http://www.20min.ch/news/kreuz_und_quer/story/13270753
Der neue Dom wächst nun seit einigen Monaten stetig weiter.
http://vulcan.wr.usgs.gov/Volcanoes/MSH ... ework.html
Aktueller Status:
http://vulcan.wr.usgs.gov/Volcanoes/Cas ... dates.html
Current status is Volcano Advisory (Alert Level 2); aviation color code ORANGE:
Growth of the new lava dome inside the crater of Mount St. Helens continues, accompanied by low rates of seismicity, low emissions of steam and volcanic gases, and minor production of ash. During such eruptions, changes in the level of activity can occur over days to months. The eruption could intensify suddenly or with little warning and produce explosions that cause hazardous conditions within several miles of the crater and farther downwind. Small lahars could suddenly descend the Toutle River if triggered by heavy rain or by interaction of hot rocks with snow and ice. These lahars pose a negligible hazard below the Sediment Retention Structure (SRS) but could pose a hazard along the river channel upstream.
Recent observations:
The volcano’s eruptive behavior remains quiescent and unchanged. Seismicity and other eruption indicators remain at low background levels, and dome growth continues at roughly the same pace as in recent weeks. Lava continues to emerge from the vent at a rate of 1-2 meters per day. A GPS instrument on the new dome west of the vent continues to advance westward. Clear weather is providing good views of the volcano from Johnston Ridge today, and it is forecast to continue through Friday. Field work consisting of site maintenance and observations and routine measurements is planned for today.
Gruss
Bernhard
