Worldwide Volcano News and Updates

Based on satellite images, wind data, webcam images, and notices from the Mexico City MWO, the Washington VAAC reported that during 30 December-3 January and 5 January ash plumes from Colima rose to altitudes of 4.6-6.7 km (15,000-22,000 ft) a.s.l. and drifted NW, N, NE, and E. Read all

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Based on satellite and webcam views, the Buenos Aires VAAC reported that on 30 December diffuse gas and steam plumes possibly containing ash drifted SSE. The next day ash emissions drifted SW. Read all

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Based on analyses of satellite imagery and wind data, the Darwin VAAC reported that during 30 December-5 January ash plumes from Dukono rose to altitudes of 2.1-3.7 km (7,000-12,000 ft) a.s.l. and drifted 55-170 km in multiple directions. Read all

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In a special report, INSIVUMEH reported a significant increase in activity at Fuego on 30 December. A series of pyroclastic flows descended the Las Lajas and El Jute drainages on the SE flank, and a dense ash plume rose 5 km and drifted 20 km W. Ashfall was reported in multiple communities on the flanks, including Panimache I and II (8 km SW), Morelia (9 km SW), and Santa Sofía (12 km SW). Read all

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KVERT reported that moderate explosive activity at Karymsky continued during 25 December-1 January. Satellite images detected an ash cloud, 56 km long and 6 km wide, drifting 145 km ENE on 25 December, and a thermal anomaly during 25, 27-28, and 31 December. The Aviation Color Code remained at Orange. 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 30 December-5 January. The lava lake continued to circulate and spatter in the Overlook vent. On 2 January part of the E rim of the Overlook vent collapsed into the lava lake, triggering an explosion that ejected tephra onto the rim of the vent. Read all

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INETER reported that during 29-30 December no explosions at Momotombo were detected, though Real-time Seismic-Amplitude Measurements (RSAM) continued to be at moderate-to-high levels. Based on INETER and SINAPRED reports, three gas-and-ash explosions on 2 January, at 1333, 1426, and 1434, excavated the remaining parts of the lava dome which was emplaced about a month ago. An ash plume rose 500 m above the crater, drifted S and SW, and caused ashfall in Puerto Momotombo (9 km WSW). Read all

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CENAPRED reported that during 29 December-5 January the seismic network at Popocatépetl recorded 4-92 daily emissions; 191 were detected on 3 January. As many as 11 explosions were detected daily and variable nighttime crater incandescence was observed. Explosions on 2 January ejected tephra onto the N flank, and a small steam, gas, and ash plume drifted E on 4 January. Read all

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KVERT reported that during 25 December-1 January lava-dome extrusion onto Sheveluch's N flank was accompanied by fumarolic activity, dome incandescence, ash explosions, and hot avalanches. A collapse from the W flank of the lava dome produced a hot avalanche, and an ash plume that rose 5.5 km (18,000 ft) a.s.l. and drifted 50 km SE. Read all

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PVMBG reported that during 21-28 December inclement weather sometimes prevented visual observations of Sinabung and the growing lava dome in the summit crater. As many as 21 hot avalanches and pyroclastic flows traveled .7-1.5 km ESE, producing ash plumes that rose 1 km. Ash plumes from explosions rose as high as 3 km and drifted E and SW. Read all

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