Koryaksky volcano (Eastern Kamchatka, Russia) - Smithsonian / USGS Weekly Volcanic Activity Report for 12 August-18 August 2009 (New Activity / Unrest)
KVERT reported that during 10-12 August seismic activity from Koryaksky was above background levels. On 12 August, an ash plume seen on satellite imagery drifted 180 km ESE at an altitude of 3.5 km (11,500 ft) a.s.l. During 15-16 August seismic activity increased, and seismic tremor was detected.
Wed, 12 Aug 2009, 06:0006:00 AM | BY: VN
On 16 August, a gas plume with a small amount of ash was seen on satellite imagery drifting 80 km WNW. During 17-18 August, an ash plume rose to an altitude of 4 km (13,100 ft) a.s.l. Ashfall up to 1 mm thick was reported in areas to the SW.
The Level of Concern Color Code was raised to Orange.
Source: Kamchatkan Volcanic Eruption Response Team (KVERT)
From: Global Volcanism Program, 2009. Report on Koryaksky. In: Mayberry, G (ed.), Weekly Volcanic Activity Report 12 August-18 August 2009. Smithsonian Institution and US Geological Survey.
Wed, 17 Jun 2009, 06:00
Koryaksky volcano (Eastern Kamchatka, Russia) - Smithsonian / USGS Weekly Volcanic Activity Report for 17 June-23 June 2009 (Continuing Activity)
Moderate to strong fumarolic activity at Koryaksky has been reported by KVERT in recent weeks. Satellite data showed a weak thermal anomaly over the volcano 11 and 13 June. The Level of Concern Color Code remained at Yellow. ... Read all
Wed, 22 Apr 2009, 06:00
Koryaksky volcano (Eastern Kamchatka, Russia) - Smithsonian / USGS Weekly Volcanic Activity Report for 22 April-28 April 2009 (Continuing Activity)
During 17-25 April, KVERT reported that seismic activity at Koryaksky was above background levels and weak volcanic tremor was detected. Gas plumes containing a small amount of ash drifted in multiple directions during 17-18 April. On 17 and 18 April, gas-and-ash plumes were also seen on satellite imagery and drifted 100 km NE. ... Read all