Don't Blow Your Top
Johnny Cash made this song as a tribute to this horseshoe-shaped belt of volcanoes located around the Pacific Ocean.
What is the Ring of Fire?
This scale measures an earthquake's magnitude.
What is the Richter scale?
A fold where rock layers slope towards the central axis of the fold, with layers looking like a right-side-up "U".
What is syncline?
What is the correct pronunciation of the theory that posits there was once a supercontinent encompassing all land masses.
What is Pangea?
This term applies to a line of volcanoes that run parallel to a deep ocean trench.
What is "volcanic arc?"
This scale measures an earthquake's intensity or effect.
What is the Mercalli scale?
A tectonic plate boundary where plates are moving apart from each other, such as at a mid-ocean ridge.
What is a divergent boundary?
The presence of similar animal fossils on these two modern day continents was the basis for one of Wegener's arguments.
What is Africa and South America?
This type of volcano has a broad dome shape.
What is a shield volcano?
P-Wave, S-waves, and this type of waves comprise the three seismic waves.
What are surface waves?
A fault that is close to vertical in Earth's crust and which has movement that is horizontal rather than vertical.
What is strike-slip faulting?
The presence of similar types of these objects in the Appalachian Mts. and Great Britain served as the proof for one one of Wegner's arguments.
What is rock types?
Composite cone volcanoes are often produced by this?
What is a violent eruption?
The book identifies these four events as being the cause for earthquakes.
What are 1) landslides, 2) meteorite strikes, 3) sudden movement along faults, and 4) volcanic eruptions?
A low-lying, ring-shaped island or group of islands composed of coral reefs and that surrounds a central lagoon.
What is an atoll?
Alfred Wegner publish his article arguing for "continental drift" in this century.
What is the 20th century?
This type of volcano is built from loose pyroclastic material such as cinders and papilla.
What are cinder cone volcanoes?
This is the term used for the study of Earthquakes.
What is seismology?
The very level area of the ocean floor, found between the continental rise and mid-ocean ridges.
What is the abyssal plain?
Scratches in rocks helped infer movement of these, further supporting Wegener's theories.
What is glaciers?