Worldwide Volcano News and Updates

A team of French scientists who visited the summit of Erta Ale on 4, and 13-14 January noted significant changes in morphology and activity at the volcano in comparison to several months previous. As has been the case for decades, a lava lake was present in the W part of the S pit crater. It was 120 x 80 m in size and its surface was ~100 m below the crater rim. Read all

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The elevated seismicity that began in mid-December 2002 at Veniaminof continued during 10-17 January. As during the previous week, periods of nearly constant seismicity were recorded during the report week. Discrete seismic events occurred at rates up to 1-2 events per minute, along with moderate levels of volcanic tremor. Read all

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INSIVUMEH reported that as of 19 January moderate eruptions continued at Fuego that produced ash clouds to 2 km above the summit. Ash drifted to the S and SW, depositing fine ash in the areas of Rocela, Panimache, and Palo Verde. In addition, incandescent avalanches traveled down canyons on the volcano's flanks. Read all

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Volcanic activity remained at relatively low levels at Tungurahua during 15-21 January, with emissions of steam, gas, and ash producing low-level plumes. Read all

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The level of activity at Soufrière Hills fluctuated during 10-17 January, but generally declined from high to moderate levels. The active extrusive lobe on the lava dome's N side continued to grow, producing pyroclastic flows and rockfalls during the first days of the report period down White's Ghaut and the Tar River Valley, and to a lesser extent to Tuitt's Ghaut and the top of Tyre's Ghaut and Farrell's Plain. During 15-17 January almost all pyroclastic flows occurred in the Tar River Valley, with only minor rockfalls traveling down the dome's NE and N sides. Read all

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During 10-17 January, seismicity remained above background levels at Shiveluch. Seismic data indicated that 12 ash-and-gas explosions reached heights of 2 km above the lava dome, and hot avalanches possibly occurred. Gas-and-steam plumes rose to 800 m above the lava dome and drifted E and NW during 10-12 January. Read all

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Eruptions of Rabaul caldera's Tavurvur cone continued during 17-19 January, with activity from three different vents. Discrete convoluted ash plumes rose several hundred to a thousand meters above the volcano's summit. Plumes drifted N and NW, depositing small amounts of ash in Rabaul Town, and the villages of Malaguna, Matupit, Nonga, Tavai, Korere, and Rabura. Read all

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Volcanic activity continued at low-to-moderate levels at Popocatépetl during 15-20 January. Activity consisted of small-to-moderate emissions of steam, gas, and small amounts of ash, and sporadic episodes of low-amplitude harmonic tremor. On 9 January photographs of the lava dome revealed that the dome's inner crater had subsided. Read all

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Seismicity was slightly above background levels during 10-17 January at Kliuchevskoi, with 12-28 earthquakes occurring each day during 10-12 January and 33-35 earthquakes during 13-15 January. Intermittent spasmodic volcanic tremor was registered during the report week, and gas-and-steam plumes rose to 300 m above the crater. The Concern Color Code remained at Yellow. Read all

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During 15-20 January at Kilauea, lava continued to flow into the sea at the West Highcastle entry. Most of the surface lava flows on the coastal flat crusted over, so that less incandescence was visible than the previous week. At Kilauea seismicity generally remained at background levels. Read all

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