Archives June 2006
Night of 30/01 July - There was a large & very bright outburst from the
lavadome at 23:30 last night. This event corresponded to an
Magnitude 3.3
tremor (see also
YELL
webicorder, and
Google Maps location) - most likely indicating the collapse of a large
section of the growing lavadome.
The first animation below shows the full frame processed images of the mountain
which have been enhanced to maximise the brightness of the glow and the second
shows those images superimposed over a daytime image of the crater for
reference. The animation speed is set at 6 fps (equivalent of half an hour in
real time per second).
Flash
movie - enhanced images of the glow (size 380 kB)
Flash movie - enhanced images of the glow, superimposed on a background image of
the mountain - only the area around the crater is animated (size 208 kB)
Night of 29/30 June - The glow from the lavadome was most active between
23:00 and 03:00 this morning, with several small bright outbursts visible on the
images.
The first animation below shows the full frame processed images of the mountain
which have been enhanced to maximise the brightness of the glow and the second
shows those images superimposed over a daytime image of the crater for
reference. The animation speed is set at 6 fps (equivalent of half an hour in
real time per second).
Flash
movie - enhanced images of the glow (size 389 kB)
Flash movie - enhanced images of the glow, superimposed on a background image of
the mountain - only the area around the crater is animated (size 208 kB)
Night of 28/29 June - Another gloriously clear night and the glow from
the lavadome was burning brightly at sunset then slowly faded during the night.
The first animation below shows the full frame processed images of the mountain
which have been enhanced to maximise the brightness of the glow and the second
shows those images superimposed over a daytime image of the crater for
reference. The animation speed is set at 6 fps (equivalent of half an hour in
real time per second).
Flash
movie - enhanced images of the glow (size 356 kB)
Flash movie - enhanced images of the glow, superimposed on a background image of
the mountain - only the area around the crater is animated (size 184 kB)
Night of 27/28 June - The night was clear and there were several tremors
larger than the background, but the only visible activity occurred at 04:18.
This appears to coincide with a broad seismic signal recorded on the
Yellow
Rock webicorder that lasted from 04:16 until 04:19.
The first animation below shows the processed images at the approximate
brightness as seen in the Volcanocam images and the second shows the same images
superimposed over a daytime image of the crater for reference. The animation
speed is set at 2 fps (equivalent of 10 minutes in real time per second) and
only the images where the glow was visible are included.
Flash movie - images of the glow (size 106 kB)
Flash movie - images of the glow, superimposed on a background image of
the mountain - only the area around the crater is animated (size 82 kB)
Night of 26/27 June - Another clear night and the glow from the lavadome
was intermittently visible throughout the night - but there were no particularly
bright outbursts.
The animation below shows the full frame processed images of the mountain
which have been enhanced to maximise the brightness and superimposed over a daytime image of the crater for
reference. The animation speed is set at 6 fps (equivalent of half an hour in
real time per second).
Flash movie - enhanced images of the glow, superimposed on a background image of
the mountain - only the area around the crater is animated (size 166 kB)
Night of 24/25 June - It was a clear night and there were a couple of
outbursts of activity last night. The first was soon after sunset at 21:56 and
the brightest outburst occurred at 01:46 - neither of which appeared to
corresponded with larger tremors on the seismic traces (e.g. see
YELL
webicorder).
The first animation below shows the full frame processed images of the mountain
which have been enhanced to maximise the brightness of the glow and the second
shows those images superimposed over a daytime image of the crater for
reference. The animation speed is set at 6 fps (equivalent of half an hour in
real time per second).
Flash
movie - enhanced images of the glow (size 330 kB)
Flash movie - enhanced images of the glow, superimposed on a background image of
the mountain - only the area around the crater is animated (size 201 kB)
Night of 22/23 June - The first clear night since 12 June didn't present
a very active view of Mount St Helens. The incandescent glow from the lavadome
was only visible briefly at 22:47 and 03:22 last night - with the event at 03:22
indicating a small rock slide from near the top of the growing lavadome fin.
The first animation below shows the full frame processed images of the mountain
which have been enhanced to maximise the brightness of the glow and the second
shows those images superimposed over a daytime image of the crater for
reference. The animation speed is set at 6 fps (equivalent of half an hour in
real time per second).
Flash
movie - enhanced images of the glow (size 320 kB)
Flash movie - enhanced images of the glow, superimposed on a background image of
the mountain - only the area around the crater is animated (size 175 kB)
Night of 11/12 June - Mount St Helens was partly shrouded in clouds last
night, but the glow from the lavadome was visible a couple of times between
00:00 and 01:00.
The first animation below shows the full frame processed images of the mountain
which have been enhanced to maximise the brightness of the glow and the second
shows those images superimposed over a daytime image of the crater for
reference. The animation speed is set at 6 fps (equivalent of half an hour in
real time per second).
Flash
movie - enhanced images of the glow (size 368 kB)
Flash movie - enhanced images of the glow, superimposed on a background image of
the mountain - only the area around the crater is animated (size 175 kB)
Night of 10/11 June - The clouds parted a couple of hours before sunset
and the full moon illuminated the mountain. The incandescent glow was confined
to the large "fin" or "spine" at the top of the growing lavadome, and was
relatively consistent throughout the night. There were no major outbursts seen.
It's great to have some good weather back again :-)
The first animation below shows the full frame processed images of the mountain
which have been enhanced to maximise the brightness of the glow and the second
shows those images superimposed over a daytime image of the crater for
reference. The animation speed is set at 6 fps (equivalent of half an hour in
real time per second).
Flash
movie - showing images of the glow (size 448 kB)
Flash movie - enhanced images of the glow, superimposed on a background image of
the mountain - only the area around the crater is animated (size 261 kB)
Night of 02/03 June - The clouds parted during the night sufficiently to provide
a view of the crater for most of the night. There were several rock-falls and
associated outbursts at 23:58, 00:18 and 02:18. The rock-falls originated from
the top of the growing "fin" or "spine" as well as lower down on the older part
of the growing lavadome, as can be seen by combining many of the frames
from last night in
one image.
The first animation below shows the full frame processed images of the mountain
which have been enhanced to maximise the brightness of the glow and the second
shows those images superimposed over a daytime image of the crater for
reference. The animation speed is set at 6 fps (equivalent of half an hour in
real time per second).
Flash
movie - showing images of the glow (size 160 kB)
Flash movie - enhanced images of the glow, superimposed on a background image of
the mountain - only the area around the crater is animated (size 302 kB)
