Seismicity at Mt. Tongariro, New Zealand looks to have decreased a lot yesterday and today. GNS science reported however today that : “Provisional analysis of the gas samples collected at the weekend indicates the presence of volcanic gas. Our historic sampling has
On July 20, 2012, GeoNet raised the Volcano Alert Level at Mt. Tongariro, New Zealand after a series of quakes beneath the volcanic complex. The Aviation Color Code is now at Yellow and Volcanic Alert Code at 1. Small volcanic earthquakes have been recorded beneath…
New unrest has been noticed around 3 volcanoes, ongoing activity was reported for 12 volcanoes. This report covers active volcanoes in the world recorded from July 11 – July 17, 2012 based on Smithsonian/USGS criteria.CUMBALColombia 0.95°N, 77.87°W; summit
Following an increase in its volcanic activity, visits to the crater of Rincón de la Vieja Volcano, in the northwestern province of Guanacaste, Costa Rica, are prohibited until further notice.Volcanologist Raúl Mora, from the National Seismological Network,
The magma column at lava dome had dropped in mid to late May and the dome collapsed. An intense degassing from numerous fumaroles inside and outside of the now large summit crater is observed. Anak Krakatau is at the moment in a phase of repose.At least four areas
New unrest has been noticed around 5 volcanoes, ongoing activity was reported for 10 volcanoes. This report covers active volcanoes in the world recorded from June 27 – July 3, 2012 based on Smithsonian/USGS criteria.FUEGO, Guatemala14.473°N, 90.880°W; summit
Bill Burton discusses the June 6-8, 1912 eruption of Mount Katmai in Alaska which was 30 times larger than the eruption of Mt. St. Helens in 1980. This eruption caused widespread devastation, and inspired heroic efforts at survival by the local people. Burton returns
Active since 2006, Batu Tara continues to puff away. A thin volcanic plume streams northwest from the cloud-shrouded volcano. Based on analyses of satellite imagery, the Darwin VAAC reported that on 19 June ash plumes from Batu Tara rose to an altitude of 2.4 km
New unrest has been noticed around 3 volcanoes, ongoing activity was reported for 9 volcanoes. This report covers active volcanoes in the world recorded from June 20 – June 26, 2012 based on Smithsonian/USGS criteria.FUEGO, Guatemala14.473°N, 90.880°W; summit
Unusually strong earthquake swarm under El Hierro Island continued today on Canary Islands. A record number of quakes, more than 240, were recorded on June 26, 2012 (most of them larger than M2 and 6 larger than M3), all were at about 18-20 km depth. Since tremor set
