Super volcanoes Flashcards Preview

A2 Geography Hazardous Earth > Super volcanoes > Flashcards

Flashcards in Super volcanoes Deck (3):
1

What is a super volcano

A volcano that erupts more than 1000km3 in a single eruption event is known as a super volcano

2

Case study - Yellowstone super volcano

Activity begun about 2 million years ago
Led to formation of a giant caldera
2 eruptions further
Ash fall covered most of north America

3

What are the climate consequences is yellowstone erupts

Gases and tint particulates carried around globe and upper atm
This would have caused a noticeable decrease in global temperatures