Monthly Archives: February 2008

Mount St. Helens, Washington, USA

Posted on February 24, 2008 by Robert Peckyno

Data from deformation-monitoring instruments indicated that during13-19 February lava-dome growth at Mount St. Helens continued. Seismicity persisted at low levels, punctuated by M 1.5-2.5, and occasionally larger, earthquakes. Clouds and snow cover frequently inhibited visual observations. Source: Cascades Volcano Observatory … Continue reading →

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Soufriére Hills, Montserrat, West Indies

Posted on February 24, 2008 by Robert Peckyno

MVO reported that that during 13-19 February the lava dome at Soufrière Hills changed very little, based on visual observations. Seismic activity was very low and low-level rockfall activity continued. Fumarolic activity on the N and E flanks continued. Active … Continue reading →

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Shiveluch, Russia

Posted on February 24, 2008 by Robert Peckyno

KVERT reported that seismic activity at Shiveluch was slightly above background levels during 8-11 February and at background levels on 12 and 13 February. Based on seismic interpretation, ash plumes possibly rose to an altitude of 3.3 km (10,800 ft) … Continue reading →

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Santa María, Guatemala

Posted on February 24, 2008 by Robert Peckyno

INSIVUMEH reported on 6 February that avalanches from lava flows on the W flank of Santa María’s Santiaguito lava dome complex continued. Explosions produced ash-and-steam plumes that rose to an altitude of 3.9 km (12,800 ft) a.s.l. On 8 February, … Continue reading →

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Rabaul, Papua New Guinea

Posted on February 24, 2008 by Robert Peckyno

RVO reported that ash plumes from Rabaul caldera’s Tavurvur cone rose to an altitude of 2.2 km (7,200 ft) a.s.l. and drifted NW, N, E, SE, and S during 12-15 and 17-20 February. Ashfall was reported in Barovon, Lalakua, Raluana, … Continue reading →

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Popocatépetl, Mexico

Posted on February 24, 2008 by Robert Peckyno

CENAPRED reported that emissions of steam and gas from Popocatépetl were visible during 12-19 February. The plumes occasionally contained slight amounts of ash. An explosion on 12 February resulted in an ash plume that rose to an altitude of 7 … Continue reading →

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Pacaya, Guatemala

Posted on February 24, 2008 by Robert Peckyno

INSIVUMEH reported that during 6-19 February white and blue fumarolic plumes from Pacaya’s MacKenney cone rose to altitudes of 2.6-2.7 km (8,500-8,900 ft) a.s.l. and drifted S, SW, and W. About two to five lava flows per day traveled about … Continue reading →

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Ol Doinyo Lengai, Tanzania

Posted on February 24, 2008 by Robert Peckyno

The Toulouse VAAC reported that an ash plume from Ol Doinyo Lengai was observed by pilots on 15 February and rose to an altitude of 11.6 km (38,000 ft) a.s.l. Source: Toulouse Volcanic Ash Advisory Center (VAAC) – “Report provided … Continue reading →

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Nevado Del Huila, Colombia

Posted on February 24, 2008 by Robert Peckyno

INGEOMINAS reported that sulfur dioxide plumes from Nevado del Huila drifted NW on 8 and 12 February. Source: Instituto Colombiano de Geología y Minería (INGEOMINAS) – “Reports provided courtesy of the Smithsonian’s Global Volcanism Program and the US Geological Survey’s … Continue reading →

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Kilauea, Hawaii, USA

Posted on February 24, 2008 by Robert Peckyno

Based on observations during overflights, and web camera views when weather permitted, HVO reported that during 13-19 February activity from Kilauea’s fissure segment D was concentrated at the Thanksgiving Eve Breakout (TEB) shield and new satellitic shields to the E … Continue reading →

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