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On Earth, volcanoes are generally found where tectonic plates are diverging or converging. A mid-oceanic ridge, for example the Mid-Atlantic Ridge, has examples of volcanoes caused by divergent tectonic plates pulling apart; the Pacific Ring of Fire has examples of volcanoes caused by convergent tectonic plates coming together. By contrast, volcanoes are not usually created where two tectonic plates slide past one another. Volcanoes can also form where there is stretching and thinning of the Earth's crust in the interiors of plates, e.g., in the East African Rift, the Wells Gray-Clearwater volcanic field and the Rio Grande Rift in North America. This type of volcanism falls under the umbrella of "Plate hypothesis" volcanism.[1] Volcanism away from plate boundaries has also been explained as mantle plumes. These so-called "hotspots", for example Hawaii, are postulated to arise from upwelling diapirs with magma from the core–mantle boundary, 3,000 km deep in the Earth.
Supervolcanoes Main article: Supervolcano See also: List of largest volcanic eruptions A supervolcano is a large volcano that usually has a large caldera and can potentially produce devastation on an enormous, sometimes continental, scale. Such eruptions would be able to cause severe cooling of global temperatures for many years afterwards because of the huge volumes of sulfur and ash erupted. They are the most dangerous type of volcano. Examples include Yellowstone Caldera in Yellowstone National Park and Valles Caldera in New Mexico (both western United States), Lake Taupo in New Zealand, Lake Toba in Sumatra, Indonesia and Ngorogoro Crater in Tanzania, Krakatoa near Java and Sumatra, Indonesia. Supervolcanoes are hard to identify centuries later, given the enormous areas they cover. Large igneous provinces are also considered supervolcanoes because of the vast amount of basalt lava erupted, but are non-explosive.
Good, who does readings by phone or in person withappointments at her website, can get very specific. She thinks Iceland will be in the news this year (possibly with a big volcano eruption) as will North Korea (which will make a lot of noise but do no damage)
PuterMan
Woopee, we can all stop worrying!
Psychics Predict 2014: A Gentler Year, More 'Perky,' and Maybe a Volcano Eruption
Only ONE volcanic eruption to worry about - the other 60 to 70 have decided they won't bother this year. It is such an effort to erupt and they probably want to direct their energies elsewhere.
BTW if you can't be bothered to find out which one by reading therubbishpost it is :---
Good, who does readings by phone or in person withappointments at her website, can get very specific. She thinks Iceland will be in the news this year (possibly with a big volcano eruption) as will North Korea (which will make a lot of noise but do no damage)
One has to wonder what noise North Korea will be making by being in the news.
The origin of the bright green lightning bolts remained a mystery until atmospheric scientist Arthur Few, of Rice University in Houston, became curious about the phenomenon. "I thought, 'That's funny; why don't we see this in lightning storms?'" said Few at the meeting of the American Geophysical Union (AGU) in San Francisco on Monday.
The Chaparrastique volcano in El Salvador erupted Sunday, shooting gas and ash about 3 miles into the air.
"We have implemented emergency measures to evacuate villages located within 3 kilometers of the volcano," Civil Defense Director Jorge Melendez said.
About 5,000 people live in the area, according to civil protection officials. So far, no one has been reported hurt.
The 7,025-foot volcano is located about 30 miles from the city of San Miguel and about 90 miles east of the capital San Salvador. Its last major eruption occurred in 1976.
Special Report No. 3
Evolution from eruption of volcano Chaparrastique, San Miguel
Date and time of issue: 2013-12-30 8:00:00
The Ministry of Environment and Natural Resources reports on the evolution of the eruption of the volcano Chaparrastique San Miguel, located to the east of the country.
This eruption began at 10:30 am Sunday, consisting of an eruption column of gas and ash, which rose approximately 5 to 10 km, ending the most intense part at 1:00 pm the same day. Later the intense phase of the eruption, the measurement of the internal vibration of the volcano decreased significantly.
During the eruption measuring the internal vibration of the volcano recorded in station Lacayo fluctuated between 521 and 223 units in average time. From 3:00 pm yesterday (December 29) until 7:00 am this day, the internal vibration of the volcano recorded in the seismic station Lacayo fluctuated between 27 and 17 points in their average time.
At the time of issuing this report, the level of vibration of the volcano has been reduced, but the images captured by the webcam located on Cerro El Pacayal show moderate output gases and vapors.
According to the latest forecast ash transport, provided by the National Oceanic and Atmospheric Administration (NOAA English), it is estimated that to this day, the ash cloud would have completely dissipated in the country.
For safety, the surrounding population is advised to take precautionary measures like: autoevacuar not approach the area and meet the guidelines issued by the Directorate General of Civil Protection.
For more information contact:
Communications Management
Phones: (503) 2132 9524, (503) 2132 9525, (503) 2132 6281, (503) 2132 9609, (503) 2132 9610
Fax (503) 2132 9523 , 2132 9429
[email protected]
www.marn.gob.sv www.snet.gob.sv
On Monday afternoon, Mount Sinabung released the first of several lava flows, which continued on Tuesday. Meanwhile, its lava dome suffered dozens of avalanches, according to the National Agency for Disaster Management. The lava reached more than two kilometers (1.2 miles) down the mountain.
Eruptions of ash and gas clouds accompanied the release of lava, while several tremors shook the area, one of which lasted nearly five minutes.
"I think it's almost at the end of its activity," said Surono, ...... "The lava dome began forming in early November, and now it's collapsed many times."
"This morning from 6 a.m. until 8:24 a.m., the volcano erupted six times, the hot cloud travelled a distance of 2.5 kilometers and was 2.5 kilometers high, so this morning was pretty intensive," said Supriyati Andreastuti.
The government's alert status remained at its highest level, after violent eruptions in recent months from the volcano that lay dormant for four centuries.
The National Disaster Management Agency said more than 19,000 people, evacuated over the last few months, are staying in 31 temporary shelters provided by the government.
Vulcanologist Gede Suandika said the huge volcanic ash cloud was formed by a collapse of the lava dome on Monday (December 30).
"So the collapse of the lava dome that formed in the southeast fell down and caused hot clouds that travelled more than two kilometres. This observation was made using a thermal camera during the night," he said.
I've been thinking the same exact thing but have nothing to back the hunch. For 2-3 months now I sense something volcanic is going to come from the sea, which hasn't been identified yet/not established in system. Likely not possible or at least probable but I'm sharing it anyway. If this happens at least it won't be in a populated area. If it's a super volcano I'm sure they will detect gasses in the area before it blows (or massive animal die offs, etc). I'm not trying to make a prediction just for the record (don't have that gift). It's just interesting to see others thinking this same thing.
For 2-3 months now I sense something volcanic is going to come from the sea, which hasn't been identified yet
The volcanoes we should be watching are the ones under water, like the one that's been dumping snow on the US east coast for most of December.
I've been hesitant to even bring this up, but my mother and her boyfriend were quite encouraging when the topic happened to come up while watching the weather report last night. I'm not here to make predictions and I've drawn no conclusions other than the blatantly obvious: undersea volcanoes have an effect on the weather.