Worldwide Volcano News and Updates

Observatorio Vulcanológico del Sur del IGP (OVS-IGP) and Observatorio Vulcanológico del INGEMMET (OVI) reported that explosive activity at Sabancaya slightly decreased compared to the previous week; there was an average of 69 explosions recorded per day during 27 November-3 December. Seismicity was dominated by long-period events, with signals indicating emissions. Gas-and-ash plumes rose 3.3 km above the crater rim and drifted 40 km NE and SW. Read all

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During 29 November-5 December HVO reported that the lava lake continued to rise, fall, and spatter in Kilauea's Overlook crater. Webcams recorded incandescence from long-active sources within Pu'u 'O'o Crater and from a small lava pond in a pit on the W side of the crater. Surface lava flows were active above and on the pali, and on the coastal plain. Read all

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Based on satellite data KVERT reported that an eruption at Karymsky began at about 0630 on 4 December and generated an ash cloud that rose to an altitude of km (9,000 ft) a.s.l. An ash cloud 16 x 12 km in dimension was identified in satellite images about three hours later, 92 km E of the volcano. The Aviation Color Code was raised to Orange (the second highest level on a four-color scale). Read all

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INGV reported that, although weather conditions often prevented views of Etna during 27 November-3 December, gas emissions from the summit craters were visible along with ash emissions from a series of explosions from the vent in the saddle between the Southeast Crater (SEC) - New Southeast Crater (NSEC) cone complex. Read all

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Based on observations by volcanologists in Severo-Kurilsk (Paramushir Island), about 7 km E of Ebeko, explosions during 25-26 and 28-30 November generated ash plumes that rose as high as 2 km (6,600 ft) a.s.l. Ashfall was reported in Severo-Kurilsk on 28 November. The Aviation Color Code remained at Orange (the second highest level on a four-color scale). Read all

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Based on analyses of satellite imagery and wind model data, the Darwin VAAC reported that during 29 November-5 December ash plumes from Dukono rose to altitudes of 2.1-2.3 km (7,000-8,000 ft) a.s.l. and drifted E, ESE, and SE. Read all

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AVO reported that during 29 November-5 December no significant activity was visible in cloudy to mostly cloudy satellite images, and no activity was detected by seismic or infrasound sensors. The Aviation Color Code remained at Orange and the Volcano Alert Level remained at Watch. Read all

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JMA reported that an explosion at Minamidake summit crater (at Aira Caldera's Sakurajima volcano) occurred at 1637 on 27 November, and generated an ash plume that rose 2 km above the crater rim. Nighttime crater incandescence was sometimes visible during 27 November-1 December. Very small events occurred at Minamidake Crater on 1 December, and at Showa Crater during 2-3 December. Read all

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Gradually increasing activity at Villarrica since 15 November prompted OVDAS-SERNAGEOMIN to raise the Alert Level to Yellow (the second lowest level on a four-color scale) on 5 December, and warn the public to stay outside of a 1-km radius around the crater. Increased activity was characterized by recorded volcano-tectonic earthquakes, increased thermal anomalies identified in satellite data, and increased lava-lake activity. The infrasound network, photos, and field observations confirmed a higher lake level and explosions that were ejecting material deposited in the crater area. Read all

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On 28 November INSIVUMEH reported that 6-8 Strombolian explosions per hour at Pacaya's Mackenney cone ejected material as high as 25 m above the main cone. A lava flow traveled 30 m down the NW flank of the cone. Read all

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