Time-series of dome and glacier growth at Mount St. Helens (2004-2012)

Time-series of dome and glacier growth at Mount St. Helens (2004-2012)

The video bellow shows time-lapse changes in the lava dome and Crater Glacier from 2004-2012. The images were created from 1:12,000 scale vertical aerial photographs combined with ground control points from campaign GPS and targets. Photogrammetry software was used…

Active volcanoes in the world: January 23 – January 29, 2013

Active volcanoes in the world: January 23 – January 29, 2013

This week, 7 volcanoes were noticed to have new activity, whereas ongoing activity was reported for 13 volcanoes. This report covers active volcanoes in the world recorded from January 23 – January 29, 2013 based on Smithsonian/USGS criteria.New

Lava effusion continues at Plosky Tolbachik, Kamchatka

Lava effusion continues at Plosky Tolbachik, Kamchatka

Russian volcano Plosky Tolbachik in Kamchatka peninsula continues to erupt with strong seismicity as of January 28, 2013. Lava flow is ongoing through southern fissure on Tolbachinsky Dol. Also, satellite images suggest big thermal anomaly i northern portion

Volcanic activity at Reventador peaks

Volcanic activity at Reventador peaks

Ecuadorian volcano Reventador is now erupting at full-scale, reports say. A westward 1.5 km high steam and ash plume is noticable above volcano. Summit is glowing and lava can be seen descending the flanks.Increased seismic activity since January 21 has now become

Active volcanoes in the world: January 16 – January 22, 2013

Active volcanoes in the world: January 16 – January 22, 2013

New unrest has been noticed around 6 volcanoes, ongoing activity was reported for 7 volcanoes. This report covers active volcanoes in the world recorded from January 16 – January 22, 2013 based on Smithsonian/USGS criteria.New activity/unrest: | Copahue,

Increased volcanic activity worldwide in late January 2013

Increased volcanic activity worldwide in late January 2013

Kamchatka's volcanoes continued with ongoing eruptions. KVERT reports that there are currently seven active volcanoes (orange alert) – Kizimen, Karymski, Shiveluch and Plosky Tolbachik at orange level and Bezymianny, Gorely and Klyuchevskoy at yellow level….

PNG’s Tavurvur volcano erupts again after 17 months of quiet time

PNG’s Tavurvur volcano erupts again after 17 months of quiet time

Radio New Zealand is reporting new eruptions of Papua New Guinea’s Tavurvur volcano (Rabaul caldera). The ash and vapour blowing from the volcano affected flights to Tokua Airport. Air Niugini says the flight suspension came into effect on Monday, January 21, 2013

Volcanic activity at Chilean Villarrica resumed after 6 months

Volcanic activity at Chilean Villarrica resumed after 6 months

After six months of sleep, Chilean stratovolcano Villarrica has started a new active phase. Weak explosive activity deep within the summit crater has resumed during last 2 weeks as evident in terrestrial and satellite observations. Observations also indicate that magma

Active volcanoes in the world: January 9 – January 15, 2013

Active volcanoes in the world: January 9 – January 15, 2013

New unrest has been noticed around 5 volcanoes, ongoing activity was reported for 9 volcanoes. This report covers active volcanoes in the world recorded from January 9 – January 15, 2013 based on Smithsonian/USGS criteria.New activity/unrest: | Copahue,