Volcanoes
A volcano that erupted 100 years ago and could possibly erupt again is called a __________ volcano.
What is dormant?
When the edges of a volcano bulge or swell outward before an eruption this type of monitoring is used.....
What is ground deformation?
These things cause tsunamis to form.....
What are underwater landslides, earthquakes, volcanoes?
The type of boundary that pushes tectonic plates together and force one beneath the other is called a __________ boundary.
Some volcanoes are formed by hotspots, what is a hotspot.
A place that forms volcanoes that is not near a plate boundary.
A tsunami wave will do this as it approaches the shore..
What is slow down?
Dangers of volcanoes are incredibly hot _______,__________________, and poisonous gases.
What are lava, and pyroclastic flow?
Hotspots form volcanoes and create island chains, where is the youngest island located?
What is over the hotspot?
The DART buoy system measures which two things?
What are seismic activity and sea surface changes?
Scientists analyze earthquake activity by ___________ monitoring.
What is seismic?
In an island chain, the farther an island is the __________ it is.
What is older?
As a tsunami wave reaches the shore, the height of the wave does this.....
What is grow higher?
Scientists take samples of the air surrounding volcanoes in ___________ monitoring.
What is gas?
Name two types of information gathered by the DART system.
What are seismic activity, and sea surface changes?