Science Vocab: Earthquakes/Volcanoes

Front

The second type of wave from the earthquake moves in a side-to-side 'S' shape like a rope.

Back

Secondary wave

Front

Pat, a seismologist, studied last night’s earthquake. The point on Earth’s surface directly above where it began was only 8 miles from her favorite historic museum.

Back

Epicenter

Front

Last night's earthquake registered a 6.7 on the Richter Scale.

Back

Magnitude

Front

Hawaii, made entirely of volcanoes, sits atop a _____________.

Back

Hot spot

Front

Hawaiian Islands are formed by volcanoes with broad, gently sloping sides classified as _________________.

Back

Shield Volcanoes

Front

When Mt. St. Helens erupted, large pieces of rock and ash called __________ flew through the air.

Back

Tephra

Front

Volcano with steep sides made of ash: ____________________

Back

Cinder cone volcano

Front

Last wave from the earthquake causing most damage, slowest, rolls on Earth: ____________________

Back

Surface wave

Front

First seismic wave experienced during an earthquake, moves like a slinky.

Back

Primary wave

Front

Eruption of Mt. Vesuvius in 79 AD is one of the most famous eruptions in history. This type of volcano is tall and made of layers of lava and tephra.

Back

Composite Volcano