Which ash seems to be most similar in composition to the ashfall sample?
Bruneau-Jarbridge ash
How does the formation of a supervolcano different from that of a regular volcano?
A supervolcano is a volcano on a massive scale. It is different from a volcano because: a supervolcano erupts less frequently – eruptions are hundreds of thousands of years apart.
Who discovered super volcanoes?
Mike Voorhies
Why are there dead trees along the caldera rim at South Creek Dome?
-There are trees along the Caldera Rim at Sour Creek Dome because CO2 suffocating the roots of the trees 9.
What are two clues as to when the Yellowstone volcano will erupt again?
The USGS said it does not know when Yellowstone will erupt but deep volcanic activity, caldera uplift and frequent earthquakes are all reminders the supervolcano is far from being dormant. By some estimates, the US might have to wait for another one or two million years before the supervolcano finally blows.
Can a town’s water supply become contaminated when a volcano is restless?
Q: Can a town’s water supply become contaminated when a volcano is restless? A: Yes, but probably not as quickly as shown in the movie. Some volcanic gases such as sulfur dioxide dissolve in groundwater, making the water acidic.
What is wrong with Dante’s Peak?
Volcanic gases belching from the lake bottom can’t acidify an entire lake in a matter of hours, debunkers have shown. However, extremely acidic fluids could dissolve Grandma’s legs and kill her from shock, as well as eat holes in the boat.
What was inaccurate about Dante’s Peak?
“In that part of the movie, time was really collapsed, in probably a way that was unreasonable,” Hill said. “The special effects were really impressively done, and especially the pyroclastic flow [of hot rocks and gases]. But those Hawaii-type lava flows really don’t fit in with that kind of volcanic eruption.
Are there any restless volcanoes in the US today?
“There are about 169 volcanoes in the United States that scientists consider active. Others are located throughout the west and in Hawaii (see our Volcano Activity Map for their locations). Kilauea volcano in Hawaii is one of the most active volcanoes on Earth. It has been erupting almost continuously since 1983.”