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Geology chapter volcanos
Chapter 13 earth systems volcanoes
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I.Types of Natural Disasters
On Earth, there are numerous types of natural disasters such as tsunamis, earthquakes, thunderstorms, tornadoes, etc. Some occur more than other natural disasters, while others cause more destruction than others. Natural disasters form because of the shifting of earth, the weather, and floods and mudslides.
A.. Most Common Natural Disasters There are some natural disasters that occur more than others. Some examples of most common natural disasters are hurricanes and thunderstorms. Even though these disasters are more common than others, they can cause more damage.
Hurricanes
Hurricanes are a storm of the most intense severity (dictionary.com). Hurricanes develop when seawater comes above
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Least Common Natural Disasters
There are also natural disasters that occur commonly, but can cause a magnificent amount of damage. Some examples of least common disasters are volcanoes and heat waves. Even though volcanoes occur less, they create mass damage. A volcano is a vent in Earth’s crust. What causes volcanoes to erupt is that when magma rises closer to the Earth’s surface, the pressure decreases and the dissolved gases come out of the solution to form bubbles. Then as the bubbles expand, the magma is pushed into the vent until it breaks through weaknesses in the Earth’s crust. There are 3 types of volcanoes. Sleeping volcano, Shield cone volcano, and a stratovolcano. They are different because a sleeping volcano doesn’t have volcanic activity, a shield volcano has runny lava that erupts from the vent in a gushing river, or fountain, and a cinder cone volcano has one vent that erupts ash and rocks that fall in a ring, and a stratovolcano erupts thick, sticky lava that cools and hardens quickly.
2. Heat Waves Heat waves are a long period of time with scorching weather. What causes heat waves is when a system of high atmospheric pressure moves into an area. One of the most powerful heat waves was the “1936 North American Heat wave”, which had record-breaking temperatures, and a loss of 5,000
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To prevent damage, use a lighting conductor. A lighting conductor is a cable made of metal which carries the electricity caused by the lighting into the ground, which creates no damage. As like hurricanes, thunderstorms has also affected the world. Thunderstorms can generate a massive amount of electricity in one strike, which can damage structures.
B. Preventing the least common natural Disasters Preventing volcanoes from creating damage is not a lot. Living near a volcano has greater consequences, rather than living far from a volcano. volcanoes can and had create a massive amount of disaster. The molten lava that erupts from a volcano, can spread through the land and destroy everything in its path. Another effect is that the smoke that comes out of a volcano can affect the people’s health. Heat waves can also be prevented, and has many effects. In order to prevent a heat wave, stay indoors at all times, and don’t go into the sun. Since a heat wave is a long period of abnormally hot weather, the hot weather can affect people. If there is high humidity and high night time temperature combined together, it can become a very deadly pairing, with barely any cures, and becomes a threat to the elderly people. This is how heat waves can be prevented, and the effect it
Through the path of history, there have been several major events that influenced thousands of lives and were significant in forming the world today. One of the largest and deadliest events that occurred in history was a disaster not anybody could control or be held accountable for. This was Hurricane Katrina. On the early Monday morning of August 29th, 2005, a Category 5 rating Hurricane Katrina struck the Gulf Coast of the United States with winds up to 175 miles per hour and a storm surge of 20 feet high. Hurricane Katrina was one of the greatest and most destructive natural disasters recorded to make landfall in the United States. The natural causes of the hurricane, poorly structured levees, disaster inside the Superdome, and the
Volcanoes can be very deadly but the location can also determine that. Zones are what tells people how dangerous they are. In document c it explains each zone. There are five zones by one being the harshest zone and five being the safe zone. People live in all zones and that's not good at all. Documents C says " There is an area around an active event where likelihood to be killed is extremely high." Volcanoes are always capable of surprises and never up to something good.
Hurricanes are extremely large area’s of low pressure that are over the ocean in either the North Atlantic ocean, or the eastern North Pacific Ocean. If a hurricane is in the western Pacific Ocean than it is called a typhoon. One in the Indian Ocean is called a cyclone. The danger region of a hurricane is normally in the Gulf of Mexico or the Atlantic Ocean. The hurricane season is the six month time period from June-November. The peak month of hurricanes is September.
To qualify as a hurricane, it has to have wind speeds of at least 70 miles per hour. Hurricanes have something called categories. there are 5 categories they are just based on the speed of the wind. if it is closer to one than the hurricane isn't that bad, but if it is near five then it's very severe.
Stories about volcanoes are captivating. Myths come in different versions, but all of them are capable of capturing yours, and everybody’s imagination.
Super volcanoes are formed when magma rises from the mantle to create a scorching reservoir in the Earth's
To start off with, a Tornado is a cone-shaped cyclone of powerful wind. Tornadoes are very powerful storms that can rip roofs off of houses. Hurricanes are huge tropical storms. Some Hurricanes can flood colossal houses if not towns. These two disasters are actually very similar.
Natural Disasters can occur anywhere at anytime. Some are more predictable than others, but they all bring hardship to everyone’s life. Examples of natural disasters are Earthquakes (Haiti 2010), Tornadoes, Tsunami, Hurricanes, Wild Fires, Winter Storms, Heat waves, Mudslides and Floods. Regardless of what kind of disaster occurs, bottom line, everyone needs to be prepared mentally and physically to deal with the aftermath. Education is the first step to prepare you to deal with any major disaster. Three of the major disasters that can potentially disrupt normal day to day operations in our lives, are Hurricanes, Tsunamis and Tornadoes.
There are four major types of study that make up a volcanologist or team of volcanologists. These include physical volcanologists, geophysicists, geodesic volcanologists and geochemists (What does a volcanologist do?, n.d.). Physical volcanologists study the actual processes that make up a volcanic eruption. They also study the deposits made during the eruption. Where the rocks from the eruption were distributed and what their makeup is.
Volcanoes can cause damage by spewing lava, but earthquakes before the eruption can also cause damage. These earthquakes open fissures and let magma out to the surface. When the magma exits these fissures, streams of lava up to hundreds of feet can shoot into the air. The picture below shows the lava erupting from the fissures created by the earthquakes in...
To begin, earthquakes are more dangerous than hurricanes because they can severely damage man-made structures. In "Earthquakes: effects" the San Francisco earthquake of 1906 reportedly "caused 90% of damage by fire," (paragraph 9). This examplifies that fires started by earthquakes can cause damage to man-made structures, such as large buildings and houses. This may also prove that earthquakes can create multiple other
A volcano is landform (generally a mountain) where, during an eruption, ash, gas and molten rock (magma) escape through the Earths surface
There are different types and causes of disasters: man-made, natural and a combination. Man-made disasters are caused by human error or human actions that cause harm to the environment, and people (Baack & Alfred, 2013). Natural disasters are caused by nature, a hurricane for example, and a combination of NA-TECH (natural-technological). Examples are earthquakes that cause structural damage such as a collapse of a bridge (Nies & McEwen, 2011). Communities must have effective emergency preparedness in place to reduce the casualties of a disaster.
Volcanoes are formed when magma is expelled from the Earth’s surface, resulting in volcanic eruptions consisting of ash and lava. Over time, the lava cools and forms into rock on the Earth’s surface. Whenever an eruption occurs, the newly-formed rock from the lava layers continuously until the volcano takes its shape. Volcanic eruptions have taken place for thousands of years, and even today, according to the U.S Geological Survey (2010), there are approximately 1500 active volcanoes located throughout the world.
Once there was a tri-state tornado. It was when a tornado had two or three tornadoes strung to it . so when one ended the other one started. It claimed 689 lives and almost half was in the town of Murphysboro, Illinois. Some flooding like flash floods only happen in a little area and short lived, but large floods can be devastating. It can take weeks to recover. Now we have dams that can regulate the flow of a river. In 1888, New York City they received over 40 inches of snow. It was called The Great Blizzard. Blizzards are a combinations of heavy snow and low temperatures and strong winds. Whether is all around us it can be good and bad weather , but are you prepared for the worse weather that may