SI/USGS Weekly Volcano Activity Report for 7/1-7/2009

All the volcano news that is fit to print, all thanks to the USGS/Smithsonian GVP!

Highlights (not include Manda Hararo, Kilauea and Mayon) include

  • San Miguel in El Salvador has been experiencing increased seismicity. The last time the volcano erupted was in 2002.
  • A pilot spotted a ~10,000 foot / 3 km ash plume emanating from Anak Krakatau in Indonesia.
  • Another ash plume, this time at Ubinas, Peru, was spotted by pilots rising to ~6.7-9.1 km / 20-30,000 feet.
  • Explosions were heard from Suwanose-jima in Japan, but no associated ash plumes were spotted.
  • It sounds like a lava dome has been spotted at Sarychev Peak in the Kuril Islands of Russia. An "intense thermal anomaly" was noted at the summit in satellite images and gas/steam plumes have been seen each day. However, no new ash plumes have been noticed since June 16.

More like this

Your weekly dose of volcanism from the USGS/Smithsonian Global Volcanism Program. Highlights (not counting Mayon), include: The activity at Mando Hararo in Ethiopia appears to be a fissure eruption. Ground observations saw a 4-5 kilometers / ~2.5-3 mile fissure with new predominantly 'a'a lava…
Sally Sennert from the Smithsonian Institution sent me an email to say that this week's USGS/Smithsonian Institute Weekly Volcanic Report will be delayed due to the inclement weather in the Washington DC area. She can't connect with the server, so the report can't be updated on the Smithsonian…
Your weekly dose of volcano news brought you by the Smithsonian Institute GVP and the USGS. This week's highlights (not counting Sarychev Peak and Turrialba) include: 13,000 foot / 4 km ash plumes from Rinjani in Indonesia. This is part of the continuing eruption there. The alert level was lowered…
The latest news from the USGS/Smithsonian Global Volcanism Program Weekly Volcano Report ... Highlights (not including Mayon) include: Strombolian eruptions and small pyroclastic falls at Arenal in Costa Rica. 3 km / 10 000 foot ash plume from Bagana on Bougainville Island in Papua New Guinea.…

A couple of days ago an ash cloud from Sarychev reached Finland, about 8000 km away in west. It was flying high in the stratosphere. The weather camera of Tampere amateur astronomers recorded it:…

The camera points north. And yes, at this time of the year the Sun really sets almost due north. And pops up again pretty soon. Latitude is about 61.5N.

By Lassi Hippeläinen (not verified) on 09 Jul 2009 #permalink

AVO responded to an emailed inquiry on the persistent strong SO2 signals observed for several weeks over the Aleutians - enough to make me wonder if there was a local source of emissions. They confirmed the source as Sarychev.

That be recorder LKWY located on the north end of Yellowstone Lake

Cool time lapse thank you for sharing

By theroachman (not verified) on 09 Jul 2009 #permalink