Unit 5 Flashcardizz Review

Front

What is the San Andreas Fault?

Back

A famous transform fault located in the western United States that creates significant earthquake activity for California.

Front

What is the focus of an earthquake?

Back

The place where an earthquake originates inside the Earth's surface.

Front

What are extinct volcanoes?

Back

Volcanoes that have not erupted in recorded history.

Front

How many seismograph stations are needed to locate an earthquake epicenter?

Back

A minimum of 3 seismograph stations are needed.

Front

What was the super-continent from 300 million years ago?

Back

Pangaea.

Front

What is the epicenter of an earthquake?

Back

The point on the Earth's surface directly above where an earthquake originates.

Front

What is a dormant volcano?

Back

A volcano that has not erupted in a long time but could potentially erupt again.

Front

What is the difference between active and extinct volcanoes?

Back

Active volcanoes have erupted recently, while extinct volcanoes have not erupted in recorded history.

Front

What is continental drift?

Back

The theory that continents move over geological time across the Earth's surface.

Front

What is a seismograph?

Back

An instrument that measures and records details of earthquakes, such as force and duration.