Plate-tectonics
The theory explaining the structure of the earth's crust as resulting from the interaction of lithosphere plates moving slowly over the underlying mantle
What is plate-tectonics?
A sudden and violent shaking of the ground, sometimes causing great destruction, as a result of movements within the earth's crust or volcanic action
What is an earthquake?
Is a vast and a continuous frame of salty water that shelters almost 70 percent of the total earth's surface
What is the ocean?
A mountain or hill having a crater or vent which lava, rock fragments, hot vapor, and gas are being or have been erupted from the earth's crust
What is a volcano?
The term literally meaning a harbor wave.
What is a tsunami?
The three kinds of plate-tectonic boundaries
What are divergent, convergent, and transform?
He invented the Richter Scale
Who is Charles Richter?
The world's largest living structure
What is The Great Barrier Reef?
The production of lightning in a volcanic plume
What is volcanic lightening?
A series of waves in a tsunami
What is a wave train?
Two plates that slide past each other
How do earthquakes occur?
"The Earthquake Capital of the World"
What is Parkfield, California?
Underwater areas of the ecosystem with a high density of kelp, which covers about 25% of the world's coastlines
What are kelp forest?
Known for its major eruption on May 18, 1980 in the Cascade Range
What is Mount St. Helens?
The Greek historian who first associated the term tsunamis with underwater volcanoes
Who was Thucydides?
Remembered as the originator of the theory of continental drift in 1912
Who is Alfred Wegener?
People of Ancient Greece who believed this god of sea caused earthquakes when mad
Who was Poseidon?
The longest underwater mountain range
What is the Mid-Oceanic Ridge?
This place was destroyed and buried under volcanic ash and pumice in the eruption of Mount Vesuvius in 79 AD.
What is Pompeii?
80% of all tsunamis occur here
What is the Pacific Ocean's Ring of Fire?
This is one of the smallest of Earth's tectonic plates
What is Juan de Fucca Plate?
Made up of many faults, this is one of the longest fault zones in the world
What is San Andres fault?
The deepest known point in the Earth's ocean
What is the Challenger Deep?
Consists of fragments of rock, minerals, and volcanic glass, created during volcanic eruptions
What is volcanic ash?
Tsunami warning center headquartered on Ford Island, HI
What is the Pacific Tsunami Warning Center (PTWC)?