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Eruptions · 1d ago

Kuwae Eruption of the 1450s: Missing or Mythical Caldera?

Chemical evidence from soil around the globe suggest a gargantuan volcanic eruption occurred in the 1450s. Volcanologist and Eruptions blogger Erik Klemetti shows off a compelling candidate, but explains why it has proven so difficult to pinpoint the source.
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Eruptions · 3d ago

97 Years Since the Eruption of Lassen Peak

Considering all the time I spend thinking about Lassen Peak and its related volcanic siblings (like Chaos Crags or Bumpass Mt.), I thought I should at least acknowledge the 97th anniversary of the eruption of the volcano. You can read all about the eruption on this USGS/NPS site or check out the USG
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Eruptions · 4d ago

When Will Baekdu Caldera Erupt (or How to Misuse Volcanologic Data)

Possibly second only to Yellowstone in its appearance in fearmongering, the Baekdu (Changbaishan) caldera on the border between China and North Korea tends to get more attention than it deserves. Over the course of its known history, the caldera has produced a single VEI 7 eruption in ~1000 A.D. and
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Eruptions · 5d ago

Fuego in Guatemala has Largest Eruption in Years

Fuego had one of its most explosive and vigorous eruptions in years over the weekend. The active Guatemalan volcano, located ~40 km from the capital city of the country, was producing an ash plume that topped out at almost 5 km / 16,000 feet and, if the reports can be believed, a fire fountain at [.
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Eruptions · 1w ago

What Happens to All That Volcanic Ash?

The average volcanic eruption releases millions to trillions cubic meters of ash into the atmosphere. Most of it falls near the volcano, but a significant portion can travel far away, drifting in the atmosphere for hundreds, thousands, tens of thousands of miles around the globe. That ash becomes th
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Eruptions · 1W ago

Examining Volcanic Lightning During Explosive Eruptions

How do volcanic eruptions trigger so much lightning? Volcanologist and Eruptions blogger Erik Klemetti dives into a new study that suggests electrically charged ash is to blame.
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Eruptions · 1W ago

Eruption Update for May 15, 2012: Iceland, Kilauea, Popocatépetl and Rubber Ducks

Some quick volcano news hits for a sunny Tuesday: Iceland I find it amusing and frustrating whenever I see that some sectors of the media don’t let pesky facts get in the way of a good lede. I’ve seen piles of headlines about the new tourist attraction at Thrihnukagigur in Iceland where people can b
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Eruptions · 1W ago

Rapid Rates of Short Submarine Eruptions Measured at Monowai in the Kermadec Islands

I saw (and was sent) a lot of articles about the findings from Anthony Watts and others in Nature Geosciences on the submarine volcanism in the Kermadec Islands north of New Zealand. A group of geologists were lucky enough to stumble across an eruption of Monowai in 2011 and in doing so, they set of
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Eruptions · 1W ago

Volcano Webcams of the World – Updated!

I’ve been meaning to do this for a while, but I’ve finished updating my Volcano Webcams of the World page. I’ve added a pile of new webcams, fixed some broken links and removed webcams that are no longer existing/operational. Some of the biggest changes came in South America, where Colombia and Chil
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Eruptions · 1W ago

Yellowstone Volcano Observatory Gets an Upgrade

Earlier this year, I was reported on the newest of the USGS Volcano Observatories, the California Volcano Observatory. It was the first of the Volcano Observatories to debut the revamped website design for the USGS and now the Yellowstone Volcano Observatory joins CalVO with the new design. I know m
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