people, spread ash that caused ic, glassy airborne particles, and ifty bridges.
ID: 295680 • Letter: P
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people, spread ash that caused ic, glassy airborne particles, and ifty bridges. Very recently, ash from Iceland's Eyjafjallajökull disrupted European air traffic for a week at a cost of more than $200 of Pompeii and its citizens in A.D. 79, and when Mount St. Helens in Washing ton State e people to wear surgical masks to avoid the caust destroyed close to f in 2010 mill ion. In Exercise 5.14, we will consider some of the practical aspects of living an area with volcanic activity and then examine the damage that might occur in CISE 5.14 Living with Volcanoes Name Course: Section: Date: Let's consider the map below. It shows current and potential volcanic activity for the United States (a) What area of the United States has the most volcanic activity? Why is this so? (b) What volcanic hazards do residents of the Pacific Northwest have to be concerned about that residents of Hawaii do not? Explain. (continued) 5.6 VOLCANIC HAZARDS 129Explanation / Answer
1) The western North america is having lager volcanic activity. The southern Alaska, California, Nevada, Oregon, Washington, etc. are the areas having most volcanic activity these areas are showing volcanic activity due to the San Andreas continental transforn fault which is the major cause of volcanism in these areas.
2)The volcanic hazard the people of the Pacific Northwest has to concerned about is the heavy and explosive type of volcanic eruption caused due to the subduction of the Pacific plate underneath the North America plate and causes violent type of eruption, which gives less or no time to evacuate safely.
While the Hawiian volcanism is due to Hotspot activity and the eruption over there is quiet type and gives times to evacute safely.
3) No there is no risk of volcanism occuring on the Atlantic coast as because the coastal part of the Atlantic ocean lies in the middle of the tectonis plate (like in north american plate and south american plate) and not at the margins. But the volcanism is the characteristic of plate margin
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