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Volcanoes - Tanque Verde Unified School District
Volcanoes - Tanque Verde Unified School District

... South America, Cascade mountains in NW USA ...
Document
Document

... a. block enough sunlight to cause global temperatures to drop. b. reflect enough sunlight to cause global temperatures to rise. c. cause a drop only in local temperatures. d. cause a rise only in local temperatures. 3. What is one effect of the drop in global temperatures caused by the eruption of M ...
about volcanoes Power point
about volcanoes Power point

... Understand that there are 3 main types of volcanoes. ...
Volcanoes
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... Volcanoes can be active dormant or extinct. Slieve Gullion is an extinct volcano! The erupsion in Pompeii in 79AD saw plumbs of gas and pumice spew from the volcano – knot lava. The ash and pumice fell up to 25 metres deep covering the town and preserving everything in perfect condition for 2000 yea ...
F08 5 Emplacement
F08 5 Emplacement

... *Longest word in OED and Websters, also mentioned on The Simpsons 2F07 **Prof owned same sporty orange vest in 1980, however his bike was 30% less ...
Volcanoes
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... 29) In the past 50 years, have there been any deaths attributed to a volcanic eruption? 30) Where are the majority of the active volcanoes in the United States? 31) What is the best reason why lava isn't a threat to human life? 32) Which volcanic hazard is responsible for the most deaths? 33) Where ...
Volcanoes
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... St. Helens Eruption. It is a Destructive Plate Boundary or subduction zone. ...
volcano
volcano

... on Earth. For example, in the oceans, Volcanoes can also form where there is stretching and thinning of the crust. For example the Hawaii was created from magma 3,000 km deep in the Earth. Erupting volcanoes have many dangers not only near the eruption. One such danger is that volcanic ash can be a ...
Analysis of Distribution of Volcanoes around the Korean Peninsula
Analysis of Distribution of Volcanoes around the Korean Peninsula

... Since the scale and disaster characteristics of volcanic eruptions are determined by their geological features, it is important not only to grasp the current states of the volcanoes in neighboring countries around the Korean Peninsula, but also to analyze the tectonic settings, tectonic regions, geo ...
Questions For Review KEY
Questions For Review KEY

... These mudflows (LAHARS) develop on snow-capped volcanoes that erupt hot ash and cinders, which melt some of the snow. ...
Volcanoes - BrainPOP
Volcanoes - BrainPOP

... 1. Which of the following is an opinion about volcanic activity? a. Volcanoes are made of hardened lava b. A large number of volcanoes can be found along the edge of the Pacific Ocean c. The 1991 eruption of Mt. Pinatubo was the scariest volcanic event in history d. Shield volcanoes can actually cre ...
Volcano by jose angel garcia gomez and alejandro cuthy gomez
Volcano by jose angel garcia gomez and alejandro cuthy gomez

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The Italian Volcanoes In Italy, there are four active volcanoes, plus
The Italian Volcanoes In Italy, there are four active volcanoes, plus

... In Italy, there are four active volcanoes, plus other zones with volcanic activity of various types. Look at the blank map of Italy and mark the four volcanoes with a red dot. Write the name beside the dot then complete the table. ...
Types of Volcanoes
Types of Volcanoes

... cornfield and grew to be several hundred meters tall in just a few days. This volcano continued to erupt for 9 years and grew to be over 1,300 feet tall. ...
volcanoes - boykinhonors
volcanoes - boykinhonors

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Notes -
Notes -

... Juan de Fuca and the Explorer Plate which are remnants of the much larger Farallon Plate, under the North American Plate and has produced the Cascadia subduction zone. It is a 680-mile long fault, running 50 miles off the west-coast of the Pacific Northwest. It starts from Northern California and st ...
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... There are 33 active volcanoes in the US Most are at convergent plate boundaries in Alaska and N. California, Oregon, and Washington. These are all stratovolcanoes, which are the most dangerous in terms of explosive activity. Some are on or near hotspots: Hawaii’s volcanoes, and Yellowstone Some are ...
Lassen Volcanic National Park
Lassen Volcanic National Park

... Lassen Volcanic National Park is home to smoking fumaroles, meadows freckled with wildflowers, clear mountain lakes, and numerous volcanoes. Jagged peaks tell the story of its eruptive past while hot water continues to mold the land. Lassen Volcanic offers opportunities to discover the wonder and my ...
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... Effects On the Environment Volcanoes are notorious for their devastating effects, not only on human life but also on the global environment. Lava, emission of toxic gases, ash fall, lahars and landslides are some of the most dangerous hazards of volcanic eruptions. Lava flows are usually slow and th ...
VOLCANO NOTES
VOLCANO NOTES

... Caldera: The Spanish word for cauldron, a basin-shaped volcanic depression (hole) or crater at the top of a volcano typically formed by the collapse of volcanoes. Many end up becoming lakes, and are usually 1 mile in diameter. There are 3 classifications of Volcanoes: Active, Extinct, and Dormant ...
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Introduction to volcanoes, volcanic eruptions, and volcanic

... Lower viscosity basaltic lava (mafic) is ~45% to 54% silica ...
What causes a volcanic eruption
What causes a volcanic eruption

... hot enough to melt metal? 3) What word in the text means the same as melted? 4) Using the text, write a definition for each: a) tectonic plates: b) magma: c) fault lines: d) lava: e) crater: 5) Write the correct words to complete the text. A volcanic ______________ occurs when the ____________ in a ...
Volcanoes I - Faculty Washington
Volcanoes I - Faculty Washington

...  Define the following terms or phrases: Shield Volcano, Stratovolcano, Flood Basalts, Lahar, Pyroclastics, Lava.  Distinguish between the volcanism found over hot spots, subduction zones, and spreading centers in terms of their rock composition, volcano type, magma viscosity, and danger.  List an ...
chapter_7_volcanoes
chapter_7_volcanoes

... • Ex. Mount St. Helens; Mt. Vesuvius; Mt. Etna ...
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Cascade Volcanoes



This article is for the volcanic arc. For the namesake mountain range see Cascade Range.The Cascade Volcanoes (also known as the Cascade Volcanic Arc or the Cascade Arc) are a number of volcanoes in a volcanic arc in western North America, extending from southwestern British Columbia through Washington and Oregon to Northern California, a distance of well over 700 miles (1,100 km). The arc has formed due to subduction along the Cascadia subduction zone. Although taking its name from the Cascade Range, this term is a geologic grouping rather than a geographic one, and the Cascade Volcanoes extend north into the Coast Mountains, past the Fraser River which is the northward limit of the Cascade Range proper.Some of the major cities along the length of the arc include Portland, Seattle, and Vancouver, and the population in the region exceeds 10,000,000. All could be potentially affected by volcanic activity and great subduction-zone earthquakes along the arc. Because the population of the Pacific Northwest is rapidly increasing, the Cascade volcanoes are some of the most dangerous, due to their eruptive history and potential for future eruptions, and because they are underlain by weak, hydrothermally altered volcanic rocks that are susceptible to failure. Consequently, Mount Rainier is one of the Decade Volcanoes identified by the International Association of Volcanology and Chemistry of the Earth's Interior (IAVCEI) as being worthy of particular study, due to the danger it poses to Seattle and Tacoma. Many large, long-runout landslides originating on Cascade volcanoes have inundated valleys tens of kilometers from their sources, and some of the inundated areas now support large populations.The Cascade Volcanoes are part of the Pacific Ring of Fire, the ring of volcanoes and associated mountains around the Pacific Ocean. All of the known historic eruptions in the contiguous United States have been from the Cascade Volcanoes. Two most recent were Lassen Peak in 1914 to 1921 and a major eruption of Mount St. Helens in 1980. It is also the site of Canada's most recent major eruption about 2,350 years ago at the Mount Meager volcanic complex.
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