements toward the centre of Eyjafjallajökull volcano
Overall assessment: The eruption is ongoing similar as yesterday. There are
occasional explosions in the crater.