Volcano watch

[Sevan Makaracı]

Japan: A new island appears in the Ogasawara Islands - November 2013

Active volcanoes (Sep 28, 2012)

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"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

[Kojima]

Explosive Eruption at Paluweh Volcano [Earth Observatory: 12 Feb 2013]

Although the summit of Indonesia’s Paluweh (also known as Rokatenda) is shrouded by clouds, evidence of a recent eruption is visible on the slopes of the island volcano in this satellite image. After months of rumbling, an explosive eruption occurred on February 2 and 3, 2013. Gray ash from the eruption covers the southern slopes of the peak in this natural-color image. A lighter gray swath running from the hidden summit to the ocean traces the path of a volcanic landslide, likely the remnants of a pyroclastic flow. A brand-new delta extends into the Flores Sea at the foot of the flow. To the northwest, airborne ash swirls around the island. Green vegetation appears relatively untouched, but ash has destroyed many of the island’s crops, according to the Jakarta Globe.

Erik Klemetti, author of the Eruptions Blog, suggested that the eruption may have been caused by the collapse of an unstable lava dome. The number of small tremors and emissions of ash at Paluweh increased in October 2012, and continued into February 2013, perhaps indicating growth of the lava dome. This image was collected on February 12, 2013, by the Advanced Land Imager (ALI) on the Earth Observing-1 (EO-1) satellite. According to the Darwin Volcanic Ash Advisory Center (VAAC), Paluweh has experience minor ash and gas emissions almost daily since the initial blast.

[Sevan Makaracı]

LARGE EXPLOSION AT BATU TARA VOLCANO (SUNDA ISLANDS,INDONESIA)

A relatively large explosion this morning has produced an ash plume detected at 12,000 ft (3.7 km) altitude extending 40 nautical miles to the northwest.

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[lonne rey]

Cleveland volcano

2013-02-06 12:34:31 - Daily Update
Elevated surface temperatures were detected in satellite images of Cleveland over the last 24 hours. The aviation color code and volcano alert level were changed to ORANGE/WATCH earlier today based on evidence that a new dome has formed in the summit crater of Cleveland. The dome is about 100 m in diameter and presumably formed starting January 24, 2013 when elevated surface temperatures were observed in satellite images.

The development of a lava dome in the summit crater indicates that sudden explosions of blocks and ash are possible with little or no warning. Ash clouds, if produced, could exceed 20,000 feet above sea level. If a large ash-producing event occurs, nearby seismic, infrasound, or volcanic lightning networks should alert AVO staff quickly. However, for some events, a delay of several hours is possible. There is no real-time seismic monitoring network on Mount Cleveland and AVO is unable to track activity in real time.

Location of Cleveland volcano and other Aleutian volcanoes with respect to nearby cities and towns. (Credit: Janet Schaefer/Image courtesy of the AVO/ADGGS)

Topographic shaded relief map of Chuginadak Island and Cleveland Volcano. (Credit: AVO/U.S. Geological Survey; BigTopo 7)

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[lonne rey]

Super volcano awakening in Italy?

It looks like we may be in for an earth-shattering explosion. A dormant super volcano appears to be stirring under the Phlegraen Fields (Campi Flegrei) of Naples in Italy. Rising soil temperatures and surface deformation in the area have alarmed seismologists. In the distant past, volcanic super eruptions caused global climate change responsible for mass extinctions of plant and animal species.

So far, scientists are unable to model the potential consequences of an awakening super volcano.

Latest studies show that the Phlegraen Fields have actually been swelling above sea level at a rate of 3 cm per month. Micro quakes and large amounts of gases accumulated in soil indicate that the volcano may be preparing to erupt, says Vladimir Kiryanov, Assistant Professor of Geology at the St. Petersburg University.

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Source map

[Howard]

Worldwide Volcanic Activity Summary (Jan 26) 

Currently erupting: 23

Eruption warning issued: 35

Restless: 58

Source

http://www.volcanodiscovery.com/view_news/27910/Volcanic-activity-w...

[Sevan Makaracı]

REVENTADOR VOLCANO (ECUADOR) ENTERS NEW ERUPTION WITH LAVA FLOWS AND EXPLOSIONS (JAN 24)

The volcano has now entered a full-scale eruption. Lava flows descending on the flanks and glow at the summit were observed. A tall steam and ash plume rises 1.5 km above the volcano and drifts west. Additionally explosions have been reported which were heard in the sector of Reventador.
Seismic activity is strong and characterized by strong tremor and explosion signals.
Interestingly, but probably nothing than coincidence, Reventador and Tungurahua which is now calm, two of Ecuador's currently most active volcanoes, seem to alternate each other with phase of strong activity.

Source

[Sevan Makaracı]

White Island volcanic activity concern (New Zealand, Jan 22)

Volcanic activity at White Island is the most "vigorous" in years and could mean a large explosive eruption is imminent, GNS Science says.

The volcano, off the Bay of Plenty coast, is the country's most active and showed heightened signs of unrest last year.

But it is the increased hydrothermal activity in the last three weeks which is of "significant concern", GNS vulcanologist Brad Scott says.

"I don't think I've seen anything this strong since the late 90s and 2000s."

Source

[Sevan Makaracı]

Photos from 3 erupting volcanoes on Kamchatka Peninsula (Jan 22)

Plosky Tolbachik volcano:

Kizimen volcano:

Shiveluch volcano:

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[Andrey Eroshin]

Underwater volcano in Black Sea damaged 160km of fiber-optic cable

05.01.13. The eruption of an underwater volcano damaged undersea Poti-Novorossiysk-Sochi fiber-optic cable. Presumably the 160-kilometer-long cable is broken in four places.

http://www.setyoufreenews.com/2013/01/05/underwater-volcano-in-blac...

[Howard]

Powerful Eruptions Continue on Stromboli (Jan 14)

Increased eruptions from Stromboli sparked fear among inhabitants but geophysicists said the situation was under control.

Strong explosive eruptions from the main NE vent continue to occur at intervals of 30 minutes approximately.

Another collapse of parts of the northern crater rim occurred today around 14:30 local time. Lava continued to issue from the NE cone and forms a lava flow with currently 3 branches, one of which reaches about 400 m elevation. Glowing rockfalls reach the sea.

During the afternoon, small pyroclastic flows generated by material sliding down the Sciara could be seen.

The volcano is active but on Monday there was a particularly powerful eruption and sustained lava flows following four days of heightened activity.

Stromboli is part of the seven-island Eolian Archipelago just off Sicily in southern Italy.

Sources

http://www.france24.com/en/20130114-volcano-lava-flows-worry-italia... 

http://www.volcanodiscovery.com/view_news/26679/Stromboli-volcano-I...