AuthorTopic: The Toba Memorial Volcano Thread  (Read 43115 times)

Offline azozeo

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Re: The Toba Memorial Volcano Thread
« Reply #120 on: March 03, 2017, 09:25:49 AM »

Is Something Strange Happening Inside The Earth?
By Michael Snyder, on February 28th, 2017

Why are “giant fountains of lava” suddenly pouring out of some of the most dangerous volcanoes on the entire planet, and why are so many long dormant volcanoes suddenly roaring back to life?  The spectacular eruption of Mt. Etna in Italy is making headlines all over the world, but it is far from alone.  According to Volcano Discovery, 35 major volcanoes either are erupting right now or have just recently erupted, and dozens of others are stirring.  So what is causing this upsurge in volcanic activity?  Is something strange happening inside the Earth?

According to the USGS, magma is “molten rock underground”, and lava is molten rock “that breaks through the Earth’s surface”.  Right now, something is pushing magma up through the crust of the Earth at a number of key spots around the planet.  On the island of Sicily, the “giant fountains of lava” that are coming out of Mt. Etna can be seen 30 kilometers away…

    Giant fountains of lava could be seen sprouting from the volcano, located on the isle of Sicily, as far away as Catania, around 30 kilometres away, and the resort town of Taormina.

    The Meteorological Observatory in Nunziata said: “You can clearly see the lava fountains, although currently modest, as it escapes from the crater in the southeast.”

    An orange air alert has been issued, meaning that airspace will remain open but authorities will continue to monitor the situation.

On the other side of the world, a constant stream of molten rock has been springing out of Guatemala’s “Volcano of Fire” since February 25th…

    Guatemala’s Volcano of Fire erupted Saturday (Feb 25), spewing lava and sending up plumes of ash that rained down on nearby communities and could eventually reach the capital, civil protection authorities said.

    The Volcan de Fuego, one of the country’s three active volcanoes, is located about 45km southwest of the capital Guatemala City. It was the volcano’s second eruption this year.

And in the middle of the Pacific Ocean, a “firehose of lava” has been pouring out of the Kilauea Volcano since December 31st.

Meanwhile, a number of large volcanoes that have been dormant for a very long time all over the world have started springing back to life.

For instance, the only active volcano in India has suddenly started “spewing lava and ash” after being silent for 150 years…

    Barren Islands volcano, India’s only active volcano, is reportedlyspewing lava and ash after a gap of 150 years. It erupted for about four hours in January, scientists from the National Institute of Oceanography (NIO) claimed.

    The volcano is situated in Barren Islands in the Andaman & Nicobar archipelago. Some unsubstantiated reports even claim that it is South Asia’s only active volcano.

    Its first recorded eruption dates back to 1787. Since then, the volcano has erupted more than ten times, including the one this year.

At one time scientists would speak of “dead volcanoes”, but now we learning that it really isn’t safe to speak of any volcano as being completely “dead”.  So many of these long dormant volcanoes are roaring back to life, and why this is suddenly happening now is puzzling many of the experts.

And as you have seen, this isn’t isolated to just one or two geographic regions.  It literally is happening all over the globe.

Last month, Indonesia’s Mount Sinabung in the southern hemisphere erupted seven times in the space of a single day, and meanwhile authorities in the northern hemisphere were warning us that four of Iceland’s biggest volcanoes are preparing to erupt.

Indonesia and Iceland are about as far apart as you can get, and yet they are both being affected by this worldwide phenomenon.

Without a doubt, something definitely appears to be causing a significant increase in worldwide seismic activity.

Let’s talk about earthquakes for a moment.  A website known as the Big Wobble recently published an article that included two extraordinary maps.  The first map showed the number of major earthquakes from January 1900 to January 1917, and the second map showed the number of major earthquakes from January 2000 to January 2017.  The difference between the two maps was startling to say the least.

It is becoming extremely difficult to deny that something is happening to the crust of our planet, and many are becoming concerned about what we could soon experience if the level of seismic activity continues to rise.

We already talked about Mt. Etna, but a much greater threat in Italy appears to be awakening under the city of Naples.  A massive supervolcano known as “Campi Flegrei” is close to a “critical state”, and if it erupts the consequences will be beyond catastrophic.  The following comes from National Geographic…

    A long-quiet yet huge supervolcano that lies under 500,000 people in Italy may be waking up and approaching a “critical state,” scientists report this week in the journal Nature Communications.

    Based on physical measurements and computer modeling, “we propose that magma could be approaching the CDP [critical degassing pressure] at Campi Flegrei, a volcano in the metropolitan area of Naples, one of the most densely inhabited areas in the world, and where accelerating deformation and heating are currently being observed,” wrote the scientists—who are led by Giovanni Chiodini of the Italian National Institute of Geophysics in Rome.

If that supervolcano were to fully erupt, millions could die, the skies in the northern hemisphere would be darkened for months and the resulting “volcanic winter” would cause famines all around the globe.

And the same things could be said about the supervolcano that is awakening in North Korea too.

In the United States, we should be watching the volcanoes on the west coast for signs of trouble, and my regular readers know that I am particularly concerned about Mt. Rainier.  There is an eruption of Mt. Rainier in “The Beginning Of The End“, and it is in there for a reason.

Someday Mt. Rainier will erupt, and the horror that this will mean for the Northwest is beyond anything that I could put into words for you right now.

We live at a time when our planet is becoming increasingly unstable, and a major natural disaster could change all of our lives in a single moment.

Just because our lives have been somewhat “normal” for an extended period of time does not mean that they will always be this way, and those that are ignoring the rumblings of our planet do so at their own peril.
I know exactly what you mean. Let me tell you why you’re here. You’re here because you know something. What you know you can’t explain, but you feel it. You’ve felt it your entire life, that there’s something wrong with the world.
You don’t know what it is but its there, like a splinter in your mind

Offline RE

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Rivers of Lava pouring from Mt. Etna
« Reply #121 on: March 28, 2017, 04:30:14 PM »
We're definitely getting hotter.

RE

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Offline azozeo

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Re: The Toba Memorial Volcano Thread
« Reply #122 on: March 30, 2017, 02:42:36 PM »
2017-03-28 - Underwater volcano erupts in the Tyrrhenian Sea off Montecristo (Italy) in mysterious explosions releasing water, mud, gas and debris:
http://strangesounds.org/2017/03/mud-volcano-eruption-video-italy-tyrrhenian-sea-mysterious-explosions-geyser-montecristo.html

Quote: "The chemical analysis of sea water showed a significant increase in the concentration of methane in the water."
I know exactly what you mean. Let me tell you why you’re here. You’re here because you know something. What you know you can’t explain, but you feel it. You’ve felt it your entire life, that there’s something wrong with the world.
You don’t know what it is but its there, like a splinter in your mind

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Volcano Thread- 4 ready to blow in Iceland "again"
« Reply #123 on: April 09, 2017, 01:42:26 PM »
<a href="http://www.youtube.com/v/QfJArRKS6AM&fs=1" target="_blank" class="new_win">http://www.youtube.com/v/QfJArRKS6AM&fs=1</a>
I know exactly what you mean. Let me tell you why you’re here. You’re here because you know something. What you know you can’t explain, but you feel it. You’ve felt it your entire life, that there’s something wrong with the world.
You don’t know what it is but its there, like a splinter in your mind

Offline azozeo

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Re: The Toba Memorial Volcano Thread
« Reply #124 on: May 02, 2017, 05:14:26 AM »



Under water volcano Kick 'em Jenny showing increase in activity by the Seismic Research Centre (SRC) of the University of the West Indies


Photo caribbean360.com
The National Disaster Management Agency is monitoring an increase in activities taking place at Kick 'em Jenny, the region's only submarine volcano located between Grenada and the Grenadine island of Carriacou.
In a release early Sunday, the disaster agency said it has been advised of the increase in activity by the Seismic Research Centre (SRC) of the University of the West Indies (UWI).
"The UWI/SRC recorded a high amplitude signal, lasting about 25 seconds, on one of the Grenada stations.
The signal was also recorded on a station in Montserrat.
This signal follows an increase in the number of background events associated with the Kick-'em-Jenny volcano," said the release which confirmed that persons in the St. Patrick's area have reported feeling tremors."
As a result, the alert level is now on yellow and sea users and ships have been warned to stay away from vicinity of the submarine volcano.
"In light of the ongoing we are advising all sea users that the 5km (3.1 miles) exclusion zone of Kick 'em Jenny be strictly observed.
The SRC has advised that heightened alert is necessary for the exclusion zone," the release added.
A yellow alert means the volcano is restless; seismicity and/or fumarolic activity are above the historical level or other unusual activity has been observed or can be expected without warning.

http://www.thebigwobble.org/2017/04/under-water-volcano-kick-em-jenny.html

I know exactly what you mean. Let me tell you why you’re here. You’re here because you know something. What you know you can’t explain, but you feel it. You’ve felt it your entire life, that there’s something wrong with the world.
You don’t know what it is but its there, like a splinter in your mind

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Highest aviation alert level issued after Alaskan volcano erupts
« Reply #125 on: May 29, 2017, 06:37:12 AM »
http://www.cnn.com/2017/05/29/us/alaska-bogoslof-volcano-eruption/

Highest aviation alert level issued after Alaskan volcano erupts
Joe Sutton Profile


By Euan McKirdy and Joe Sutton, CNN

Updated 8:28 AM ET, Mon May 29, 2017
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Story highlights

    Eruption on Alaskan island causes raising of aviation alert
    Ash cloud reached at least 35,000 ft., observers say

(CNN)A volcanic eruption Sunday prompted the temporary raising of the highest aviation alert, the Alaska Volcano Observatory (AVO) said Sunday.
The event, which took place on Alaska's Bogoslof Island, part of the Aleutian island chain, caused the issuance of a code "red" aviation alert, which was subsequently downgraded to "orange."
The cloud from the eruption reached at least 35,000 ft., and possibly as high as 45,000 ft., the Observatory said.
"We actually went to color code red this afternoon because of numerous lightning detections and increased seismic signals," Jeffrey Freymueller of the Geophysical Institute at the University of Alaska, Fairbanks tells CNN.
CNN Map


Bogoslof Volcano


© Mapbox © OpenStreetMap Improve this map
"Lightning in the Aleutians is mostly due to volcanic plumes, as the meteorological conditions for lightning are not common," Freymueller said.
"The combination of lightning and seismic data allowed us to go to red within about half an hour of the start of the eruption."
The eruption lasted for about 50 minutes, the AVO said.
An ash cloud from the erupting Bogoslof volcano, seen from nearby Unalaska island.
An ash cloud from the erupting Bogoslof volcano, seen from nearby Unalaska island.
Flight path concern
The volcano sits under the flight path of many flights from Asia to North America and its ash cloud could adversely affect aircraft. "Ash and aircraft do not mix, as volcanic ash is abrasive, melts at jet engine temperatures, and can cause engine failure," according to the United States Geological Survey.
Aircraft are often instructed to fly around or over ash clouds, although in some circumstances air traffic has been grounded due to the hazards from airborne ash. In 2010 the eruption of the Eyjafjallajokull volcano in Iceland caused the cancellation of flights around Europe for six days.
The Federal Aviation Administration (FAA) last week said that flights were being rerouted around a similar ash cloud when the volcano previously erupted, according to CNN partner CBC.
'Heightened state of unrest'
An image taken by AVO scientists around 14 minutes after the start of the eruption, from nearby Unalaska Island, showed a large white-gray mushroom cloud form over the site. Ash fallout was occurring to the west of the site, according to AVO.
Bogoslof volcano remains at a heightened state of unrest and in an unpredictable condition," according to a report issued by the Observatory, which added that "additional explosions producing high-altitude volcanic clouds could occur at any time."


It warns that continuing low-level activity could "pose a hazard in the immediate vicinity of the volcano."
Previous volcanic activity earlier in 2017 "significantly changed the shape and coastline of the island" and the land mass tripled in size between early 2015 and January of this year.
There have been eight documented eruption events at Bogoslof, the most recent one in 1992. Previous eruption events have lasted weeks to months, according to the AVO. This current eruption sequence started in December, 2016.
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Offline agelbert

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Re:Highest aviation alert level issued after Alaskan volcano erupts
« Reply #126 on: May 29, 2017, 02:40:57 PM »
http://www.cnn.com/2017/05/29/us/alaska-bogoslof-volcano-eruption/

Highest aviation alert level issued after Alaskan volcano erupts
Joe Sutton Profile


By Euan McKirdy and Joe Sutton, CNN

Updated 8:28 AM ET, Mon May 29, 2017
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bts hawaii lava flow destroys first structure_00005016.jpg
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pkg savidge hi science of lava_00001424.jpg
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orig chasing the lava in hawaii npr martin savidge_00005005.jpg
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lklv cnni javaheri calbuco volcano eruption_00003211.jpg
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bts hawaii lava flow destroys first structure_00005016.jpg
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orig chasing the lava in hawaii npr martin savidge_00005005.jpg
Chasing the lava in Hawaii
japan mount ontake volcano erupts_00002321.jpg
Volcanic ash envelops hikers
nr myers japan volcano eruption_00013420.jpg
Japan's volcano gave no warning
studying alaskas volcanoes orig _00000000.jpg
Volcanic ash a danger to airplanes
Volcano forms new island
erin pkg moos climb into volcano_00020815.jpg
Man climbs into the mouth of a volcano
wonder list up close with the volcano_00005413.jpg
Go inside an exploding volcano on Vanuatu
Indonesia volcano miller pkg_00004510.jpg
Indonesian volcano on the verge of a major eruption
galapagos volcano pink iguana ct hugo arnal intv_00002130.jpg
Galapagos volcano eruption threatens rare pink iguana
vo hawaii kilauea lava lake eruption_00002715.jpg
Hawaiian volcano erupts, lava lake sees record heights
Story highlights

    Eruption on Alaskan island causes raising of aviation alert
    Ash cloud reached at least 35,000 ft., observers say

(CNN)A volcanic eruption Sunday prompted the temporary raising of the highest aviation alert, the Alaska Volcano Observatory (AVO) said Sunday.
The event, which took place on Alaska's Bogoslof Island, part of the Aleutian island chain, caused the issuance of a code "red" aviation alert, which was subsequently downgraded to "orange."
The cloud from the eruption reached at least 35,000 ft., and possibly as high as 45,000 ft., the Observatory said.
"We actually went to color code red this afternoon because of numerous lightning detections and increased seismic signals," Jeffrey Freymueller of the Geophysical Institute at the University of Alaska, Fairbanks tells CNN.
CNN Map


Bogoslof Volcano


© Mapbox © OpenStreetMap Improve this map
"Lightning in the Aleutians is mostly due to volcanic plumes, as the meteorological conditions for lightning are not common," Freymueller said.
"The combination of lightning and seismic data allowed us to go to red within about half an hour of the start of the eruption."
The eruption lasted for about 50 minutes, the AVO said.
An ash cloud from the erupting Bogoslof volcano, seen from nearby Unalaska island.
An ash cloud from the erupting Bogoslof volcano, seen from nearby Unalaska island.
Flight path concern
The volcano sits under the flight path of many flights from Asia to North America and its ash cloud could adversely affect aircraft. "Ash and aircraft do not mix, as volcanic ash is abrasive, melts at jet engine temperatures, and can cause engine failure," according to the United States Geological Survey.
Aircraft are often instructed to fly around or over ash clouds, although in some circumstances air traffic has been grounded due to the hazards from airborne ash. In 2010 the eruption of the Eyjafjallajokull volcano in Iceland caused the cancellation of flights around Europe for six days.
The Federal Aviation Administration (FAA) last week said that flights were being rerouted around a similar ash cloud when the volcano previously erupted, according to CNN partner CBC.
'Heightened state of unrest'
An image taken by AVO scientists around 14 minutes after the start of the eruption, from nearby Unalaska Island, showed a large white-gray mushroom cloud form over the site. Ash fallout was occurring to the west of the site, according to AVO.
Bogoslof volcano remains at a heightened state of unrest and in an unpredictable condition," according to a report issued by the Observatory, which added that "additional explosions producing high-altitude volcanic clouds could occur at any time."


It warns that continuing low-level activity could "pose a hazard in the immediate vicinity of the volcano."
Previous volcanic activity earlier in 2017 "significantly changed the shape and coastline of the island" and the land mass tripled in size between early 2015 and January of this year.
There have been eight documented eruption events at Bogoslof, the most recent one in 1992. Previous eruption events have lasted weeks to months, according to the AVO. This current eruption sequence started in December, 2016.

   

On the bright side, if she blows big time, all those aerosols will slow down global warming for a few years.   8)
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Offline azozeo

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Scientists discover 91 volcanoes below Antarctic ice sheet
« Reply #127 on: August 14, 2017, 01:39:53 PM »
https://www.theguardian.com/world/2017/aug/12/scientists-discover-91-volcanos-antarctica


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You don’t know what it is but its there, like a splinter in your mind

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Yellowstone-Largest Swarm EVAH recorded 2300 & counting
« Reply #128 on: September 02, 2017, 05:25:10 PM »
http://www.newsweek.com/yellowstone-supervolcano-earthquake-swarm-largest-recorded-658318


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I know exactly what you mean. Let me tell you why you’re here. You’re here because you know something. What you know you can’t explain, but you feel it. You’ve felt it your entire life, that there’s something wrong with the world.
You don’t know what it is but its there, like a splinter in your mind

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Re: Yellowstone-Largest Swarm EVAH recorded 2300 & counting
« Reply #129 on: September 02, 2017, 05:29:50 PM »
http://www.newsweek.com/yellowstone-supervolcano-earthquake-swarm-largest-recorded-658318


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I know exactly what you mean. Let me tell you why you’re here. You’re here because you know something. What you know you can’t explain, but you feel it. You’ve felt it your entire life, that there’s something wrong with the world.
You don’t know what it is but its there, like a splinter in your mind

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5.3 Yellowstone
« Reply #130 on: September 02, 2017, 05:59:03 PM »
<a href="http://www.youtube.com/v/St3lOLk7kqc&fs=1" target="_blank" class="new_win">http://www.youtube.com/v/St3lOLk7kqc&fs=1</a>
I know exactly what you mean. Let me tell you why you’re here. You’re here because you know something. What you know you can’t explain, but you feel it. You’ve felt it your entire life, that there’s something wrong with the world.
You don’t know what it is but its there, like a splinter in your mind

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Re: The Toba Memorial Volcano Thread
« Reply #131 on: September 09, 2017, 01:06:27 PM »
2017-09-07 - Volcano Barbarbunga shaking and quaking in Iceland:
http://hisz.rsoe.hu/alertmap/database/index.php?pageid=event_desc&edis_id=EQ-20170907-59769-ISL

Quote: "A number of earthquakes were detected at Barbarbunga in Vatnajokull tonight, according to the Icelandic Met Office. The largest quake was 4.1 in magnitude, with another one following at 4.0. The quakes were a total of 21, with three of them over 3.0 in magnitude."
I know exactly what you mean. Let me tell you why you’re here. You’re here because you know something. What you know you can’t explain, but you feel it. You’ve felt it your entire life, that there’s something wrong with the world.
You don’t know what it is but its there, like a splinter in your mind

Offline RE

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Scientists locate potential magma source in Italian supervolcano
« Reply #132 on: September 18, 2017, 01:13:18 PM »
https://phys.org/news/2017-09-scientists-potential-magma-source-italian.html

Scientists locate potential magma source in Italian supervolcano
September 18, 2017

Scientists have now pinpointed the location of the hot zone where hot materials rose to feed the caldera during its last period of activity in the 1980s. Credit: University of Aberdeen

Scientists have found the first direct evidence of a so-called 'hot zone' feeding a supervolcano in southern Italy that experts say is nearing eruption conditions.

Campi Flegrei is a volcanic caldera to the west of Naples that last erupted centuries ago.

The area has been relatively quiet since the 1980s when the injection of either magma or fluids in the shallower structure of the volcano caused a series of small earthquakes.

Using seismological techniques, scientists have now pinpointed the location of the hot zone where hot materials rose to feed the caldera during this period.

The study was led by Dr Luca De Siena at the University of Aberdeen in conjunction with the INGV Osservatorio Vesuviano, the RISSC lab of the University of Naples, and the University of Texas at Austin. The research provides a benchmark that may help predict how and where future eruptions could strike.

"One question that has puzzled scientists is where magma is located beneath the caldera, and our study provides the first evidence of a hot zone under the city of Pozzuoli that extends into the sea at a depth of 4 km," Dr De Siena said.

"While this is the most probable location of a small batch of magma, it could also be the heated fluid-filled top of a wider magma chamber, located even deeper."

Dr De Siena's study suggests that magma was prevented from rising to the surface in the 1980s by the presence of a 1-2 km-deep rock formation that blocked its path, forcing it to release stress along a lateral route.

While the implications of this are still not fully understood, the relatively low amount of seismic activity in the area since the 1980s suggests that pressure is building within the caldera, making it more dangerous.

"During the last 30 years the behaviour of the volcano has changed, with everything becoming hotter due to fluids permeating the entire caldera," Dr De Siena explained.

"Whatever produced the activity under Pozzuoli in the 1980s has migrated somewhere else, so the danger doesn't just lie in the same spot, it could now be much nearer to Naples which is more densely populated.

"This means that the risk from the caldera is no longer just in the centre, but has migrated. Indeed, you can now characterise Campi Flegrei as being like a boiling pot of soup beneath the surface.

"What this means in terms of the scale of any future eruption we cannot say, but there is no doubt that the volcano is becoming more dangerous.

"The big question we have to answer now is if it is a big layer of magma that is rising to the surface, or something less worrying which could find its way to the surface out at sea."

Explore further: Campi Flegrei volcano eruption possibly closer than thought

More information: Luca De Siena et al. Source and dynamics of a volcanic caldera unrest: Campi Flegrei, 1983–84, Scientific Reports (2017). DOI: 10.1038/s41598-017-08192-7


Read more at: https://phys.org/news/2017-09-scientists-potential-magma-source-italian.html#jCp
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Fearing eruption, thousands in Bali flee from Mount Agung
« Reply #133 on: September 23, 2017, 01:04:48 AM »
Not  good day to stop sniffing glue in Bali.

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Fearing eruption, thousands in Bali flee from Mount Agung
Updated 11:20 pm, Friday, September 22, 2017


Villagers sit in a temporary shelter in Bali, Indonesia, Saturday, Sept. 23, 2017. Indonesian authorities raised the alert level for the Mount Agung volcano on the tourist island to the highest level, and more than 11,000 villagers left their homes around the mountain, officials said Friday. Photo: Firdia Lisnawati, AP / Copyright 2017 The Associated Press. All rights reserved.

Photo: Firdia Lisnawati, AP
Image 1 of 6
Villagers sit in a temporary shelter in Bali, Indonesia, Saturday, Sept. 23, 2017. Indonesian authorities raised the alert level for the Mount Agung volcano on the tourist island to the highest level, and more ... more

BALI, Indonesia (AP) — Thousands of villagers on the Indonesian resort island of Bali are sheltering in sports centers, village halls and with relatives, fearing Mount Agung will erupt for the first time in more than half a century.

Authorities raised the volcano's alert status to the highest level Friday following a "tremendous increase" in seismic activity. It last erupted in 1963, killing 1,100 people.

Villager Made Suda says he left overnight with 25 family members to stay in the Klungkung sports center.

He said Saturday: "I feel grief and fear, feel sad about leaving the village and leaving four cows."
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Bali volcano: 35,000 evacuated from near Mount Agung
« Reply #134 on: September 24, 2017, 09:10:08 PM »
Invest in Evacuation Companies.

RE

http://www.bbc.com/news/world-asia-41382990

Bali volcano: 35,000 evacuated from near Mount Agung

    39 minutes ago
    From the section Asia 


Image caption Thousands of Bali residents have been evacuated to town halls and schools  Image copyright Reuters

Nearly 35,000 people have been evacuated from their homes near an active volcano in Bali, as authorities warn it could erupt imminently.

The area around Mount Agung has seen hundreds of tremors and signs of magma rising to the surface in recent days.

Authorities have imposed a 12km (7.5 miles) exclusion zone around the mountain and issued their highest level alert on Friday.

The island's main tourist areas and flights remain unaffected for now.

Indonesia's national volcanology centre said in a statement (in Indonesian) on Sunday night that the mountain's "seismic energy is increasing and has the potential to erupt".

By Friday about 10,000 people had been evacuated, with more told to leave as authorities expanded the exclusion zone.
Image copyright Getty Images
Image caption The mountain has shown signs of increased volcanic activity in recent weeks

Officials began noticing heightened volcanic activity in August and have steadily stepped up the evacuations of the rural villages surrounding the mountain.

Thousands of Balinese are now living in shelters in town halls and schools, with authorities trucking in tonnes of aid supplies. Some communities have also set up livestock shelters for the cows which they had to leave behind, reported The Jakarta Post.

Many villagers are still visiting their homes in the daytime and life is continuing normally, according to Reuters news agency.
Skip Twitter post by @adharves

    This graph shows why vulcanologists think Bali's Mt Agung will explode soon - look at spike in red trend line showing energy of tremors. pic.twitter.com/4Fb4oMpUIx
    — Adam Harvey (@adharves) September 24, 2017

Report

End of Twitter post by @adharves

Mount Agung, which is more than 3,000m above sea level, lies in the eastern part of Bali, which is a popular tourist destination.

The volcano is about 70km from the main tourist areas of Kuta and Seminyak, which remain unaffected for now. Flights in and out of Bali are operating normally.

Bali's local tourism board said on Sunday that there had been no volcanic ash detected, but advised visitors to "start preparing sufficient stock of face masks" in case of an eruption.

Several countries including Britain, Australia and Singapore have issued travel advisories for their citizens, warning of possible flight disruptions and evacuations.

More than 1,000 people died when Mount Agung last erupted in 1963. With Bali's rapid development in the decades since, authorities fear a bigger death toll may result should the volcano erupt again.

It is among about 130 active volcanoes in Indonesia - an archipelago prone to volcanic eruptions and earthquakes as it sits on the Pacific "Ring of Fire".
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