Volcano Season Update:
The ongoing #quakeswarm near Lakeview, Oregon on the Nevada border continues to quietly rage on with no let up in more than 2 months. Yellowstone continues to "Burp" SO2 and Methane, Mt Shasta sheds glaciers, and Mt Saint Helens #MagmaChamber is Re-Charging. With the continued uptick in Global Volcanism and stromger Seismic events on the increase,
When we will see a significant eruption in the Inter Mountain West?
- See more at: http://madtownpreppers.blogspot.com/2014/12/quakeswarm-near-lakeview-or-has-experts.html
Very Concerning! Yellowstone Super Volcano, Sulfur Dioxide Gas Increase
Published on Dec 16, 2014www.marygreeley.com/ http://youtu.be/ebP7sY0Vlnk
Mexico's #Popocatépetl Volcano is Erupting with violent explosions over the last 36 hours.
En total, detalló el órgano científico, se presentaron seis explosiones, acompañadas de tremor armónico y 110 exhalaciones en las últimas 24 horas. Registra el Popocatépetl seis explosiones y fumarola de 2 km. El SexenioNone of which is being reported in the #MainStreamMedia - Popocatépetl is 50 miles SE of Mexico City...
Major Release of Sulphur Dioxide and more Magma movement detected. Is there a Volcano Season???
As it is increasingly Difficult at best to real time data via the USGS feeds, you are on your own to determine how to best prepare for a #YellowstoneSupervolcano Eruption or #Quakeswarm.
We also have been monitoring an increase in Volcanism worldwide recently and are sharing a recent article via University College London about a possibility of #VolcanoSeason.
#Yellowstone Update: Major #SulphurDioxide release, #Magma movement - 'Is there a #VolcanoSeason?' @UCL http://t.co/LuyfYRxsq2 #preppertalk
— Madtown Preppers (@MadtownPreppers) October 6, 2014
Published on Oct 4, 2014
WOW Yellowstone Super Volcano MAJOR Release of Sulfur Dioxide Gas
Update time = Mon Dec 15 21:00:05 MST 2014
Here are the earthquakes appearing on this map, most recent at top ...
2.4 2014/12/15 11:02:25 44.252N 110.760W 4.4 47 km (29 mi) ENE of Warm River, ID 1.1 2014/12/15 06:09:23 44.643N 110.736W 4.9 29 km (18 mi) E of West Yellowstone, MT 0.7 2014/12/14 07:41:39 44.760N 111.033W 7.6 12 km ( 8 mi) NNE of West Yellowstone, MT 0.3 2014/12/12 13:14:29 44.778N 111.115W 8.0 13 km ( 8 mi) N of West Yellowstone, MT 1.0 2014/12/11 16:49:20 44.253N 110.620W 10.0 58 km (36 mi) ENE of Warm River, ID 1.3 2014/12/10 17:25:31 44.440N 110.807W 1.2 34 km (21 mi) SE of West Yellowstone, MT 1.6 2014/12/10 17:24:35 44.453N 110.817W 1.2 33 km (20 mi) SE of West Yellowstone, MT 0.4 2014/12/10 17:22:34 44.412N 110.871W 2.0 33 km (21 mi) SE of West Yellowstone, MT 1.7 2014/12/10 17:22:04 44.522N 110.976W 5.2 19 km (12 mi) SE of West Yellowstone, MT -0.1 2014/12/10 14:34:10 44.717N 111.114W 2.4 6 km ( 4 mi) N of West Yellowstone, MT -0.1 2014/12/10 14:33:51 44.717N 111.115W 3.2 6 km ( 4 mi) N of West Yellowstone, MT 0.8 2014/12/09 03:24:16 44.082N 110.709W 8.8 43 km (27 mi) NNE of Alta, WYUpdate time = Tue Oct 7 11:00:01 MDT 2014
Here are the earthquakes appearing on this map, most recent at top ...
1.2 2014/10/06 14:55:53 44.833N 111.010W 8.2 20 km (13 mi) NNE of West Yellowstone, MT 1.5 2014/10/05 13:41:17 44.240N 110.788W 4.4 44 km (28 mi) ENE of Warm River, ID 0.2 2014/10/05 01:52:01 44.757N 111.128W 11.0 11 km ( 7 mi) N of West Yellowstone, MT 0.9 2014/10/04 09:18:33 44.356N 110.977W 5.5 33 km (20 mi) ESE of Island Park, ID 0.9 2014/10/04 06:25:03 44.822N 110.817W 4.1 25 km (16 mi) SSW of Gardiner, MT 0.4 2014/10/04 03:02:16 44.789N 111.163W 11.1 15 km ( 9 mi) NNW of West Yellowstone, MT 0.3 2014/10/04 02:40:28 44.789N 111.157W 11.3 15 km ( 9 mi) NNW of West Yellowstone, MT 1.1 2014/10/04 02:05:06 44.368N 110.994W 5.1 31 km (19 mi) ESE of Island Park, ID 1.2 2014/10/04 01:54:02 44.377N 110.999W 5.8 30 km (19 mi) ESE of Island Park, ID 1.4 2014/10/04 01:49:04 44.358N 111.045W 1.9 28 km (17 mi) SE of Island Park, ID 1.2 2014/10/04 01:45:17 44.373N 111.001W 7.5 30 km (19 mi) ESE of Island Park, ID 0.7 2014/10/04 01:44:53 44.384N 111.025W 8.9 28 km (17 mi) ESE of Island Park, ID 1.0 2014/10/04 01:38:17 44.739N 111.020W 7.3 11 km ( 7 mi) NE of West Yellowstone, MT 1.5 2014/10/04 01:35:15 44.370N 111.000W 7.0 30 km (19 mi) ESE of Island Park, ID 1.1 2014/10/04 01:34:24 44.366N 111.029W 2.2 29 km (18 mi) ESE of Island Park, ID 1.2 2014/10/04 01:31:00 44.360N 110.973W 1.1 33 km (20 mi) ESE of Island Park, ID 0.4 2014/10/03 07:14:22 44.791N 110.772W 2.1 28 km (17 mi) S of Gardiner, MT 0.3 2014/10/02 18:25:00 44.780N 111.089W 7.2 13 km ( 8 mi) N of West Yellowstone, MT 0.6 2014/10/02 18:12:30 44.782N 111.088W 8.3 13 km ( 8 mi) N of West Yellowstone, MT 0.5 2014/10/01 05:03:08 44.747N 111.116W 13.4 9 km ( 6 mi) N of West Yellowstone, MT 0.4 2014/09/30 16:47:06 44.757N 111.127W 11.1 11 km ( 7 mi) N of West Yellowstone, MT
August 27, 2014
Could there really be such a thing as Volcano season?By Robin Wylie, University College London
|Some think it’s the time of the year.|
The Earth seems to have been smoking a lot recently. Volcanoes are currently erupting in Iceland, Hawaii, Indonesia and Mexico. Others, in the Philippines and Papua New Guinea, erupted recently but seem to have calmed down. Many of these have threatened homes and forced evacuations. But a
mong their less-endangered spectators, these eruptions may have raised a question: Is there such a thing as a season for volcanic eruptions?
Surprisingly, this may be a possibility. While volcanoes may not have “seasons” as we know them, scientists have started to discern intriguing patterns in their activity.
Eruptions caused by a shortened dayThe four seasons are caused by the Earth’s axis of rotation tilting towards and away from the sun. But our planet undergoes another, less well-known change, which affects it in a more subtle way. Perhaps even volcanically.
Due to factors like the gravitational pull of the sun and moon, the speed at which the Earth rotates constantly changes. Accordingly the length of a day actually varies from year to year. The difference is only in the order of milliseconds. But new research suggests that this seemingly small perturbation could bring about significant changes on our planet – or more accurately, within it.
In February 2014, a study in the journal Terra Nova showed that, since the early 19th century, changes in the Earth’s rotation rate tended to be followed by increases in global volcanic activity. It found that, between 1830 and 2013, the longest period for which a reliable record was available, relatively large changes in rotation rate were immediately followed by an increase in the number of large volcanic eruptions. And, more than merely being correlated, the authors believe that the rotation changes might actually have triggered these large eruptions.
Altering the spin of a planet, even by a small amount, requires a huge amount of energy. It has been estimated that changes in the Earth’s rotation rate dissipate around 120,000 petajoules of energy each year – enough to power the United States for the same length of time. This energy is transferred into the Earth’s atmosphere and subsurface. And it is this second consequence that the Terra Nova authors believe could affect volcanoes.
The vast quantities of energy delivered to the subsurface by rotation changes are likely to perturb its stress field. And, since the magma which feeds volcanic eruptions resides in the Earth’s crust, stress variations there may make it easier for the liquid rock to rise to the surface, and thereby increase the rate of volcanic eruptions.
The Terra Nova study is far from conclusive. Nevertheless, the idea that minute changes to the Earth’s spin could affect volcanic motions deep within the planet is an intriguing one.
But there’s another natural phenomenon which has a much stronger claim to affect volcanic activity – one which might be just as surprising: climate change.
Eruptions caused by climate changeIn recent decades, it has become apparent that the consequences of planetary ice loss might not end with rising sea levels. Evidence has been building that in the past, periods of severe loss of glaciers were followed by a significant spike in volcanic activity.
Around 19,000 years ago, glaciation was at a peak. Much of Europe and North America was under ice. Then the climate warmed, and the glaciers began to recede. The effect on the planet was generally quite favourable for humankind. But, since the mid-1970s, a number of studies have suggested that, as the ice vanished, volcanic eruptions became much more frequent. A 2009 study, for example, concluded that between 12,000 and 7,000 years ago, the global level of volcanic activity rose by up to six times. Around the same period the rate of volcanic activity in Iceland soared to at least 30 times today’s level.
There is supporting evidence from continental Europe, North America and Antarctica that volcanic activity also increased after earlier deglaciation cycles. Bizarrely, then, volcanic activity seems – at least sometimes – to rise and fall with ice levels. But why? Again, this strange effect might be down to stress.
Eruptions cause by the melting of iceIce sheets are heavy. Each year, Antarctica’s loses around 40 billion tonnes. They are so heavy, in fact, that as they grow, they cause the Earth’s crust to bend – like a plank of wood when placed under weight. The corollary of this is that, when an ice sheet melts, and its mass is removed, the crust springs back. This upward flexing can lead to a drop in stress in the underlying rocks, which, the theory goes, makes it easier for magma to reach the surface and feed volcanic eruptions.
The link between climate change and volcanism is still poorly understood. Many volcanoes do not seem to have been affected by it. Nor is it a particularly pressing concern today, even though we face an ice-free future. It can take thousands of years after the glaciers melt for volcanic activity to rise.
Yet while it may not be an immediate hazard, this strange effect is a reminder that our planet can respond to change in unforeseen ways. Contrary to their brutish reputation, volcanoes are helping scientists understand just how sensitive our planet can be.
Robin Wylie does not work for, consult to, own shares in or receive funding from any company or organisation that would benefit from this article, and has no relevant affiliations.
This article was originally published on The Conversation. Read the original article.
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