Worldwide Volcano News and Updates

Intermittent explosions continue. An eruption occurred last evening on 23 Sep, producing an ash plume rising to 14,000 ft (4.2 km) according to VAAC Tokyo.

• More about Zhupanovsky volcano

A powerful explosion occurred at the volcano today (24 Sep) at 12:41 local time, producing an ash plume that rose to 38,000 ft (11 km) altitude. It generated several pyroclastic flows, some of which surpassed the 350 m high western caldera wall. Read all

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PVMBG reported that although Karangetang was often covered in fog during 7-14 September, observers occasionally noted white plumes rising at most 150 m from the main crater and Crater II. Read all

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During 17-18 September the network recorded 142 volcanic earthquakes and 251 rockfall events. Although rain clouds prevented visual observations of the crater, white steam plumes drifting SSW were noted. Read all

• More about Mayon volcano

KVERT reported that an explosive eruption at Zhupanovsky continued during 19-26 September. Ground-based observers noted ash plumes drifting SW to Avachinsky Bay during 23-24 September. Satellite images detected a thermal anomaly during 18 and 23-24 September, as well as ash plumes that rose to altitudes of 3.5-4 km (11,500-13,000 ft) a.s.l. and drifted 80 km SW and NE during 23-24 September. Read all

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IG reported that during 24-30 September visual observations of Tungurahua were sometimes limited due to cloud cover. On 24 September an ash plume rose 1.5 km and drifted NW. Ashfall was reported in Manzano (8 km SW), Choglontus (SW), and Quero (20 km NW). Read all

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According to news articles a pyroclastic flow at Sinabung traveled 2 km SE down the flanks at 1343 on 24 September. The height of a corresponding ash plume could not be determined because it rose into the cloud cover. About 4,700 people remained in evacuation shelters. Read all

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AVO reported that, although cloud cover sometimes obscured views of Shishaldin during 24-30 September, seismicity indicated that a low-level eruption was possibly continuing. Elevated surface temperatures at the summit were periodically detected in satellite images. The Aviation Color Code remained at Orange and the Volcano Alert Level remained at Watch. Read all

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INSIVUMEH reported that on 24 September heavy rainfall triggered a hot lahar that descended the Cabello de Ángel River, a tributary of the Nimá I river drainage on the S flank of Santa María's Santiaguito lava-dome complex. The lahar carried tree trunks and branches, had a strong sulfur odor, and was 18 m wide and 2 m deep. During 27-28 and 29-30 September lava flows traveled down the S flank and steam plumes rose 400-500 m and drifted 600-800 m SW. Read all

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IGP and INGEMMET reported that during 24-30 September seismicity at Sabancaya remained elevated; long-period, volcano-tectonic, and hybrid earthquakes were detected. White gas emissions rose as high as 1 km above the crater and drifted SE. The plumes were grayish from ash on 26 and 29 September. Read all

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