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Mount Ontake
, also referred to as , is the 14th highest mountain and second highest volcano in Japan (after Mount Fuji) at . It is included in ''100 Famous Japanese Mountains''. Description Mt. Ontake is located around northeast of Nagoya, and around 200 km (125 mi) west of Tokyo, at the borders of Kiso and Ōtaki, Nagano Prefecture, and Gero, Gifu Prefecture. The volcano has five crater lakes, with at being the highest mountain lake in Japan. Ontake is a major sacred mountain, and following older shamanistic practices, actors and artists have gone to the mountain to put themselves into trances in order to get divine inspiration for their creative activities. Eruptions Ontake was thought to be inactive until October 1979, when it underwent a series of explosive phreatic eruptions which ejected 200,000 tons of ash, and had a volcanic explosivity index (VEI) of 2. There were minor non-explosive (VEI 0) phreatic eruptions in 1991 and 2007. On Saturday, September 27, 2014, at ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Japan National 361
Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north toward the East China Sea, Philippine Sea, and Taiwan in the south. Japan is a part of the Ring of Fire, and spans an archipelago of 6852 islands covering ; the five main islands are Hokkaido, Honshu (the "mainland"), Shikoku, Kyushu, and Okinawa. Tokyo is the nation's capital and largest city, followed by Yokohama, Osaka, Nagoya, Sapporo, Fukuoka, Kobe, and Kyoto. Japan is the eleventh most populous country in the world, as well as one of the most densely populated and urbanized. About three-fourths of the country's terrain is mountainous, concentrating its population of 123.2 million on narrow coastal plains. Japan is divided into 47 administrative prefectures and eight traditional regions. The Greater Tokyo Area is the mos ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Phreatic Eruption
A phreatic eruption, also called a phreatic explosion, ultravulcanian eruption or steam-blast eruption, occurs when magma heats ground water or surface water. The extreme temperature of the magma (anywhere from ) causes near-instantaneous evaporation of water to steam, resulting in an explosion of steam, water, ash, rock, and volcanic bombs. At Mount St. Helens in Washington state, hundreds of steam explosions preceded the 1980 Plinian eruption of the volcano. A less intense geothermal event may result in a mud volcano. Phreatic eruptions typically include steam and rock fragments; the inclusion of liquid lava is unusual. The temperature of the fragments can range from cold to incandescent. If molten magma is included, volcanologists classify the event as a phreatomagmatic eruption. These eruptions occasionally create broad, low-relief craters called '' maars''. Phreatic explosions can be accompanied by carbon dioxide or hydrogen sulfide gas-emissions. Carbon dioxide c ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Three-thousanders (in Japan)
There are 21 three-thousanders (mountains with elevations of or greater) in Japan. The tallest is Mount Fuji, at . Geography There are three-thousanders in the following regions: * The ''independent peaks'' of Mount Fuji and Mount Ontake. * In the '' Hida Mountains'' ("Northern Alps") are Mount Okuhotaka, Mount Yari, Mount Karasawa, Mount Kitahotaka, Mount Ōbami, Mount Maehotaka, Mount Naka, Mount Minami, Mount Norikura and Mount Tate. * In the '' Akaishi Mountains'' ("Southern Alps") are Mount Kita, Mount Aino, Mount Warusawa, Mount Akaishi, Mount Arakawa, Mount Nishinōtori, Mount Shiomi, Mount Senjō and Mount Hijiri. The next tallest mountain is Mount Tsurugi, which has a height of . In the areas exceeding above sea level, there is a belt of Siberian dwarf pine; the alpine plant grows here naturally. The Siberian dwarf pine belt is a key habitat of the rock ptarmigan. 21 mountains References See also * List of mountains in Japan * 100 Famous Japanese Mounta ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ontake Prefectural Natural Park
is a Prefectural Natural Park in western Nagano Prefecture, Japan. Established in 1952, the park's central feature is Mount Ontake. The park spans the borders of the municipalities of Kiso and Ōtaki. See also * National Parks of Japan National may refer to: Common uses * Nation or country ** Nationality – a ''national'' is a person who is subject to a nation, regardless of whether the person has full rights as a citizen Places in the United States * National, Maryland, c ... References External links *Map of the parks of Nagano Prefecture Parks and gardens in Nagano Prefecture Protected areas established in 1952 1952 establishments in Japan Kiso, Nagano (town) Ōtaki, Nagano {{Japan-protected-area-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of Volcanoes In Japan
This is a list of active and extinct volcanoes in Japan. An Orange background indicates a volcano considered active by the Japan Meteorological Agency. Hokkaido Honshū Izu Islands Ogasawara Archipelago The Ogasawara Archipelago include the Bonin Islands and Volcano Islands. Kyūshū Ryūkyū Islands See also * Notes and references Notes References External links Quaternary Volcanoes of Japan- Geological Survey of Japan - Geological Survey of Japan * ttp://www.data.jma.go.jp/svd/vois/data/tokyo/STOCK/souran_eng/souran.htm The National Catalogue of the Active Volcanoes in Japan- Japan Meteorological Agency 日本の主な山岳標高 (Elevation of Principal Mountains in Japan)- Geospatial Information Authority of Japan {{Asia topic, List of volcanoes in Japan Lists of coordinates Volcanoes A volcano is a rupture in the crust of a planetary-mass object, such as Earth, that allows hot lava, volcanic ash, and gases to escape from a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of Ultras Of Japan ...
This is a list of all the Ultra prominent peaks (with topographic prominence greater than 1,500 metres) in Japan. See also *List of mountains in Japan Sources ListMap {{DEFAULTSORT:List Of Ultras Of Japan Japan Ultras Mountains of Japan Ultras Ultras are a type of association football fans who are renowned for their fanatical support. The term originated in Italy, but is used worldwide to describe predominantly organised fans of association football teams. The behavioural tende ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of Mountains In Japan ...
The following is a list of the mountains and hills of Japan, ordered by height. Mountains over 1000 meters Mountains under 1000 meters As the generally accepted definition of a mountain (versus a hill) is 1000 m of height and 500 m of prominence, the following list is provided for convenience only. See also * List of Japanese prefectures by highest mountain References External links Mt. Nakanodake：Hiking route｜Snow Country* * Japan 100 Mountains {{DEFAULTSORT:List Of Mountains And Hills Of Japan By Height Mountains of Japan Height Height is measure of vertical distance, either vertical extent (how "tall" something or someone is) or vertical position (how "high" a point is). For example, "The height of that building is 50 m" or "The height of an airplane in-flight is abou ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
100 Famous Japanese Mountains
is a book written in 1964 by mountaineer and author Kyūya Fukada.Hyakumeizan, Hiking Japan! . Japan Gazetteer. Accessed June 27, 2008. The list became famous when , now Emperor, took note of it. The list has been the topic of documentaries, and other hiking books. An English edition, ''One Hundred Mountains of Japan'', translated by Martin Hood, was published in 2014 by the |
Kiso Valley
The is a geographical area that centers on the valley of the upper portions of the Kiso River in the southwestern part of Nagano Prefecture in Japan. It is a v-shaped valley with length of approximately 60 km (36 mi) that follows the river as it flows from north by northwest to south by southwest into Gifu Prefecture. Access Through much of Japan's history, the Kiso Valley was used to connect the former Mino and Shinano provinces. However, it came to be known as a difficult route because of its steep climbs. The '' Shoku Nihongi'' recorded that the ''Kiso no Yamamichi'' (岐蘇山道) was opened in 702. The same route was again mentioned in a 713 article, but it was then called the ''Kisoji no Michi'' (吉蘇路). The Kisoji (木曽路) would eventually follow the same path. However the official Tōsandō did not run through the Kiso Valley; instead, it ran from Mino Province towards the Kamisaka Pass and into the Ina Valley. During Japan's Middle Ages, the Nakasen ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Japan Self-Defense Forces
The Japan Self-Defense Forces ( ja, 自衛隊, Jieitai; abbreviated JSDF), also informally known as the Japanese Armed Forces, are the unified ''de facto''Since Article 9 of the Japanese Constitution outlaws the formation of armed forces, the JSDF cannot be considered a fully-fledged military force. military forces of Japan established in 1954. The self-defence forces consists of the Japan Ground Self-Defense Force, the Japan Maritime Self-Defense Force, and the Japan Air Self-Defense Force. They are controlled by the Ministry of Defense, with the Prime Minister as commander-in-chief. In recent years, the JSDF has engaged in international peacekeeping operations with the United Nations. Tensions with North Korea have reignited debate over the status of the JSDF and its relationship to Japanese society. Since 2010, the JSDF has refocused from countering the former Soviet Union to the People's Republic of China, also since 2022 Russian invasion of Ukraine the JSDF also conside ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hydrothermal Explosion
Hydrothermal explosions occur when superheated water trapped below the surface of the earth rapidly converts from liquid to steam, violently disrupting the confining rock. Boiling water, steam, mud, and rock fragments are ejected over an area of a few meters up to several kilometers in diameter. Although the energy originally comes from a deep igneous source, this energy is transferred to the surface by circulating meteoric water or mixtures of meteoric and magmatic water rather than by magma, as occurs in volcanic eruptions. The energy is stored as heat in hot water and rock within a few hundred feet of the surface. Hydrothermal explosions are caused by the same instability and chain reaction mechanism as geysers but are so violent that rocks and mud are expelled along with water and steam. Cause Hydrothermal explosions occur where shallow interconnected reservoirs of water at temperatures as high as 250° Celsius underlie thermal fields. Water usually boils at 100 °C, but u ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Earthquake
An earthquake (also known as a quake, tremor or temblor) is the shaking of the surface of the Earth resulting from a sudden release of energy in the Earth's lithosphere that creates seismic waves. Earthquakes can range in intensity, from those that are so weak that they cannot be felt, to those violent enough to propel objects and people into the air, damage critical infrastructure, and wreak destruction across entire cities. The seismic activity of an area is the frequency, type, and size of earthquakes experienced over a particular time period. The seismicity at a particular location in the Earth is the average rate of seismic energy release per unit volume. The word ''tremor'' is also used for Episodic tremor and slip, non-earthquake seismic rumbling. At the Earth's surface, earthquakes manifest themselves by shaking and displacing or disrupting the ground. When the epicenter of a large earthquake is located offshore, the seabed may be displaced sufficiently to cause ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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