Ibu
eklemetti | August 12, 2009Even the SI/USGS Weekly Volcano Report seems a little light -- welcome to the dog days of summer!
Highlights from this week's report include:
"Thunderous sounds", incandescence and small plumes (hundreds of meters) with more frequent seismicity at Ibu in Indonesia.
A sharp increase in sulfur dioxide output was noted at Mayon in the Philippines on August 4 - from ~700-900 tonnes/day to almost 2,000 tonnes/day.
~3,000 meter/10,000 foot gas-and-ash plume from Bagana in Papua New Guinea - you can see it on this recent NASA Earth Observatory image.
Ash/gas plumes from Sakurajima in Japan rose to ~…
eklemetti | July 22, 2009Your volcano news!
Thanks, as always, to the USGS/SI Global Volcanism Program.
Highlights include:
The alert level at Sakurajima was raised from 2 to 3 by the Japanese Meteorological Agency. This was due to the increasing frequency of explosions at the volcano, some of which produced ash plumes up to 1.8-2.7 km / 6-9,000 feet.
Ash was reported up to 3 km away from Ibu in Indonesia. However, officials in Indonesia lowered the alert from 3 to 2, but tourists are still restricted from going with 2 km of the volcano.
Lots of activity at Shiveluch in Kamchatka. You can see some of the activity in…