Volcano watch
Japan: A new island appears in the Ogasawara Islands - November 2013
Active volcanoes (Sep 28, 2012)
"Of course all volcanoes will explode, as this is going to be a very severe pole shift. What about the months and years preceding the pole shift? It is no secret that Mammoth Lake and the caldera of Yellowstone are warming up, and the populace has been prepared for these occurrences by the movie Volcano where there, in the middle of LA, lava is bubbling up. In fact, there is a fault line running from the approximate San Diego/LA area, up into the Sierras, and this is liable to rupture rather violently during one of the quakes that precedes the pole shift by some months. Volcanic eruptions from that area in the Sierras can be expected. Will Mount St. Helen erupt? All volcanoes that have been active within the memory of man will begin spewing and burping and oozing, and many that were not expected to become active will reactive. " ZetaTalk - Feb 15, 2000
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Comment by Juan F Martinez on November 24, 2019 at 5:43pm
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Africa is Splitting in Two, Creating Dozens of Volcanoes November 19, 2019
The process of rifting in Africa means that the continent is slowly breaking apart and with that comes lots of volcanoes, some with the potential for massive explosive eruptions.
The modern geography of Earth is created by the plate tectonic engine that runs in our planet. What we see as familiar maps today would have looked very different 50 million, 500 million, 3 billion years ago. That's because the continents shift over time at rates of centimeters per year.
This might not seem like much, but over geologic time, that means they can collide and separate multiple times. At some points in Earth's history, we had supercontinents, when all the landmasses were one. Today, we're almost at the opposite end of the spectrum, with many continents far apart.
Currently, we only have one location where a continent is busy splitting itself apart, and that's the East African Rift. This part of the African continent extends to the southwest from Eritrea and represents one part of a three-armed rift system. The other two parts have separated to the point where new ocean crust has formed, creating the Red Sea and the Gulf of Aden. This is the boundary between the African and Arabian plates.
https://www.discovermagazine.com/planet-earth/all-the-volcanoes-mad...
However, the third arm has not produced any new ocean, at least not yet. Instead, we have a valley that extends into the heart of Africa where the continent is spreading apart. This spreading likely started some 25 to 30 million years ago. With the spreading comes volcanism ... and a lot of it. There are only a few places on Earth with as many volcanoes as the East African Rift in Ethiopia and Eritrea.
The Terra MODIS image above shows just how extensive that volcanism is. Volcanoes start in the Red Sea itself, with islands like Zukur and Hanish. The tiny dot off the coast of Yemen is Jebal Al-Tair, a volcanic island that last erupted in 2007, with lava flows reaching the sea.
Once you head inland, you run into the beast of Erta'Ale, with its active lava lake at the summit. The volcano is almost 60 miles (100 kilometers) from end to end. Lots of smaller cones on its slopes, like Bora Ale and Gada Ale, have produced most of the lava flows. Ale Bagu, on the other hand, is a basaltic volcano with a much more explosive history.
Just off the shores of the Red Sea is Dubbi, a large stratovolcano that, in 1861, sent lava flows more than a dozen miles (22km) down its slopes, produced 19 craters at the summit and rained ash 180 miles (300km) from the volcano. To the south at the border with Djibouti, Manda-Inakir formed a new cinder cone during eruptions in 1928-'29.
The dark ash plume from Nabro can be spotted just to the east (right) of Erta'Ale. In 2011, Nabro produced an eruption that unleashed lava flows and a large ash and gas plume. Even with its remote location, the eruption killed seven people and may have played a role in slight atmospheric cooling the following year. Nabro is a bimodal volcano that erupts hot and runny basalt as well as sticky rhyolite, so this eruption was much more passive than previous ones at this large caldera volcano.
The dark smudge below Erta'Ale is Alayta, another basaltic volcano. It last erupted in 1915 and its 1907 eruption sent a large lava flow down its slopes. Yet, right next to Alatya is Afderà, a rhyolite volcano that sits on the nexus of three faults. This is another example of the bimodal character of the East African Rift -- a lot of close volcanoes erupting low silica basalt or high-silica rhyolite and not a lot in between. In 2005, there was an ash-rich eruption from Dabbahu, south of Erta'Ale that caused 6,000 people to be evacuated.
Things Get Explosive
Near the bottom of the image, Alutu sits between two lakes and has over 300,000 people living within less than 20 miles (30km) of the volcano. It has a history of explosive eruptions of rhyolite and obsidian flows. The most recent was only about 2,000 years ago. This is joined by Tullu Moje, another rhyolitic volcano to the north of Alutu, that erupted as recently as 1900.
Two calderas lurk to the very south of the East African Rift in Ethiopia. The O'a and Corbetti calderas are both rhyolite volcanoes with very large explosive eruptions in their past. They are also some of the most potentially hazardous volcanoes on the planet, with over 450,000 and 1.1 million people living with a couple dozen miles of each of them, respectively. Neither are known to have erupted in historical times, but both are potentially active volcanoes.
This isn't even all the volcanism of the East African Rift. Volcanoes like Ol Doinyo Lengai, Kilimanjaro and Nyiragongo lie to the south of this shot.
The process of splitting a continent -- or even just trying to -- can be incredibly geologically active. The shear number of volcanoes in the East African Rift show just how powerful it can be.
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Comment by Starr DiGiacomo on November 9, 2019 at 4:07am
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https://www.upi.com/Top_News/World-News/2019/11/08/Japans-Mount-Sak...
Nov. 8, 2019 / 1:55 PMJapan's Mount Sakurajima volcano makes largest eruption in 3 years
Nov. 8 (UPI) -- Japan's Mount Sakurajima volcano erupted again Friday -- only this time sending out its largest plume in three years, officials said.
The eruption ejected smoke and debris more than 3 miles into the air, the Japan Meteorological Agency said.
The explosions in the mountain's Minamidake crater, at 3,412 feet in elevation, darkened skies over Kyushu island in southwest Japan and formed the largest ash cloud since 2016.
Kagoshima Prefecture officials said there were no immediate reports of damage or injuries.
"Explosive activity continues," the weather agency's Volcanic Ash Advisory Center warned on Thursday. It referred to an ash plume that rose to 7,000 feet, threatening planes flying nearby.
Pulverized rock in volcanic ash can get stuck inside jet engines and stall airliners in flight. A British Airways Boeing 747 lost all four engines after flying through an ash cloud over waters off Indonesia in 1982. The crew managed to restart the engines on both occasions and landed safely.
The Japanese agency said volcanic activity is expected to continue, although debris flows of lava are expected only around a small radius surrounding the crater.
The Kagoshima branch of the weather agency rated the volcano as Level 2 Friday, indicating "Do not approach the crater."
Japan's most active volcano, Mount Sakurajima sits on a peninsula that was formerly an island. Lava from a 1914 eruption connected it with the Osumi Peninsula on Kyushu island.
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Underwater Volcano Erupts in Tonga – Ash and Gas Plume Reaches 17,000ft – Aviation VONA Alert Increased to Orange 10-15-2019
https://strangesounds.org/2019/10/tonga-volcano-eruption-aviation-l...
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TRINIDAD and TOBAGO 9-22-2019
Tiny little Piparo volcano active burping, a very BAD OMEN for Trinidad and Tobago,and another sign that the South America Roll is moving right along.
https://www.facebook.com/Clima-Extremo-24-285981445512146/
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https://nypost.com/2019/08/28/volcano-on-italian-island-of-strombol...
Volcano on Italian island of Stromboli spews lava and ash in latest eruption
August 28, 2019 | 2:43pm
A volcano on the Italian island of Stromboli erupted Wednesday, sending a massive cloud of smoke and ash more than a mile into the sky – almost two months after a similar explosion killed a hiker there, according to reports.
The “high intensity” blast in southern Italy off the Sicilian coast was recorded just after noon, according to the National Institute of Geophysics and Vulcanology. No casualties were reported.
The explosion, which was classified as a “paroxysmal event,” produced a pyroclastic flow — a fast-moving mixture of gas, rock and volcanic ash that stretched several hundred meters into the sea, according to CNN.
In the July eruption, the volcano releasing hot trapped magma in a powerful explosion that killed the 35-year-old hiker, Massimo Imes, and covered the popular tourist destination in ash.
On Wednesday, video footage showed a group of Italians fleeing the tiny island in panic as gigantic clouds of ash rolled across the sea, according to The Telegraph.
On another small vessel, a British family watched as the eruption took place.
“Wow! The whole mountain is shaking!” a man says. “Oh my goodness, that is really bad, guys.”
Nicole Bremner, an Australian living in England, was on a boat off Stromboli when the eruption occurred, the news outlet reported.
“We were just at Stromboli volcano watching the small eruptions. We left and then this giant eruption happened!” she wrote in social media, adding that the smoke and ash had left “a metallic taste in our mouths.”
Elena Schiera, 19, of Palermo, Sicily, was on a sailboat during the eruption.
“We were sailing at a safe distance as per ordinance, when all of a sudden we heard a loud bang and saw a large black cloud spewing out of the Stromboli crater and pouring into the sea,” she told CNN.
“We immediately increased the speed of the boat to the maximum, even though, being a sailboat, the speed was still limited. Then the cloud arrived at sea and began to advance quickly towards us,” Schiera said.
“At that moment the panic broke out because we had the cloud a few meters away from our stern, but thanks to my father who was at the helm we managed to get away just in time because then the cloud started to rise again.”
Experts believe the volcano on Stromboli, part of the Aeolian archipelago, has been in nearly continuous eruption for at least 2,000 years, with incandescent lava, ash and volcanic rock regularly spewing from its cone.
“The situation is under control, but all the same we have activated the normal civil protection procedures,” said Marco Giorgianni, the mayor of Lipari, the most populated of the area’s islands.
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Comment by jorge namour on August 27, 2019 at 7:26pm
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Monstrous volcanic eruption in Russia reaches the stratosphere! (video)
08/27/2019 - Violent explosive activity of Shiveluch volcano in Russia has generated a 21,000 km high ash column, reaching the stratosphere.
The national scientific center of Russia reported it.https://terrarealtime.blogspot.com/2019/08/eruzione-vulcanica-mostr...
https://www.youtube.com/watch?v=tpH8GnvVPDI
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Puluweh volcano eruption in Indonesia Today! Report: bbsantosa
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https://www.volcanodiscovery.com/stromboli/news/85577/Stromboli-vol...
Eruption updates & news from Stromboli:
Stromboli volcano (Italy): intense activity continues, lava flow on Sciara del Fuoco
Monday Aug 19, 2019 15:55 PMThe activity of the volcano continues at very high levels, perhaps even increasing somewhat compared to the previous week.
Strombolian explosions, of often large size, from various vents have been occurring at rates of almost one every 2 minutes average (or 28 events per hour). Ash-rich explosions occur mainly from the Central/SW crater, while the vents in the NE crater cluster have been showing high degassing rates, accompanied by near-continuous lava spattering and medium to strong explosive activity with lava bombs reaching 150-200 m above the crater.
The new lava flow which had started at 02:35 local time on 18 Aug is still active. It originates probably from an ephemeral vent at about 550-600 m a.s.l in the Central sector and has descended to probably about 3-400 m, while glowing blocks from its front roll down and tumble into the sea. The lava flow in the SW sector, which had been active last week, in turn has ended.
The volcanic tremor is stable over very high values. Heat emission is very high, compatible with the occurrence of both effusive and intense explosive activity. The SO2 flux was measured with a slightly decreasing trend from very high to high values (yesterday: 202 tons per day).and another:Krakatoa (Krakatau) volcano news & eruption updates:
Krakatau volcano (Indonesia): continuing occasional explosions, field observations 15-17 Aug 2019
Monday Aug 19, 2019 16:20 PMTwo small explosions, probably phreatic (steam-driven), were recorded from the volcano during the past few days, one on 17 Aug at 20:23, the next one earlier today at 09:09 local time.
Due to intense haziness in the area, the eruptions were only inferred from seismic signals; no visual observations were made at the observatory. Each of them lasted about 1 minute and were relatively small.
During 15-17 Aug, a small group of VolcanoDiscovery visited the island during our most recent expedition to Krakatau and observed the crater lake, where expedition member Stefan Tommasini made some interesting temperature measurements at the crater lake of Anak Krakatau:
The water temperature was 62 degrees Celsius near the shore, probably more (around 80 deg C) in the middle of the lake. He observes also that in the center of the strongly steaming lake, a (cinder) cone seems to just be emerging above water level.
In addition, the water is very acid, with a pH value of 0.5, and much of the gasses are sulphur dioxide (SO2). At the coast, the seawater had a temperature of 35 degrees C. Also here, hot gases and hydrothermal solutions escape. More eruptions are likely in the near future.
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Volcano Planet
AUGUST 17 2019
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Pumice raft to the west of Tonga indicating an undersea eruption in recent days.https://www.facebook.com/VolcanoPlanet/
https://apps.sentinel-hub.com/sentinel-playground/?source=S2&la...
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JAPAN Kagoshima Volcano 7-28-2019
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