Update, November 24, 2018, 7:26 a.m., Pacific: Per the volcanologists, who kindly replied by email, this cloud coming out of the caldera, captured on the cam shot (below), was: Volcanic gases — visibility of plume is more pronounced in early mornings and evenings when warm gases condense as they are released into cooler air temperatures.
Update, November 22, 2018, 12:51 p.m., Pacific: Happy Thanksgiving! Also, AVO has decreased the alert level back to Orange, as Veniaminof’s ash emissions have decreased in intensity, though they continue (along with the flowing red lava. Original post: AVO Veniaminof RED/WARNING – Increased continuous ash emissions to 15,000 ft and extending over 150 miles to
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)
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