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Subsidence of the Bardarbunga caldera and earthquakes since 12 Sep (IMO)
) Eruptive activity at the Holuhraun fissure remains stable. The lava flows continue to expand towards the north and particularly to the east, now over a snow-covered landscape as winter conditions set in.
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Subsidence of the Bardarbunga caldera and earthquakes since 12 Sep (IMO)
Eruptive activity at the Holuhraun fissure remains stable. The lava flows continue to expand towards the north and particularly to the east, now over a snow-covered landscape as winter conditions set in.
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In a screen grab from a YouTube video, hikers flee from Ontake on Saturday, Sept. 27, 2014, in Japan.
) Yesterday's eruption might have caused more than 30 fatalities, Japanese press reports. Most of them were apparently killed by heart and respiratory failure after inhaling ash when caught in the outer areas of a pyroclastic flow or ash cloud descending the mountain.
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In a screen grab from a YouTube video, hikers flee from Ontake on Saturday, Sept. 27, 2014, in Japan.
Yesterday's eruption might have caused more than 30 fatalities, Japanese press reports. Most of them were apparently killed by heart and respiratory failure after inhaling ash when caught in the outer areas of a pyroclastic flow or ash cloud descending the mountain.
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Pyroclastic flow during Ontake volcano's eruption today (Asahi.com)
: A large explosive eruption occurred at Japan's second highest volcano today at 11:53 local time. An explosion produced an ash plume that rose approx. 4 km and a large pyroclastic flow that swept down the southwestern flank.
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Pyroclastic flow during Ontake volcano's eruption today (Asahi.com)
A large explosive eruption occurred at Japan's second highest volcano today at 11:56 local time. An explosion produced an ash plume that rose approx. 4 km and a large pyroclastic flow that swept down the southwestern flank.
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Strombolian eruption today from Stromboli's NW vent (INGV Catania)
) Strombolian explosions have returned to the summit vents, although so far, these have been rare and small. At the same time, the effusive eruption with lava flow emission from the vent at 650 m a.s.l. at the northern base of the crater terrace complex continues with little changes.
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Strombolian eruption today from Stromboli's NW vent (INGV Catania)
Strombolian explosions have returned to the summit vents, although so far, these have been rare and small. At the same time, the effusive eruption with lava flow emission from the vent at 650 m a.s.l. at the northern base of the crater terrace complex continues with little changes.
Thu, 25 Sep 2014, 21:00
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Webcam view of the eruption this evening (Mila webcam)
: No significant changes have occurred at the ongoing eruption in Holuhraun and the seismic crisis. The eruption itself continues with steady, very large lava output and is on its way to become the largest event in the past 150 years on Iceland.
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Thu, 25 Sep 2014, 20:52Activity at the volcano remains at moderate to high levels, consisting of strombolian and small vulcanian explosions. During the past week, ash plumes have been rising 2-3 km above the volcano.+
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Thu, 25 Sep 2014, 20:49
The volcano continues to slowly extrude lava feeding the large lava lobe on the southeastern flank. Occasional rockfalls and small pyroclastic flows have been observed in the past weeks.
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Thu, 25 Sep 2014, 20:46AVO reported that, although cloud cover sometimes obscured views of Shishaldin during 17-22 September, seismicity indicated that a low-level eruption was possibly continuing.
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Thu, 25 Sep 2014, 20:25
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Webcam view of the eruption this evening (Mila webcam)
No significant changes have occurred at the ongoing eruption in Holuhraun and the seismic crisis. The eruption itself continues with steady, very large lava output and is on its way to become the largest event in the past 150 years on Iceland.
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Thu, 25 Sep 2014, 04:26
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NASA satellite image of the flow area provided by USGS-HVO, showing "hot" areas widening the lava flow field on September 22, 2014.
In the past few days, the front of the lava flow heading towards Pahoa has stalled its forward progress. There is still lava activity at a decreased level, but this is only widening the lava field instead of advancing further.
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Wed, 24 Sep 2014, 22:01
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Eruption plume from Shiveluch's explosion on 24 Sep (photo: Y. Demyanchuk/Volkstat.ru)
: A powerful explosion occurred at the volcano today (24 Sep) at 12:41 local time, producing an ash plume that rose to 38,000 ft (11 km) altitude. It generated several pyroclastic flows, some of which surpassed the 350 m high western caldera wall.
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Wed, 24 Sep 2014, 22:00A pilot reported a volcanic ash plume today, but seismic activity has been low and webcam images showed only a steam / gas plume mixed with weather clouds that could have been mistaken for an ash plume (Buenos Aires VAAC).
Wed, 24 Sep 2014, 21:58
After a phase of probably lower activity during the past weeks, strombolian activity picked up again and sometimes produces ash plumes that rise to 2-3 km.
Wed, 24 Sep 2014, 21:53The volcano is still in eruption. A volcanic ash plume was observed by VAAC Darwin on 20 Sep extending 50 km to the west.
Wed, 24 Sep 2014, 21:47
Intermittent explosions continue. An eruption occurred last evening on 23 Sep, producing an ash plume rising to 14,000 ft (4.2 km) according to VAAC Tokyo.
Wed, 24 Sep 2014, 21:39
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Eruption plume from Shiveluch's explosion on 24 Sep (photo: Y. Demyanchuk/Volkstat.ru)
A powerful explosion occurred at the volcano today (24 Sep) at 12:41 local time, producing an ash plume that rose to 38,000 ft (11 km) altitude. It generated several pyroclastic flows, some of which surpassed the 350 m high western caldera wall.
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Wed, 24 Sep 2014, 11:05
PVMBG reported that although Karangetang was often covered in fog during 7-14 September, observers occasionally noted white plumes rising at most 150 m from the main crater and Crater II.
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Wed, 24 Sep 2014, 11:05During 17-18 September the network recorded 142 volcanic earthquakes and 251 rockfall events. Although rain clouds prevented visual observations of the crater, white steam plumes drifting SSW were noted.
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Wed, 24 Sep 2014, 06:00
KVERT reported that an explosive eruption at Zhupanovsky continued during 19-26 September. Ground-based observers noted ash plumes drifting SW to Avachinsky Bay during 23-24 September. Satellite images detected a thermal anomaly during 18 and 23-24 September, as well as ash plumes that rose to altitudes of 3.5-4 km (11,500-13,000 ft) a.s.l. and drifted 80 km SW and NE during 23-24 September.
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Wed, 24 Sep 2014, 06:00IG reported that during 24-30 September visual observations of Tungurahua were sometimes limited due to cloud cover. On 24 September an ash plume rose 1.5 km and drifted NW. Ashfall was reported in Manzano (8 km SW), Choglontus (SW), and Quero (20 km NW).
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Wed, 24 Sep 2014, 06:00
According to news articles a pyroclastic flow at Sinabung traveled 2 km SE down the flanks at 1343 on 24 September. The height of a corresponding ash plume could not be determined because it rose into the cloud cover. About 4,700 people remained in evacuation shelters.
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Wed, 24 Sep 2014, 06:00AVO reported that, although cloud cover sometimes obscured views of Shishaldin during 24-30 September, seismicity indicated that a low-level eruption was possibly continuing. Elevated surface temperatures at the summit were periodically detected in satellite images. The Aviation Color Code remained at Orange and the Volcano Alert Level remained at Watch.
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Wed, 24 Sep 2014, 06:00
INSIVUMEH reported that on 24 September heavy rainfall triggered a hot lahar that descended the Cabello de Ángel River, a tributary of the Nimá I river drainage on the S flank of Santa María's Santiaguito lava-dome complex. The lahar carried tree trunks and branches, had a strong sulfur odor, and was 18 m wide and 2 m deep. During 27-28 and 29-30 September lava flows traveled down the S flank and steam plumes rose 400-500 m and drifted 600-800 m SW.
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Wed, 24 Sep 2014, 06:00IGP and INGEMMET reported that during 24-30 September seismicity at Sabancaya remained elevated; long-period, volcano-tectonic, and hybrid earthquakes were detected. White gas emissions rose as high as 1 km above the crater and drifted SE. The plumes were grayish from ash on 26 and 29 September.
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