Images

Vertical view, Mount St. Helens' crater and dome. North is to the bottom and south to the top.

Aerial view, Mount St. Helens' crater and dome, as seen from the northeast. The new dome is just visible in the steam in the back of the crater.

Aerial view, Mount St. Helens' crater and dome, as seen from the northeast.

Aerial view, Mount St. Helens' crater and dome, as seen from the north-northeast. Ash covering is from event of January 16, 2005.

East side of Mount St. Helens' crater and dome, as seen from the north.

Mount St. Helens' crater and dome, as seen from the northwest. Ash covering is from event of January 16, 2005.

Ash collecting, Plains of Abraham, on the eastern flank of Mount St. Helens.

Aerial view, Mount St. Helens' crater and dome, as seen from the north.

Opus area of the dome, looking towards new dome. Ash covering is from event of January 16, 2005.

The camera is missing, wooden base and fiberglass housing are broken, gas intake tube is disconnected, and there are three holes in the roof, and, although not obvious here, the station is tilted eastward 10-20 degrees (i.e., away from the likely source of the explosion).

Dome within Mount St. Helens' crater, January 2005, aerial view from the northeast.

Mount St. Helens' crater and new dome, from the south.

Mount St. Helens' crater and new dome, from the east.

Crater glacier and lava dome within Mount St. Helens' crater, east side view.

Dome within Mount St. Helens' crater. January 2006

Tilt-leg spider on top of north-face of the new dome. This station houses GPS and an accelerometer.

Monitoring equipment installation on Mount St. Helens' dome. Camera/gas sampling station is to the right underneath helicopter. GPS/accelerometer (seismometer) spider is just visible as a speck on top of new dome.

Mount St. Helens' crater and new dome, from the west. Gash on top of dome is from the night of January 13, 2005.

Tilt-leg spider, a rapid-response instrument made to rest on top of the north-face of the 2005 Mount St. Helens lava dome. Includes GPS and seismometer.

New dome as seen from the remote camera on Sugar Bowl.

Dome within Mount St. Helens' crater viewed from the west. January 2005.