Volcano Calendar 2018: We're proud to present our 2018 volcano calendar: 13 different and attractive images of volcanoes, volcanic landscapes and phenomena taken during volcano tours over the past few years.
The Volcano Adventure Guide: Excellent information and background for anyone wishing to visit active volcanoes safely and enjoyably. The book presents guidelines to visiting 42 different volcanoes around the world.
Glow from Villarrica's summit this morning (SERNAGEOMIN webcam)
The volcano has increased its activity during the past two weeks: glow from the summit has reappeared in early August and become more pronounced lately. ...more
This suggests a rise of the magma column in the conduit where a small lava lake is often present (typical for the volcano) and/or spattering or small strombolian activity. Satellite-based measurements of heat output also show an increase recently.
MODIS thermal signal from Villarrica volcano (MIROVA)
Lava laka in Villarrica volcano as seen on 3 April (source: Lago Villarrica / facebook)
A small lava lake is active inside the volcano's summit crater. Vigorous degassing produces violent convection and occasional explosions that eject liquid lava spatter outside the inner pit crater. ...more
OVDAS-SERNAGEOMIN reported no significant changes at Villarrica during 20-26 May. Seismicity had significantly decreased, although the data continued to indicate small explosions and degassing from the lava lake. ...more
Deformation data suggested inflation during 24-26 May. The Alert Level remained at Orange (the second highest level on a four-color scale) and the public was warned to stay outside of a 5-km radius around the crater and away from drainages. [less]
SERNAGEOMIN reported weak strombolian activity during the past days and the presence of a small oscillating lava lake in the summit crater's inner pit. ...more
The explosions were limited to the crater area and ejected material to up to 100 m from the vent. A slight increase in activity was noted yesterday morning by local media. Bright glow is visible at the volcano's summit at night. The Alert Level remained at Orange and (the second highest level on a four-color scale) and a 5 km access restriction zone is in place. A major risk could be lahars caused by sudden melting of snow if more intense activity sets in. [less]
OVDAS-SERNAGEOMIN reported that during 24-25 March gas-and-ash emissions at Villarrica decreased but the magnitude of the continuous seismic tremor slightly increased. Crater incandescence overnight was observed. ...more
By the evening of 25 March Strombolian activity was confined to the crater and a gas plume rose 700 m above the crater rim. Seismicity fluctuated but increase overall. The lava lake had returned and was about 1,000 degrees Celsius. During 26-27 March Strombolian activity ejected tephra out of the crater to distances of about 500 m, and a gas plume rose more than 800 m. During an overflight on 27 March scientists noted that material which measured 1,110 degree Celsius originated from two vents. [less]
Incandescence from strombolian activity at Villarrica last evening
Weak intermittent strombolian activity at the summit crater and occasional small ash emissions continue. ...more
In its latest report from yesterday, SERNAGEOMIN mentioned a decrease in tremor and observed emissions. An exclusion zone of 5 km radius around the crater is in place as the activity can increase abruptly at any time. [less]
Activity has continued to slowly increase overall during the past days, and volcanic alert level was raised to orange by SERNAGEOMIN on 18 March. ...more
Over the past 48 hours, pulsating, periodic emissions of gas and fine ash have occurred accompanied by continuous low to moderate volcanic tremor. According to the Chilean volcanologists monitoring the situation, the volcano is in a state of a semi-open conduit and the current mild activity could rapidly evolve (and with little warning) into another much more violent phase such as the paroxysm on 3 March. [less]
Mild strombolian activity at VIllarrica last night
Activity at the volcano is again increasing, which could again culminate in another paroxysm. Since 14 March, degassing and seismic activity have been observed to rise. Phases of mild strombolian activity appeared again on 16 March. ...more
SERNAGEOMIN described projections of incandescent material to up to 150 m. ONEMI and SERNAGEOMIN maintain alert level yellow (which might be raised in the case the activity further increases). A 3 km exclusion zone is in place around the summit. [less]
Villarrica volcano this morning (SERNAGEOMIN webcam)
After the violent paroxysm during Mon-Tue, the volcano has calmed down again. No explosions could be seen on the webcam, only what might be a short-lived lava flow and/or strombolian activity during the night.
Incandescence from Villarrica during the night (lava flow?)
Activity increased to a paroxysmal eruption this morning, as strombolian explosions merged into sustained tall lava fountains several hundreds of meters tall, feeding lava flows on the upper slopes of the volcano. ...more
The ash plume rose approx. 3 km above the volcano and caused moderate ash fall in nearby areas. Red alert was declared in the municipalities of Villarrica, Pucón and Curarrehue in the La Araucanía region, as well as in Panguipulli in the Los Ríos region. More than 3300 people were evacuated.
A new cone has formed around the vent in Villarrica's summit crater seen during an overflight yesterday (image: metalesrojos valpo @met_valpo / twitter)
Magma has reached the surface of the inner summit crater. Strombolian activity has formed a new small cone containing a small lava lake in its open vent. This followed a strong increase in volcanic tremor to about 20 times background level starting since Thursday. Glow from the volcano's top has become visible at night. ...more
An overflight confirmed the presence of lava inside the deep pit at the summit crater. SERNAGEOMIN raised the alert level of the volcano to yellow. So far, this activity represents a very typical state of the volcano. If it remains like this, it does not pose significant threats to the surroundings unless activity strongly increases, which could result in the generation of lahars (mud flows due to meltwater from the summit) in particular. These could threaten the areas of the towns of Villarrica, Pucón, Curarrehue and Panguipulli. Chile's civil protection ONEMI has issued a pre-alert, still coded as green, as a precaution.
Zoom onto the small lava lake in the cone's crater (image: metalesrojos valpo @met_valpo / twitter)
Night-time glow from Villarrica (SERNAGEOMIN webcam)
Increasing activity at the volcano was reported by the Projecto Observación Visual Volcán Villarrica (POVI), suggesting that deep-seated strombolian activity has resumed in the summit crater. ...more
"Satellite images of Villarrica acquired on 10 and 26 November and 3 December revealed a progressively more intense thermal anomaly. Photographs on 9 December showed particulates suspended above the crater rim, and the next day a thin veneer of ash covered the NW edge of the crater rim. Detonations from the crater were heard during 10-12 December. On 13 December observers noted that the intense blasts of gas from the previous few days had removed some ash deposits from the inner crater wall leaving lighter colored streaks." (Smithsonian / USGS Weekly Volcanic Activity Report 10-16 December 2014) [less]
According to Projecto Observación Visual Volcán Villarrica (POVI), satellite images of Villarrica acquired on 25 July revealed a weak thermal anomaly. On 29 July observers photographed the crater and described a thermal anomaly on the S edge of the crater rim, in the same area from which a lava flow originated on 29 December 1971. They also heard deep degassing sounds. A second photograph showed a diffuse gas plume rising from the bottom of the crater, and ash and lapilli on the snow on the inner crater walls. ...more
(Smithsonian/USGS Weekly Volcanic Activity Report 31 July-6 August 2013) [less]
Terrestrial and satellite observations confirm that for about 2 weeks weak explosive activity deep within the summit crater has resumed and indicates that magma might have begun to rise again within the volcano. ...more
This ends a period of more than six months of remarkable inactivity. It is expected that in the coming weeks or months incandescence will be visible again at the crater during the nights. The activity levels are so low, that without the help of satellites it would not have been possible to detect the increase in heat from the crater. [less]
Incandescence from Villarrica's crater had subsided mid-April 2012 and was undetected by satellite and ground observations at least through 10 November. Images captured by a camera in Pucon (16 km N) on 10 November showed an increase in the plume intensity. Small water vapor plumes, 50 m wide, rose from the depths of the crater.
In its activity report published on 1 May, SERNAGEOMIN reported low levels of seismicity during April 2012 from Villarrica volcano and has it currently at GREEN level. Glow from the summit was visible most of the month.
Current activity of Bardarbunga volcano, Iceland: An intense seismic crisis started at Bárdarbunga volcano on 16 August 2014 and is continuing at the time of writing (23 Aug). It may or may not lead to a volcanic eruption, possibly under the Vatnajökull ice cap.
Follow updates as news come in!
Ethiopia and the Danakil: Ethiopia is a very diverse and beautiful country. Thanks to our numerous expeditions to Erta Ale and Dallol and beyond, we have an extensive collection of images showing the volcano's lava lake, the desert, the colorful hot springs of Dallol, the vast salt lakes, camel caravans and more.
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