Monthly Archives: December 2007

SI/USGS Google Earth Volcano Layer

Take a trip to your favorite volcano – right from your computer!!!  Smithsonian Global Volcanism Program data for known or inferred Holocene volcanoes are now available as a Google Earth layer, displaying a photo (when available), geographic data, and links … Continue reading

Posted in News

Ubinas, Peru

Based on pilot reports, the Buenos Aires VAAC reported that ash plumes from Ubinas rose to altitudes of 5.5-7 km (18,000-23,000 ft) a.s.l. and drifted NE and SW during 24-25 December. Source: Buenos Aires Volcanic Ash Advisory Center (VAAC) – … Continue reading

Posted in Volcano Activity Reports | Tagged

Tungurahua, Ecuador

IG reported that although visual observations were occasionally limited due to cloud cover, ash-and-steam and ash plumes from Tungurahua were observed and rose to altitudes of 6-8.5 km (19,700-28,000 ft) a.s.l. during 19-25 December. Plumes drifted SE, SW, and WNW. … Continue reading

Posted in Volcano Activity Reports | Tagged

Mount St. Helens, Washington, USA

Data from deformation-monitoring instruments indicated that during 19-25 December 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 occasionally inhibited visual observations. Source: Cascades Volcano Observatory – “Reports … Continue reading

Posted in Volcano Activity Reports | Tagged

Soufriére Hills, Montserrat, West Indies

MVO reported that during 17-24 December 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 of the dome … Continue reading

Posted in Volcano Activity Reports | Tagged

Santa María, Guatemala

Based on observations of satellite imagery, the Washington VAAC reported that an ash plume from Santa María’s Santiaguito lava dome complex rose to an altitude of 5.2 km (17,000 ft) a.s.l. and drifted SW on 21 December. Source: Washington Volcanic … Continue reading

Posted in Volcano Activity Reports | Tagged

Sakura-Jima, Japan

Based on information from JMA, the Tokyo VAAC reported that eruption plumes from Sakura-jima rose to an altitude of 2.7 km (9,000 ft) a.s.l. and drifted S during 23-24 December. Source: Tokyo Volcanic Ash Advisory Center (VAAC) – “Reports provided … Continue reading

Posted in Volcano Activity Reports | Tagged