Geology of the Hawaiian Island Chain The chain of Hawaiian Islands formed as the Pacific plate moved over a hot spot in the mantle of the Earth. The plate slowly moves northwestward at a rate of about 32 miles per million years. The northwestern islands are older and generally smaller due to prolonged exposure and erosion. Plate tectonics, types of volcanoes, hot spots, and sea mounts, are all an important part of the geology of the hawaiian island chain.
Volcanic emissions are another catastrophic event, and they are brought on by magma getting away from inside the earth. A blast happens, discharging the magma from a bound space, which is the reason there are frequently likewise gigantic amounts of gas and tidy discharged amid a volcanic emission. The magma goes up within the well of lava, and spills out over the encompassing territory as
Then more terror. As the volcano loses energy, the molten rock and ash mix together to create a super heated wave that rushes down the mountain at 80 miles an hour. This burning avalanche is known as a pyroclastic flow.
When Mount Vesuvius erupted in 79 A.D it caused a lot of destruction throughout the region in Italy. In 62 A.D, there was a fatal earthquake that damaged towns, cities, this earthquake set Mount Vesuvius in 79 AD which the volcano erupted strongly with streams of hot gases, molten rock that hit Herculaneum. The city quickly was filled up with ash, pumice, molten rock, hot gases from the volcano. When Pompeii was hit not a while after ash, pumice, molten rock fell on top of the town. Some died in their homes or shops from the buildings collapsing while others died from the poisonous fumes that were ejected out of the volcano.
Convection Currents The Alaskan Way Viaduct will collapse if an earthquake happens. Tectonic plates rubbing together causes an earthquake. What causes them to rub together? An earthquake happens through a sequence of cause and effect. Altogether, temperature, density, and convection currents work together to cause an earthquake.
Natural events such as volcanic eruptions and meteor impacts can cause earthquakes, but most of the naturally-occurring earthquakes are activated by movement of the earth 's plate. The Haiti Earthquake included many details common to Earthquakes and caused damage and destruction to property and lives that affected the region, but the area has recovered in its after math. Many parts of this disaster are common to Earth Quakes like the Haiti Earth Quake .Haitian capital of Port-au-Prince was a part and was also hurt. The disaster was a Earthquake it
Oh my gosh! The ground is rumbling! Could it be… the Yellowstone Caldera? Now, you might be asking “What’s the Yellowstone Caldera?” I would tell you to run, but since it isn’t actually erupting, I’ll tell you what it is.
It is located in Skamania County, Washington which is south of Seattle, Washington and it is 8,336 feet tall. These people died due to being exposed to the hot ash the volcano produced and inhaling it which asphyxiated
Hurricanes can cause natural disasters, destroy many things, and can cause a storm surge. The first effect of a hurricane is, according to “Causes and Effects of Hurricanes,” “When a powerful hurricane hits land, it can cause more damage to life and property than any other natural disaster.” The effects of hurricanes include strong wind, inland flooding, and tornadoes. This means that hurricanes can cause destruction to the earth when the hurricane hits land. This also shows that after a hurricane hits it may cause strong winds, inland flooding, and tornadoes.
The mantle plume itself is traveling toward the northwest part of the island, creating amazing geological features as it goes. Some of Iceland’s unique features include volcanoes, geysers, lava fields, rift valleys, hot springs, and subglacial volcanoes. Currently Iceland has over 20 active volcanoes. The Mid-Atlantic Ridge and the mantle plume create earthquakes and new volcanoes.
Following up the information about the formation and deadliness of volcanoes is an example of a volcano, Mt.Tambora, one of the deadliest volcanoes ever. This volcano erupted over 200 years ago, but made a big impact all around the world. It erupted for three months in total. You could hear the explosions from over 1,000 miles away(Lassieur 4). This covered things in lava and was very hard to recover because the lava cools and hardens turning it into something as hard as bedrock(Lassieur 3).
If fracking is capable of causing temblors as powerful as a 5.7-magnitude, it may be capable of inducing other massive earthquakes in the future. Tremblors with a higher magnitude could cause extensive damage to affected areas, such as what happened to Oklahoma (“Oklahoma’s Largest Quake in Decades Buckles Highway; Rattles Residents,” CNN). Furthermore, areas that are usually not affected by seismic activity are becoming prone to temblors. It may be a possibility that these areas could see a bigger earthquake in the near future too.
Earthquakes are the biggest threat to Juneau. The city has a history of very violent earthquakes. The earthquakes in Juneau are caused by crustal stress accumulated by the North American and Pacific plates. The city also experiences activity from the Queen Charlotte-Fairweather fault system. This fault system has caused large earthquakes in the past.
It’s normally formed from a major eruption then the collapse of the mouth of the volcano. Yes, Axial Seamounts does have a caldera. The caldera is 3 km, which is 1.8 miles. One cool interesting fact I learned, a signal of an Axial Seamount eruption is that there are thousands of earthquakes within minutes. The other one that I thought was cool was, that researchers want to see how Axial Seamounts can affect humans.
A tsunami is a series of great sea waves caused by an underwater earthquake, landslide or volcanic eruption. A tsunami is a series of many waves known as wave trains. A tsunami can also be generated by a giant meteor. Most tsunamis are known to be formed by underwater earthquakes.