Category: Hazards

Mount St. Helens Isn’t Erupting

That’s resuspended ash from earlier eruptions. Yes, volcanoes can still be hazardous decades after they erupt. Several weeks ago, the Alaska Volcano Observatory noted resuspended ash from an eruption up there 106 years ago! VA ADVISORY DTG: 20181014/1620Z VAAC: WASHINGTON VOLCANO: ST. HELENS 321050 PSN: N4611 W12210 AREA: US-WASHINGTON SUMMIT ELEV: 8363 FT (2549 M)

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Update on Popocatépetl

Volcanologists at the University of Mexico released a bulletin (Spanish) this morning; here is the Google Translate version. Click the link in the top menu for more information about Popocatépetl as well as updates. Bulletin UNAM-DGCS-620 University City. 11:00 hs. September 29, 2018 Ramón Espinasa Pereña Ana Lillian Martín del Pozo   IN INCREMENT, THE

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Meanwhile, in Puebla . . .

See update at bottom of post, or click the Popocatepetl link at the top of this page. This is a 2011 view of nearby Popocatepetl volcano from downtown Puebla. Today, people in this Mexican city are watching Popocatepetl with concern (you can follow updates on its activity through the link in the top menu–it has

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Hide From the Wind, Avoid the Water

Update, September 18, 2018: It’s over–the storm, I mean. Now comes the part that doesn’t make headlines, but is so very hard to deal with. If you’re in this situation post Florence, or end up in one like it in the future, take that last sentence to heart: you will make it through this. Original

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Popocatépetl update

August 30, 2018, update: This uptick in restlessness is too slight for CENAPRED to raise the volcano alert level, but it’s interesting and worth keeping an eye on. I’ve therefore given Don Goyo its own page, which you can access here or via the menu at the top of this page. And here’s the Webcams

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Guest Video: Öræfajökull

Update, October 26, 2018: Volcanologist Erik Klemetti has a good blog post up about this volcano. Should we be worried? A resounding no, he says. At least not right now. Original post: Let’s all start practicing this new Icelandic name now, just in case this restless volcano does go off in our lifetimes! Given Öræfajökull’s

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1,939 Years Ago This Week, Vesuvius Erupts

On the left, a contemporary view of Vesuvius in 79 AD, as seen in artwork in a Pompeiian villa. They had no idea it was a volcano. On the right, Vesuvius after the eruption, as seen from an excavated Pompeii. That bump on the right is all that remains of the former structure. The double-peak

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Earthquake Swarm on Alaska’s North Slope

OK, the ground up there isn’t jumping so much it knocks down polar bears–this is just a laid-back local resident. But a magnitude 6.4 quake is unusual on Alaska’s Arctic Ocean coast, and no one really knows what caused the Sunday event. They call this region the North “Slope,” not the North “Trench,” because it’s

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Kilauea Update

There has been a slight, but possibly very important, change in the eruption–less lava coming out in the Lower East Rift Zone and a hiatus in summit collapse events–and I’m updating the Kilauea eruption page again. Can’t spend a lot of time on it because of book work, but I’ll try to catch the important

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