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Thu, 25 Dec 2008, 09:39
Koryaksky volcano, one of Kamchatka's most majestic stratovolcanoes, near Petropavlovsk in the SE, began erupting late on 24 December. ...more [read all]
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Fri, 21 Nov 2008, 22:43
During 7-14 November the activity level at the Soufrière Hills lava dome increased slightly, but remained low, and there was no evidence of lava extrusion. Rockfalls were detected by the seismic network.The Hazard Level remained at 3.
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Fri, 21 Nov 2008, 22:36
The seismic activity at Shiveluch was above background levels during 6-14 November. Ash plumes rose to an altitude of 6.8 km and hot avalanches descended the lava dome on 6 November producing ash plumes that rose to an altitude of 4 km. There was a daily thermal anomaly on the lava dome and the Level of Concern Color Code remained at Orange.
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Fri, 21 Nov 2008, 22:33
It was reported that ash puffs from Santa María's Santiaguito lava dome complex drifted SW on 11 and 15 November.
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Fri, 21 Nov 2008, 22:31
It was reported that during 12 and 16-18 November ash plumes from Rabaul caldera's Tavurvur ...more
Fri, 21 Nov 2008, 22:27
Emissions of steam and gas from Popocatépetl were visible during 12-18 November. On 17 November an ash plume rose to an altitude of 6.1 km. A thermal anomaly was detected. Emissions contained slight amounts of ash on 18 November.
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Fri, 21 Nov 2008, 22:24
The seismic activity at Kliuchevskoi was above background levels during 7-13 November. Visual observations showed that during 8 and 10-12 November gas-and-steam plumes that contained a small amount of ash rose to an altitude of 5.1 km. There was a daily thermal anomaly in the crater. The Level of Concern Color Code remained Orange.
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Fri, 21 Nov 2008, 22:12
It was reported that during 12-18 November lava flowed SE through a tube system from underneath Kilauea's Thanksgiving Eve Breakout (TEB). It was reaching the Waikupanaha ocean entry. Incandescence and active surface flows were seen at the base of the pali fault. Several earthquakes were located beneath the south of the caldera and along the S-flank fault. Beneath Halema'uma'u crater earthquakes ranged from 20 to 40, but could not be located. The vent in Halema'uma'u crater continued to produce a white plume and drifted mainly SW depositing small amounts of tephra. Night-time incandescence was seen at the base of a plume. Sounds resembling distant surf and rockfalls were reported in the vicinity of the crater. The sulfur dioxide emission rate was 800-1200 t per day on 14 and 17 November.
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Fri, 21 Nov 2008, 21:50
The seismic activity on Karymsky increased above background levels on 11-12 November. Ash plumes were seen on 10 November on satellite imagery and they were drifting 38 km E and 28 km ENE. During 10-11 November explosions have generated ash plumes to an altitude of 3.8 km . Also during 10-11 November a thermal anomaly in the crater was detected. The Level of Concern Color Code remained at Orange.
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Fri, 21 Nov 2008, 21:42
During 12-17November ash plumes from Chaitén continuously rose to altitudes 1.4-3.7 km and a thermal anomaly was detected on satellite photos on 12 November
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