KVERT reported that seismic activity at Shiveluch was above background levels during 25 December-2 January. Based on interpretations of seismic data, ash plumes rose to an altitude of 7 km (23,000 ft) a.s.l. on 25 and 26 December, and to an altitude of 5.5 km (18,000 ft) a.s.l. on the other days during the reporting period.
Based on analysis of satellite imagery, the Washington VAAC reported that two small ash plumes from Santa María's Santiaguito lava dome complex drifted ESE on 1 January. During 4-5 January, gas and steam plumes possibly containing some ash drifted SW and WSW. INSIVUMEH reported that on 5 and 6 January fumarolic plumes drifted 100 m above the crater.
Based on a pilot observation, the Washington VAAC reported that on 5 January an ash plume from Sangay rose to an altitude of 7 km (23,000 ft) a.s.l. and drifted S. Ash was not identified on satellite imagery.
Based on analysis of satellite imagery and pilot observations, the Darwin VAAC reported that on 31 December, 1 January, and 3-5 January, ash plumes from Rabaul caldera's Tavurvur cone rose to an altitude 2.4 km (8,000 ft) a.s.l. and drifted W, NW, NNW, and SE.
KVERT reported that seismic activity at Kliuchevskoi was above background levels 26 December-2 January. Strombolian activity was noted on 25 and 27 December, and lava effusion on the NW flank continued. On 25 December gas-and-steam plumes containing ash rose to an altitude of 5.5 km (18,000 ft) a.s.l.
HVO reported that during 31 December-6 January lava flowed SE through a tube system from underneath Kilauea's Thanksgiving Eve Breakout (TEB) and rootless shield complex, reaching the Waikupanaha ocean entry. Surface flows were noted on the coastal plain and incandescence was seen at the base of the pali. Explosions at the ocean entry were seen on 31 December and 5 January.
KVERT reported during 26 December-2 January seismic activity from Karymsky was not evaluated due to technical issues. Clouds prevented satellite observations of the volcano. The Level of Concern Color Code remained at Orange.
Based on analysis of satellite imagery, the Washington VAAC reported that on 1 January two ash plumes from Fuego drifted N. INSIVUMEH reported that during 4-6 January multiple explosions produced ash plumes that rose to altitudes of 4.1-5.1 km (13,500-16,700 ft) a.s.l. and drifted 12 km W and SW.
Wed, 31 Dec 2008, 06:00
Based on analysis of satellite imagery, the Darwin VAAC reported that on 6 January an ash plume from Dukono rose to an altitude of 1.8 km (6,000 ft) a.s.l. and drifted E.
Read allWed, 31 Dec 2008, 06:00
On 2 January, incandescent material from Colima was propelled 100 m above the summit and a gray plume rose to an altitude of 4.1 km (13,500 ft) a.s.l. During 3-5 January, gray and white plumes rose to altitudes of 4-4.2 km (13,100-13,800 ft) a.s.l. The plumes drifted N, NE, E, and SE.
Read allWed, 31 Dec 2008, 06:00
Based on analysis of satellite imagery, pilot observations, and web camera views, the Buenos Aires VAAC reported that during 31 December-2 January and 4-5 January ash plumes from Chaitén continuously rose to altitudes 1.8-2.4 km (6,000-8,000 ft) a.s.l. and drifted NW, N, NNE, and SE. Ash plumes were visible through the web camera on 3 January.
Read allWed, 31 Dec 2008, 06:00
Based on analysis of satellite imagery, the Darwin VAAC reported that on 6 January an ash plume from Batu Tara rose to an altitude of 2.4 km (8,000 ft) a.s.l. and drifted ENE.
Read allWed, 31 Dec 2008, 06:00
Based on analysis of satellite imagery, the Darwin VAAC reported that during 4-6 January ash plumes from Barren Island rose to an altitude of 2.4 km (8,000 ft) a.s.l. and drifted SW and NW.
Read allWed, 31 Dec 2008, 06:00
Based on analysis of satellite imagery, the Darwin VAAC reported that on 31 December an ash plume from Bagana rose to an altitude of 2.4 km (8,000 ft) a.s.l.
Read allWed, 31 Dec 2008, 06:00
The IG reported that during 31 December-6 January ash plumes from Tungurahua rose to altitudes of 6-7 km (19,700-23,000 ft) a.s.l. and drifted SW, W, and NW. Ashfall was reported in areas downwind during 31 December-3 January; ashfall was heavy in Choglontus (W) on 2 January.
Read allWed, 31 Dec 2008, 06:00
MVO reported that during 26 December-2 January activity from Soufrière Hills lava dome was characterized by significantly increased lava extrusion, ash emissions, and pyroclastic flows. Lava extrusion on the top, N, W, and SW sides of the dome continued, and incandescence on the dome was visible at night when weather was favorable. Pyroclastic flows regularly reached the bottom of Tyers Ghaut (NW); surges associated with the larger flows spilled into the next valley to the W.
Read allWed, 31 Dec 2008, 06:00
AVO reported that significant thermal anomalies over Shishaldin's summit were detected in satellite imagery during 5-6 January. Seismic activity had also increased slightly. AVO raised the Aviation Color Code to Yellow and the Volcano Alert Level to Advisory.
Read allWed, 31 Dec 2008, 06:00
KVERT reported that during 26 December-7 January seismic activity at Koryaksky was at background levels. Observers reported that during 30-31 December gas-and-steam plumes possibly containing a small amount of ash drifted along the surface of the NW flank. During 6-7 January gas-and-steam plumes drifted SW.
Read allWed, 31 Dec 2008, 06:00
CVGHM reported that on 1 January, a phreatic eruption from Dempo resulted in a strong sulfur odor and "ash rain" that was noted as far as about 10 km from the summit. Fog prevented direct observations of the summit. The Alert Level was raised to 2 (on a scale from 1-4).
Read allWed, 31 Dec 2008, 06:00
AVO reported that cloud cover prevented satellite observations of Cleveland during 31 December, and 1, 3, and 5 January. The brief explosive emission of ash was detected on 2 January. A resultant ash plume rose to an altitude of 6 km (20,000 ft) a.s.l. and drifted about 240 km ESE.
Read allThu, 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.
Read allWed, 24 Dec 2008, 06:00
Based on information from JMA, the Tokyo VAAC reported explosions from Suwanose-jima during 26-28 and 30 December. Plumes rose to altitudes of 1.5-1.8 km (5,000-6,000 ft) a.s.l. during 27-28 December.
Read allWed, 24 Dec 2008, 06:00
KVERT reported that seismic activity at Shiveluch was above background levels during 19-26 December. Based on interpretations of seismic data, ash plumes rose to an altitude of 8.5 km (27,800 ft) a.s.l. on 19 and 20 December and to an altitude of 5 km (16,400 ft) a.s.l. during 21-26 December.
Read allWed, 24 Dec 2008, 06:00
Based on analysis of satellite imagery, the Washington VAAC reported that a small ash plume from Santa María's Santiaguito lava dome complex drifted NW on 23 December. The next day a plume drifted W, and on 25 December a puff of ash drifted WNW.
Read allWed, 24 Dec 2008, 06:00
RVO reported that during 20-26 December gray ash plumes from Rabaul caldera's Tavurvur cone rose to altitudes of 1.7-2.2 km (5,600-7,200 ft) a.s.l. and drifted SE and W. Ashfall was reported in areas downwind, including Kokopo Town (SE).
Read allWed, 24 Dec 2008, 06:00
KVERT reported that seismic activity at Kliuchevskoi was above background levels during 19-26 December. Gas-and-steam plumes containing ash rose to an altitude of 7 km (23,000 ft) a.s.l. during 20-24 December.
Read allWed, 24 Dec 2008, 06:00
HVO reported that during 24-30 December lava flowed SE through a tube system from underneath Kilauea's Thanksgiving Eve Breakout (TEB) and rootless shield complex, reaching the Waikupanaha ocean entry. Thermal anomalies were detected on satellite imagery at the base of the pali and on the coastal plain. Explosions at the ocean entry were noted on 26 and 29 December.
Read allWed, 24 Dec 2008, 06:00
KVERT reported that on 18 and 20 December seismic activity at Karymsky was at background levels; possible explosions may have generated ash-and-gas plumes to an altitude of 3 km (9,800 ft) a.s.l. on 18 December. Analysis of satellite imagery revealed a thermal anomaly in the crater during 21-26 December and ash plumes that drifted 80 km E during 21-23 December.
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