Posted by feww on October 13, 2017
Shinmoedake volcano continues to erupt in Kyushu, Japan
The volcano’s latest round of activity began on October 11, after six years of dormancy. The volcano had previously erupted on September 7, 2011.
Shinmoedake on Kirishima mountain [Kirishimayama] on the island of Kyushu, Japan continues to eject plumes of smoke and ash to a height of about 1.7 km above the crater.
Ash fall was confirmed in four nearby cities and towns in Miyazaki prefecture after Thursday’s eruption.
Shinmoedake eruption on Oct 12, 2017 send a plume of whit smoke and ash to a height of about 1.7 km above the crater. Image: JMA/via Kyodo.
Japan Meteorological Agency has raised the eruption warning level from 2 to 3 ( on a scale of 1-5) after detecting inflation, which they have interpreted as increased probability of larger eruptions with pyroclastic flows occurring within the 2-kilomter radius from the crater.
Ongoing Activity at Sakurajima (Aira Caldera)
About two dozen events have been detected at Mt Sakurajima’s Showa Crater starting October 2. At least three of the events were explosive, exhaling plumes to heights of bout 1.6 km above the crater. An explosion ejected pyroclasts as far as 800m on October 5. Alert level remains at 3.
New Volcanic Activity (Global)
New volcanic activity have been reported at two volcanoes in Indonesia and one in Vanuatu:
- Aoba (Ambae Island, Vanuatu) Ash plumes rose to a height of 3.7 km a.s.l. on Oct 10. State of Emergency on the island has been extended for two weeks, through Oct 24. Some 11,000 residents were evacuated last month.
Indonesia
- Mt. Agung (Bali) An increase in seismic activity around the volcano forced the authorities to evacuate about 124,000 people who lived around the volcano. The Indonesian National Board for Disaster Management declared a 12-kilometer exclusion zone around the volcano on September 24 after hundreds of volcanic earthquake rattled the volcano.
- Lewotolo (Lomblen Island) Around 800 people living near the volcano have been evacuated amid new activity. PVMBG has raised the alert level from 1 to 2 (on a scale of 1-4)
Posted in News Alert | Tagged: Aira caldera, Aoba, Japan Volcano, Kirishimayama, pyroclastic flows, Sakurajima, Shinmoedake, state of emergency, volcanic eruption, volcanism | Leave a Comment »
Posted by feww on November 11, 2010
Mt Merapi releases them all: Ash plumes, lahars, pyroclastic flows, sulfur dioxide …
Image shows concentrations of sulfur dioxide release by Mt Merapi volcano between November 4 and 8, 2010. The image was processed from data acquired by the Ozone Monitoring Instrument (OMI) on NASA’s Aura spacecraft. “Sulfur dioxide is measured here in Dobson Units: The greatest concentrations appear in dark red-brown; the lowest in light peach. Typically used to measure ozone, the Dobson Unit is the number of molecules of gas that would be required to create a layer 0.01 millimeters thick at a temperature of 0 degrees Celsius and a pressure of 1 atmosphere (the air pressure at the surface of the Earth).” Source: NASA E-O.
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Posted in aerosols, Merapi Eruption, Mount Merapi volcano, sulfur dioxide, volcanoes | Tagged: Indonesia volcanoes, Merapi Eruption, Mount Pinatubo, pyroclastic flows, singapore sling | Leave a Comment »
Posted by feww on June 8, 2008
Lava from Mount Soputan flows 2 km from crater
Indonesia’s Vulcanology Survey raised alert level for Soputan volcano located on Sulawesi island to level IV, the highest level, after it began ejecting hot lava and clouds of ash. Pyroclastic flows were extending about 2 km from Mount Soputan’s summit, but haven’t reached the foot of the mountain.
The authorities placed a 6-km exclusion zone around the volcano. Climbers are not allowed in the danger zone which also covers camping areas in the eastern part of the mountain about 4 km from the summit. According to a report, 6 volcanic earthquakes struck Mount Soputan on June 6.
People from a district in Minahasa look at columns of ash spewed from Mount Soputan, in Indonesia’s North Sulawesi province June 6, 2008. REUTERS/Stringer. Image may be subject to copyright. See FEWW Fair Use Notice!
“Stronger explosion may happen, which can emit dangerous materials from the crater,” Saut Simatupang, head of Indonesia’s Vulcanology Survey said.
The volcano has been erupting since Friday, spewing ash and debris to a height of about 2 km and covering an 8-km radius area around the crater.
“There is no need to displace the villagers. The frequency of the eruption has decreased since 2 a.m. Saturday,” he said.
Although no casualties have been reported, an eye witness in the village of Molompar in the Tombatu subdistrict in Southeast Minahasa, reported that a number of houses in Lobu, Silian, and Tombatu villages had collapsed as a result of volcanic ash deposits that had accumulated on the roofs.
Mount Soputan, a stratovolcano, is one of Indonesia’s 130 or so active volcanoes, which previously erupted 24–30 October 2007. In a 2004 eruption lava extended its southwest slope, but no fatalities were reported.
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Posted by feww on May 12, 2008
A Shrinking World Series:
Update #1 – Millions of tons of volcanic ash continue to rain down on Patagonia
Ten days after the Chilean volcano erupted for the first time in thousands of years, volcanic ash continues to rain down in Patagonia.
An eruption on the morning of May 2, 2008 forced the evacuation of more than 4,000 people from the town of Chaitén nearby (10 kilometers distant from the volcano) and caused the death of an elderly woman. The eruption continued through to May 4. Towns such as Futaleufú were affected and water supplies were contaminated. The town of Chaitén and Futaleufú were completely evacuated on the morning of May 6, 2008, due to a massive new eruption, with pyroclastic flows and possible emerging of lava. (Source)
The scientists have expressed grave concerns about the potential long-term environmental damage and the harm to the health of people and animals in the area.
“It has spoiled lakes, rivers and lagoons, coated plants in a dense layer of gray, and altered the sensitive habitat of animals now struggling to survive. Satellite images show a white stripe smeared across the southern part of South America.” Reuters said.
A bicycle covered in volcanic ash in Futaleufu town, about 1450 km south of Santiago May 11, 2008. Chaiten volcano began erupting May 2, 2008. (Photo: REUTERS/Ivan Alvarado) Image may be subject to copyright. See FEWW Fair Use Notice.
“I am tremendously worried because this is an environmental, social and ecological disaster,” said Alejandro Beletzky, an environmental scientist in Argentina.
“The presence of volcanic ash in the region, which falls constantly, is very risky for humans, plants and animals,” he said near Esquel, about 2,000km southwest of Buenos Aires. (Source)
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Posted in Climate Change, energy, environment, food, health, new zealand, Tourism, Travel | Tagged: active volcano, Add new tag, animal habitat, animals, argentina, Chaiten, chile, Chile volcano, environmental damage, environmental scientist, Esquel, Futaleufú, health risk, lagoons, lava, Patagonia, plants, pyroclastic flows, Reuters, Shrinking World, South America, volcanic ash | 1 Comment »
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