Yellowstone volcanois estimated to have last erupted 640,000, 1.2 million and 2.1 million-years-ago. Any signs of imminent eruption will be preceded by earthquakes, ground uplift and unusual volcanic activity. 14 OCTOBER 2020 Old Faithful, the famed geyser in Yellowstone National Park, erupts with such captivating regularity, they named the whole gushing spring after it. That would have likely covered Idaho and Utah. The Yellowstone supervolcano has unleashed three cataclysmic eruptions in the past 2.1 million years; all well before humans populated North America. A second significant, though smaller, volcanic eruption occurred within the western edge of the first caldera approximately 1.3 million years ago. The least likely scenario is a worst-case super eruption, much like the past three caldera-forming ones. Yellowstone has had at least three such eruptions one about 2.1 million years ago, the next 1.2 million years ago, and the last big one 640,000 years ago. Here’s an at-a-glance look at the history of Yellowstone since its inception, with some key dates and happenings highlighted along the way. Geologists estimate each of these stupendous explosions devastated large parts of the Earth as far away as Asia. The last full-scale eruption of that kind occurred 640,000 years ago, and the ones prior to that occurred 1.3 and 2.1 million years ago. Yellowstone volcano eruption: Mother Nature will 'see you DEAD', Yellowstone's Ear Springs Geyser spews 80 years of RUBBISH, Yellowstone volcano: The supervolcano will likely not blow for a very long time, Yellowstone volcano: Will the supervolcano erupt? The largest of these flows formed the Pitchstone Plateau in southwestern Yellowstone National Park.Learn more:Yellowstone Eruption HistoryThe evolution of the Yellowstone Plateau Volcani Field: Past, present, and future! The Yellowstone supervolcano has unleashed three cataclysmic eruptions in the past 2.1 million years; all well before humans populated North America. We spoke to one of the country’s most respected volcanologists to get the most up-to-date low-down on the future of the world’s most famous … Sometimes it erupts quietly with lava flow, but once or twice every million years, it erupts very violently… The supervolcano beneath Yellowstone National Park has not erupted for around 70,000 years. Since then, the park has seen roughly 80 mostly non-explosive eruptions. newspaper archive. Three giant eruptions have occurred between 2.1 million and 640,000 years ago. ", Sign up for the There may be a way to work out when Yellowstone supervolcano will next erupt, scientists have said. It covered 4,600 square miles, which includes most of modern Idaho. In addition, the YVO branch of the USGS said there are no indications the next Yellowstone eruption will be volcanic, explosive or a combination of both. Experts say YES, Yellowstone EARTHQUAKE: Magnitude-7 quake is BIGGER risk than ERUPTION, Yellowstone volcano: Scientists estimate Yellowstone erupts every 740,000 years or so, Yellowstone volcano: When Yellowstone blows again, it could be a super eruption, Yellowstone volcano ERUPTION: Monster blast will ‘TEAR OUT guts from America’, Yellowstone volcano eruption MAP shows NOWHERE is safe from volcanic blast, Yellowstone volcano: Thermometers spike as HOTTEST temperatures on Earth are recorded, Yellowstone volcano eruption could THREATEN World food shortage, Yellowstone WARNING: Yellowstone at ‘TIPPING POINT’ scientists reveal, Yellowstone volcano could ERUPT and WORLD will not know until too late. Copyright © 2020 Deseret News Publishing Company. Start your day with the top stories you missed while you were sleeping. order back issues and use the historic Daily Express This Christmas ‘winter village’ is getting slammed by angry parents for being ‘cheap’. “Together, the three catastrophic eruptions expelled enough ash … "Periods of decreased precipitation have been shown in modern observational records to result in less frequent eruptions of Old Faithful Geyser, while the new 14C dates of mineralised wood suggest that severe, long-duration drought events can lead to Old Faithful Geyser eruption cessation." A second significant, though smaller, volcanic eruption occurred within the western edge of the first caldera approximately 1.3 million years ago. The third and most recent massive volcanic eruption 640,000 years ago created the present 30- by 45-mile-wide Yellowstone Caldera. 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