Worldwide Volcano News and Updates

IG reported high seismic activity at Tungurahua during 25 November-1 December, although the number of earthquakes decreased. During periods of clear weather on most days observers noted gas-and-steam plumes rising as high as 1.5 km and drifting mainly W. Read all

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Based on information from PVMBG, the Darwin VAAC reported that on 26 November ash plumes from Sinabung rose to an altitude of 4.3 km (14,000 ft) a.s.l. and drifted SW. On 1 December an ash plume rose to an altitude of 3.4 km (11,000 ft) a.s.l. Read all

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KVERT reported that during 20-27 November lava-dome extrusion onto Sheveluch's N flank was accompanied by fumarolic activity, dome incandescence, ash explosions, and hot avalanches. Satellite images detected a daily thermal anomaly over the dome and SE-drifting ash plumes during 22 and 25-26 November. The Aviation Color Code remained at Orange. Read all

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Based on satellite and ground observations, the Darwin VAAC reported that during 24-30 November ash plumes from Rinjani rose to altitudes of 3.7-4.3 km (12,000-14,000 ft) a.s.l. and drifted as far as 320 km SW and W. Read all

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HVO reported that seismicity beneath Kilauea's summit, upper East Rift Zone, and Southwest Rift Zone was at background levels during 25 November-1 December. The lava lake continued to circulate and spatter in the Overlook vent. Webcams recorded multiple incandescent outgassing vents within Pu'u 'O'o; lava flowed from two of the vents on 25 November. Read all

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KVERT reported that moderate explosive activity at Karymsky continued during 20-27 November. Satellite images detected a thermal anomaly on 20 November. According to pilot reports, an explosion at 1555 on 30 November generated an ash plume that rose to an altitude of 7.5 km (24,600 ft) a.s.l. and drifted 80 km ESE. Read all

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Based on analyses of satellite imagery and wind data, the Darwin VAAC reported that during 25 November-1 December ash plumes from Dukono rose to altitudes of 2.1-2.4 km (7,000-8,000 ft) a.s.l. and drifted 35-165 km in multiple directions. Read all

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IG reported that during 25 November-1 December seismic activity at Cotopaxi was characterized by volcano-tectonic, hybrid, and long-period events. Seismic signals indicating emissions and explosions were also detected. Although cloud cover often prevented observations, gas-and-steam emissions were visible daily. Read all

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SERNAGEOMIN reported that during 16-30 November continuous ash emissions from explosions at Copahue's El Agrio crater were recorded by the webcam; plumes rose as high as 1.3 km above the crater on 29 November. Satellite images detected ash plumes drifting as far as 560 km SE and ESE. During an overflight on 28 November scientists observed the absence of the acidic lake and a growing pyroclastic cone. Read all

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Based on satellite images, wind data, webcam images, and notices from the Mexico City MWO, the Washington VAAC reported that during 24 November-1 December ash plumes from Colima rose to altitudes of 5.2-6.6 km (17,000-22,000 ft) a.s.l. and drifted multiple directions. Read all

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