Lava dome

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    andesitic and dacitic lava flows, which form an extensive apron around the volcano on all sides but the south. Records of historical eruptions date back to 1750” (Global Volcanism Program). It cannot be said for certain when the volcano’s early activity started simply due to the lack of record-keeping prior to the eighteenth century, as well as the general lack of technology that could have been used to measure volcanic activity in earlier history. During the recorded 1988 activity, “Lavas…

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    it unstable. An explosive eruption will cause rocks and ash to fall from the sky. An eruption can be caused from the cone of the volcano to fall in on itself making the lava come out of the volcano in a river like a stream. An earthquake can cause a volcano to erupt from the tectonic plates rising up and pushing out the lava.…

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    There are many different aspects in the world of geology. Something that I want to focus on are hydrothermal vents. Hydrothermal vents are like chimney shaped hot springs that are located on the ocean floor. Hydrothermal vents were first discovered in 1977 near the Galapagos Islands in the eastern Pacific. Scientists exploring the area along the mid-oceanic ridge had noticed drastic temperature changes in their data. With the help of ALVIN, a research deep sea submersible, they discovered vents…

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    Explosive volcanoes are one of the most dangerous natural occurrences on the planet, but the types of volcanoes that can destroy the world are know as super volcanoes. Super volcanoes are determined by past explosion and this volcano can be located in the United States called Yellow Stone. Their criteria also depend on the volume of an eruption, for a super volcano the eruption must be more than 240 cubic miles of pumas and ash. There had been three super explosions that fit the criteria at…

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    The Galapagos Island is apart of Ecuador that caused by the volcanic eruption and lava accumulation of many years ago, It’s a paradise for most adventurer. On the Galapagos have a many creatures and species even though plants and animals. So they are not in another islands and we have an example to show you all. “Galapagos tortoises” are known to be the biggest and oldest tortoises in the world. The average life span of these tortoises are 170 years or more because they are listed as endangered…

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    around 3.9 from now. It went dormant leaving the present state of Oahu Island. The Hanauma bay is also the result of this volcanic activity. The important feature of its geography is that a ring shape bay is form with the curvature of Lava flow. One can see the solidified lava as a ring form near the bay as small mount. This ring shape makes this bay a unique one on planet Earth. It has very shallow water and the…

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    Mount ST. Helens The eruption of Mount ST. Helens changed people’s lives because it destroyed everything in its path. The volcano erupted at 8:32 a.m. on May 18, 1980. The eruption caused snow on the mountain to melt and the snow flooded the roads and bridges. The eruption sprayed a thick layer of volcanic ash over a huge area. If you do not know what Mount ST. Helens is, well it is a volcano that erupted in the year 1980. Mount ST. Helens is located in the Cascade mountain ninety-five miles…

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    Kilauea Research Paper

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    Mt.Kilauea is a volcano that makes up the southeastern side of the island Hawaii. Mt Kilauea has had more than 60 eruptions and has been erupting continuously since Jan. 3, 1983.Kilauea is thought to have killed around 80 people when it erupted without warning in the late 1780s.Most recently 2,000 people to evacuate thier homes.The volcano’s elevation is 4,091.Mt.Kilauea is a shield volcano which are the largest volcanos in the world.Kilauea is one of five volcanoes that make up Hawaii. The…

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    Mount Cleveland is one of Alaska’s most active volcanoes. It has erupted more than 20 times in 230 years. Mount Cleveland is a nearly symmetrical, stratovolcano on the western end of Chuginadak Island, which is part of the Islands of Four Mountains. The Islands of Four Mountains are just west of Umnak Island in the Fox Islands located in the Aleutian Islands of Alaska. In 1894 a team from the U.S. Coast and Geodetic Survey (formerly the United States Survey of the Coast) visited the island and…

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    What do you think of when you hear the word “volcano”, a prodigious eruption? The city of Pompeii (which was destroyed by lava)? The amount of volcanoes and their eruption frequencies? Well, these are the most common responses, but do you ever think of the gratifying consequences of a volcanic eruption? Well, it is true, volcanoes are commendable! The mineral and nutrients found in the rocks and ashes of the aftermath a volcano helps enrich the soil. While I’m on that topic, the article states…

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