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Izu Peninsula
The is a large mountainous peninsula with a deeply indented coastline to the west of Tokyo on the Pacific coast of the island of Honshu, Japan. Formerly known as Izu Province, Izu peninsula is now a part of Shizuoka Prefecture. The peninsula has an area of and its estimated population in 2005 was 473,942 people. The peninsula’s populated areas are located primarily on the north and east. Geology Tectonically, the Izu peninsula results from the Philippine Sea Plate colliding with the Okhotsk Plate at the Nankai Trough. The Philippine Sea Plate, the Amurian Plate, and the Okhotsk Plate meet at Mount Fuji, a triple junction. The peninsula itself lies on the Philippine Sea Plate. The southern portion of the peninsula is composed largely of breccia, and the central and northern portions consist of numerous highly eroded volcanoes. The Amagi Mountain Range dominates the center of the peninsula with Mount Amagi () and Mount Atami () in the east and Mount Daruma () in the w ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Shizuoka Prefecture
is a prefecture of Japan located in the Chūbu region of Honshu. Shizuoka Prefecture has a population of 3,637,998 and has a geographic area of . Shizuoka Prefecture borders Kanagawa Prefecture to the east, Yamanashi Prefecture to the northeast, Nagano Prefecture to the north, and Aichi Prefecture to the west. Shizuoka is the capital and Hamamatsu is the largest city in Shizuoka Prefecture, with other major cities including Fuji, Numazu, and Iwata. Shizuoka Prefecture is located on Japan's Pacific Ocean coast and features Suruga Bay formed by the Izu Peninsula, and Lake Hamana which is considered to be one of Japan's largest lakes. Mount Fuji, the tallest volcano in Japan and cultural icon of the country, is partially located in Shizuoka Prefecture on the border with Yamanashi Prefecture. Shizuoka Prefecture has a significant motoring heritage as the founding location of Honda, Suzuki, and Yamaha, and is home to the Fuji International Speedway. History Shizuoka ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Volcano
A volcano is a rupture in the Crust (geology), crust of a Planet#Planetary-mass objects, planetary-mass object, such as Earth, that allows hot lava, volcanic ash, and volcanic gas, gases to escape from a magma chamber below the surface. On Earth, volcanoes are most often found where list of tectonic plates, tectonic plates are divergent boundary, diverging or convergent boundary, converging, and most are found underwater. For example, a mid-ocean ridge, such as the Mid-Atlantic Ridge, has volcanoes caused by divergent tectonic plates whereas the Pacific Ring of Fire has volcanoes caused by convergent tectonic plates. Volcanoes can also form where there is stretching and thinning of the crust's plates, such as in the East African Rift and the Wells Gray-Clearwater volcanic field and Rio Grande rift in North America. Volcanism away from plate boundaries has been postulated to arise from upwelling diapirs from the core–mantle boundary, deep in the Earth. This results in hotspot ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Shimoda, Shizuoka
270px, Shimoda City Hall is a city and port located in Shizuoka Prefecture, Japan. , the city had an estimated population of 21,402 in 10,787 households, and a population density of 200 persons per km2. The total area of the city is . In the 1850s, Japan was in political crisis over its increasing inability to maintain its national seclusion policy and the issue of what relations, if any, it should have with foreign powers. For a few years, Shimoda was central to this debate. Geography Shimoda is located at the southern tip of the Izu Peninsula about 100 kilometres southwest of Tokyo. Shimoda's location, with the Amagi Mountains to the north, and the warm Kuroshio Current to the south give the city a humid, sub-tropical climate. Surrounding Municipalities *Shizuoka Prefecture ** Minamiizu ** Kawazu ** Matsuzaki Demographics Per Japanese census data, the population of Shimoda has been in slow decline over the past 40 years. Climate The city has a climate characterized b ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mishima, Shizuoka
Mishima City Hall is a city located in eastern Shizuoka Prefecture, Japan. , the city had an estimated population of 109,803 in 49,323 households, and a population density of 1800 persons per km². The total area of the city is . Geography Mishima is located in far eastern Shizuoka Prefecture, at the northern end of Izu Peninsula and in the foothills of Mount Fuji. Surrounding municipalities *Shizuoka Prefecture **Numazu **Susono ** Kannami ** Shimizu ** Nagaizumi *Kanagawa Prefecture **Hakone Demographics Per Japanese census data, the population of Mishima has remained stable over the past 25 years. Climate Mishima has a humid subtropical climate (Köppen climate classification ''Cfa'') with hot summers and cool winters. Precipitation is significant throughout the year, but is heaviest from June to September. The average annual temperature in Mishima is . The average annual rainfall is with September as the wettest month. The temperatures are highest on average in Augu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Izunokuni
270px, Izunokuni City Hall is a city located in Shizuoka Prefecture, Japan. , the city had an estimated population of 48,579 in 21,257 households and a population density of 506 persons per km2. The total area of the city is . Geography Izunokuni is located on the northern "neck" of the Izu Peninsula in eastern Shizuoka Prefecture. The region is hilly, with numerous hot springs. The climate of the region is temperate maritime, with hot, humid summers and short, cool winters, with the warm Kuroshio Current offshore having a moderating effect. Surrounding municipalities *Atami *Izu * Itō *Numazu *Kannami Demographics Per Japanese census data, the population of Izunokuni has been relatively stable over the past 30 years. Climate The city has a climate characterized by characterized by hot and humid summers, and relatively mild winters (Köppen climate classification ''Cfa''). The average annual temperature in Izunokuni is 16.0 °C. The average annual rainfall is 1981&n ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Izu, Shizuoka
is a city located in central Izu Peninsula in Shizuoka Prefecture, Japan. , the city had an estimated population of 30,678 in 13,390 households, and a population density of 84 persons per km2. The total area of the city was . Geography Izu is located in the north-central portion of the Izu Peninsula, and includes most of the Amagi Mountains. The region is hilly and some 80% of the city area is covered by forest. The Kano River runs through the city, which has a short coastline to the west on Suruga Bay of the Pacific Ocean. The area is part of the Izu-Tobu volcanic region, and is therefore subject to frequent earthquakes, and the city also has numerous hot springs as a result. Warmed by the Kuroshio Current, the area enjoys a warm maritime climate with hot, humid summers and mild, cool winters. Surrounding municipalities *Shizuoka Prefecture ** Numazu ** Izunokuni ** Itō ** Higashiizu ** Kawazu ** Nishiizu Demographics Per Japanese census data, the population of Izu has be ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Itō, Shizuoka
280px, Itō City Hall is a city located on the eastern shore of the Izu Peninsula in Shizuoka Prefecture, Japan. , the city had an estimated population of 68,773 in 36,717 households and a population density of 550 persons per km². The total area was . Geography Itō is located in eastern Shizuoka Prefecture, on the northeast corner of Izu Peninsula, facing Sagami Bay on the Pacific Ocean. The landscape is hilly, and the heavily indented coastline is scenic. Much of the coastal area of the city is within the Fuji-Hakone-Izu National Park. The city is located within the Izu-Tobu volcanic zone, and is subject to frequent earthquakes. The area is noted for its onsen hot spring resorts. Surrounding municipalities Shizuoka Prefecture *Atami *Izu * Izunokuni * Higashiizu Demographics Per Japanese census data, the population of Itō peaked in around the year 2000, and has declined slightly since. Climate The city has a climate characterized by hot and humid summers, a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Atami
is a city located in Shizuoka Prefecture, Japan. , the city had an estimated population of 36,865 in 21,593 households and a population density of 600 persons per km2. The total area of the city is . Geography Atami is located in the far eastern corner of Shizuoka Prefecture at the northern end of Izu Peninsula. The city is on the steep slopes of a partially submerged volcanic caldera on the edge of Sagami Bay. The name "Atami" literally means "hot ocean," a reference to the town's famous ''onsen'' hot springs. The city boundaries include the offshore island of Hatsushima. Most of Atami is located within the Fuji-Hakone-Izu National Park. Warmed by the Kuroshio Current offshore, the area is known for its moderate maritime climate with hot, humid summers, and short winters. Surrounding municipalities *Shizuoka Prefecture ** Kannami ** Izunokuni ** Itō *Kanagawa Prefecture ** Yugawara Demographics Per Japanese census data, the population of Atami has been in slow decline o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hot Springs
A hot spring, hydrothermal spring, or geothermal spring is a spring produced by the emergence of geothermally heated groundwater onto the surface of the Earth. The groundwater is heated either by shallow bodies of magma (molten rock) or by circulation through faults to hot rock deep in the Earth's crust. In either case, the ultimate source of the heat is radioactive decay of naturally occurring radioactive elements in the Earth's mantle, the layer beneath the crust. Hot spring water often contains large amounts of dissolved minerals. The chemistry of hot springs ranges from acid sulfate springs with a pH as low as 0.8, to alkaline chloride springs saturated with silica, to bicarbonate springs saturated with carbon dioxide and carbonate minerals. Some springs also contain abundant dissolved iron. The minerals brought to the surface in hot springs often feed communities of extremophiles, microorganisms adapted to extreme conditions, and it is possible that life on Earth had ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tsunami
A tsunami ( ; from ja, 津波, lit=harbour wave, ) is a series of waves in a water body caused by the displacement of a large volume of water, generally in an ocean or a large lake. Earthquakes, volcanic eruptions and other underwater explosions (including detonations, landslides, glacier calvings, meteorite impacts and other disturbances) above or below water all have the potential to generate a tsunami. Unlike normal ocean waves, which are generated by wind, or tides, which are in turn generated by the gravitational pull of the Moon and the Sun, a tsunami is generated by the displacement of water from a large event. Tsunami waves do not resemble normal undersea currents or sea waves because their wavelength is far longer. Rather than appearing as a breaking wave, a tsunami may instead initially resemble a rapidly rising tide. For this reason, it is often referred to as a tidal wave, although this usage is not favoured by the scientific community because it might g ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Earthquake Swarm
In seismology, an earthquake swarm is a sequence of seismic events occurring in a local area within a relatively short period. The time span used to define a swarm varies, but may be days, months, or years. Such an energy release is different from the situation when a major earthquake (main shock) is followed by a series of aftershocks: in earthquake swarms, no single earthquake in the sequence is obviously the main shock. In particular, a cluster of aftershocks occurring after a mainshock ''is not'' a swarm. History and generalities In the Ore Mountains (Erzgebirge), which form the border between the Czech Republic and Germany, western Bohemia and the Vogtland region, have been known since the 16th century as prone to frequent earthquake swarms, which typically last a few weeks to a few months. Austrian geologist Josef Knett, while studying in 1899 a swarm of about a hundred events felt in western Bohemia/Vogtland in January-February 1824, coined the noun ''Schwarmbeben'', ' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Graben
In geology, a graben () is a depressed block of the crust of a planet or moon, bordered by parallel normal faults. Etymology ''Graben'' is a loan word from German, meaning 'ditch' or 'trench'. The word was first used in the geologic context by Eduard Suess in 1883. The plural form is either ''graben'' or ''grabens''. Formation A graben is a valley with a distinct escarpment on each side caused by the displacement of a block of land downward. Graben often occur side by side with horsts. Horst and graben structures indicate tensional forces and crustal stretching. Graben are produced from parallel normal faults, where the displacement of the hanging wall is downward, while that of the footwall is upward. The faults typically dip toward the center of the graben from both sides. Horsts are parallel blocks that remain between graben; the bounding faults of a horst typically dip away from the center line of the horst. Single or multiple graben can produce a rift valley. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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