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Mike Poland00:08 Hi everybody. I'm Mike Poland, the scientist in charge at the Yellowstone Volcano Observatory. Thanks for joining us today. I'd like to talk a little bit about what the volcano observatory is. What is the Yellowstone Volcano Observatory, what makes it up, what do we do, what's our mission? And also some of the neat results that we've come up

Mike Poland00:24 with over the last few years. Some of the things that really make Yellowstone an impressive place to work and geologically and volcanologically. Well, first I can tell you what the Yellowstone Volcano Observatory is not. We are not a facility. We are not a place. I think a lot of people, when they hear the term volcano observatory,

Mike Poland00:40 they think of a place like the Hawaiian Volcano Observatory where there's a wonderful facility that used to overlook the active eruption site at the summit of Kilauea Volcano. Well, the Yellowstone Volcano Observatory is a virtual observatory. There is no physical facility for the observatory. So we don't have that building like the

요약. The Yellowstone Volcano Observatory is a virtual consortium of nine institutions dedicated to monitoring volcanic, seismic, and hydrothermal activity in Yellowstone. The observatory tracks hazards like earthquakes, lava flows, and hydrothermal explosions while conducting research on the region's complex magma system. Through various monitoring networks, scientists have made significant discoveries, such as the birth of new thermal areas and the ability to track geyser activity using seismic and thermal data.

00:08 Introduction to the Yellowstone Volcano Observatory

• YVO is a virtual observatory and a consortium of nine institutions.
• The USGS leads hazard messaging, but all partners collaborate on goals.
• Primary goals include research, monitoring, and education.

용어

• Yellowstone Volcano Observatory (YVO): A virtual consortium of nine organizations that monitors and researches the Yellowstone volcanic system.
• Mantle plume: An area of thermal upwelling and enhanced melting originating deep within the Earth.
• Basalt: A low viscosity magma that flows easily.
• Rhyolite: A sticky magma prone to being more explosive.

사실과 수치

• 1500-2500 earthquakes occur in the Yellowstone region per year on average.
• The Yellowstone system has two main magma chambers: one at 15 miles deep and one at 3 miles deep.
• The upper magma reservoir is 5-15% molten; the lower is 2-5% molten.
• Three major caldera-forming explosions occurred 2.1 million, 1.3 million, and 631,000 years ago.
• The 1959 Hebgen Lake earthquake was a magnitude 7.3.
• Total geothermal power output of Yellowstone is 1.3 gigawatts.

출제될 법한 질문

• The distinction that YVO is a virtual observatory and a consortium, not a single physical facility.
• The three primary goals: research, monitoring, and education/outreach.
• The hierarchy of hazards: caldera-forming explosions are the most destructive but least frequent, while hydrothermal explosions and earthquakes are more frequent.