How many seismometers are found in the Yellowstone network?
It experiences an average of around 1,500 to 2,500 located earthquakes per year! The majority of these earthquakes are too small to be felt by humans but are detected by a sophisticated network of about 50 seismometers called the Yellowstone Seismic Network (YSN).
Is there seismic activity in Yellowstone?
Yellowstone is one of the most seismically active areas in the United States. Approximately 700 to 3,000 earthquakes occur each year in the Yellowstone area; most are not felt.
What’s happening under the ground to cause so many earthquakes in Yellowstone?
Almost all earthquakes at Yellowstone are brittle-failure events caused when rocks break due to crustal stresses. Though we’ve been looking at Yellowstone for years, no one has yet identified “long-period (LP) events” commonly attributed to magma movement.
Is Yellowstone a hotspot?
Yellowstone sits above a melting anomaly within the Earth, called a “hotspot.” This hotspot is powered by a plume of hot (but not molten) material that may extend as deep as the boundary between the planet’s mantle and core.
How deep is the volcanic pipe that was mapped under Yellowstone park?
Some researchers suspect it originates 1,800 miles deep at Earth’s core. The plume rises from the depths northwest of Yellowstone. The plume conduit is roughly 50 miles wide as it rises through Earth’s mantle and then spreads out like a pancake as it hits the uppermost mantle about 40 miles deep.
What is Yellowstone’s star attraction?
Old Faithful One of the star attractions of Yellowstone, the geyser known as Old Faithful is named for the regularity with which it erupted, shooting columns of water high up into the air.
How much magma is underneath Yellowstone?
The first three-dimensional image of the inner workings of the Yellowstone supervolcano has revealed an 11,200-cubic-mile magma reservoir about 28 miles below the surface. A previously known 2,500-cubic-mile magma chamber sits above that, at about 12 miles deep.
https://www.youtube.com/watch?v=g1RnmvFCDVE