Volcanic Activity in the Big Pine Field

The video discusses California's volcanic activity, highlighting its 11 active volcanoes and dormant ones. It focuses on the Big Pine Volcanic Field, detailing its history, geological formation, and eruption patterns. The field's eruptions are linked to fault lines and mantle activity. The video concludes with acknowledgments.

Which state is the third most likely to experience a volcanic eruption in the lower 48 U.S. states?

• Washington

• Alaska

• California

• Hawaii

What is the name of the volcanic field located in Owens Valley?

• Lassen Volcanic Field

• Mount Shasta

• Big Pine Volcanic Field

• Salton Buttes

How many cinder cones are found in the Big Pine Volcanic Field?

• None

• Over two dozen

• Less than ten

• Exactly fifty

What geological feature influences the volcanic activity in the Big Pine Volcanic Field?

• Oceanic trenches

• Mountain peaks

• Fault lines

• River valleys

What is the process called when the crust spreads apart, creating fault lines?

• Subduction

• Convection

• Extension

• Compression

When did the first volcanic eruption occur in the Big Pine Volcanic Field?

• 500,000 years ago

• 10,000 years ago

• 2 million years ago

• 1.3 million years ago

What type of volcanic feature is Crater Mountain?

• Lava dome

• Composite volcano

• Cinder cone

• Shield volcano

How long did the eruption of Crater Mountain last?

• 6 months

• 18 months

• 2 years

• 5 years

What type of lava covered 11.7 square miles during the Crater Mountain eruption?

• Rhyolite

• Basalt

• Andesite

• Dacite

When did the most recent volcanic activity occur in the Big Pine Volcanic Field?

• 50,000 years ago

• 100,000 years ago

• 21,000 years ago

• 16,700 years ago