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Lake Unagi
(translated as eel lake) is a Japanese maar lake associated with an eruptive vent line extending towards the sea from the parent volcano Ikeda Caldera which contains . Geography It is located within the city limits of Ibusuki, Kagoshima on Kyūshū island, Japan and there are associated hot springs. Geology Lake Unagi is within the larger and older Ata Caldera and technically its water fills in Unagi maar. Shortly after the Ikeda Caldera , is a volcanic caldera filled now with Lake Ikeda and associated with the older Ata Caldera on the Satsuma Peninsula. Geology The Ikeda volcano produced about 20,000 years before present the Iwamoto tephra layer found right around the region ... forming eruption of 4800 years ago a fissure vent line southeast of the caldera evolved that produced the maar eruption that formed Lake Unagi and then the pumiceous Yamagawa base surge. Ikezoko maar is more proximal in the vent line from the Ikeda Caldera to the north. Narikawa maar is to the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lake Ikeda
is a caldera lake located 40 km south of Kagoshima city; Kyūshū island, Japan. It is perhaps best known to tourists as the location of the purported sightings of a monster named Issie, and as the largest lake on Kyūshū island with a surface area of 11 km² and a shoreline length of 15 km. Deterioration The development of the areas surrounding Lake Ikeda has caused the quality of the water to decline since 1955. Other causes include an irrigation project, developed for agricultural field and households in the area, which was initiated in 1965, for it the courses of three nearby rivers were diverted into the lake. The irrigation system has been in operation since 1982, resulting in a considerable improvement of the water quality although since the 1950s the transparency of the lake, though still ranked No. 7 in the world, has decreased from 26.8 m to approximately 5m. Animals Lake Ikeda is known to harbour large eels, some six feet in length. In 1998, a bentho ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cape Sata
Cape Sata (佐多岬, ''Sata Misaki'') is a cape at the southern tip of the Ōsumi Peninsula of Kyūshū island, Japan, and is the southernmost point of the island, just south of 31 degrees latitude. Cape Sata is home to a lighthouse built in 1871, designed by the Scotsman Richard Henry Brunton. Prior to 2013, the land was under the jurisdiction of a private company, and cost 300 yen to enter with open hours between 9 a.m. and 5 p.m. However, Sata is now free to enter, and its abandoned restaurant and observation deck have since been torn down. Alan Booth's 1986 book '' The Roads to Sata'' details his walk from Cape Sōya at the northern tip of Hokkaidō south to Cape Sata. Gallery File:Satamisaki Line 31.JPG, Monument at latitude 31°N File:Satamisaki observatory.JPG, Cape Sata Observatory File:Satamisaki Park View Kagoshima001.JPG, Cape Sata lighthouse from Sata-misaki Observation Park File:Satamisaki kaimondake.JPG, Mount Kaimon on the Satsuma Peninsula over the s ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kagoshima Bay
also known as Kinkō Bay, is a deep inlet of the East China Sea on the coast of Japan.''Merriam Webster's Geographical Dictionary, Third Edition'', p. 562. Kagoshima Bay is on the south coast of the island of Kyūshū. The port city of Kagoshima and its well-protected harbor lie on the bay's western coast, just opposite the island of Sakurajima. Geology The bay itself is partially volcanic in origin, with two massive submarine calderas shaping part of the bay's shoreline: The younger Aira Caldera in the northernmost part of the bay, and the older Ata Caldera at the mouth of the bay where it meets the East China Sea. Both calderas formed during the Pleistocene from highly explosive Ultra-Plinian volcanic eruptions, Aira approximately 22,000 years ago and Ata approximately 105,000 years ago. Though such enormous eruptions are extremely infrequent, both volcanoes have remained active with much smaller eruptions in historic times, with Sakurajima in the bay and the Kirishima ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mount Kaimon
, or Mount Kaimon, is an undissected volcano – consisting of a basal stratovolcano and a small complex central lava dome – which rises to a height of 924 metres above sea level near the city of Ibusuki in southern Kyūshū, Japan. The last eruption occurred in the year 885 CE. Because of its conic shape, Mt. Kaimon is sometimes referred to as "the Fuji of Satsuma". Geography Mt. Kaimon is located in the south of Kagoshima prefecture, Kyushu and is an important reference point for marine traffic because it is the southernmost prominence of the Satsuma Peninsula. This is one entrance marker to Kinko Bay ( Kagoshima Bay) complimentary to the Ōsumi Peninsula. Together with Mt. Noma and Mt. Kinpo, it is used by marine traffic. Geology Part of the Ibusuki volcanic field, Mt. Kaimon defines the eastern margin of the old Ata Caldera. The total eruptive volume of tephra has been and of lava. There is a sea scarp which is 7.8km wide and 9.3km long, the shape is simi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kyūshū
is the third-largest island of Japan's five main islands and the most southerly of the four largest islands ( i.e. excluding Okinawa). In the past, it has been known as , and . The historical regional name referred to Kyushu and its surrounding islands. Kyushu has a land area of and a population of 14,311,224 in 2018. In the 8th-century Taihō Code reforms, Dazaifu was established as a special administrative term for the region. Geography The island is mountainous, and Japan's most active volcano, Mount Aso at , is on Kyushu. There are many other signs of tectonic activity, including numerous areas of hot springs. The most famous of these are in Beppu, on the east shore, and around Mt. Aso in central Kyushu. The island is separated from Honshu by the Kanmon Straits. Being the nearest island to the Asian continent, historically it is the gateway to Japan. The total area is which makes it the 37th largest island in the world. It's slightly larger than Taiwan islan ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Maar
A maar is a broad, low-relief volcanic crater caused by a phreatomagmatic eruption (an explosion which occurs when groundwater comes into contact with hot lava or magma). A maar characteristically fills with water to form a relatively shallow crater lake which may also be called a maar. The name comes from a Moselle Franconian dialect word used for the circular lakes of the Daun area of Germany. Notes: * According to German Wikipedia's ''"Maar"'' article, in 1544 in his book ''Cosmographia'', Sebastian Münster (1488–1552) first applied the word "maar" (as ''Marh'') to the Ulmener Maar and the Laacher See. See: Sebastian Münster, ''Cosmographia'' (Basel, Switzerland: Heinrich Petri, 1544)p. 341. From p. 341: ''"Item zwen namhafftiger seen seind in der Eyfel / einer bey de schloß Ulmen / und ein ander bey dem Closter züm Laich / die seind sere tieff / habe kein ynflüß aber vil außflüß / die nennet man Marh unnd seind fischreich."'' (Also two noteworthy lakes ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ikeda Caldera
, is a volcanic caldera filled now with Lake Ikeda and associated with the older Ata Caldera on the Satsuma Peninsula. Geology The Ikeda volcano produced about 20,000 years before present the Iwamoto tephra layer found right around the region of Kagoshima Bay but not further. It later erupted Senta lava before about 7300 years ago erupting the Kikai-Akahoya tephra. The caldera-forming eruptions began 6400 years ago involving by the time they had finished about of magma and produced local pyroclastic deposits and the Ikezaki tephra. In subsequent magmatic eruptions fall deposits were created of Osagari and Mizusako scoria and Ikeda pumice. The present caldera was formed 4800 years ago when the Ikeda ignimbrite erupted that reached the eastern and western sides and southern tip of the Satsuma Peninsula The Satsuma Peninsula (薩摩半島 ''Satsuma-hantō'') is a peninsula which projects south from the southwest part of Kyūshū Island, Japan. To the west lies the East ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ibusuki, Kagoshima
is a city located in Kagoshima Prefecture, Japan, founded on April 1, 1954. In March 1, 2012, the city had an estimated population of 43,931, with 19,119 households and a population density of 294.82 persons per km2. However the census of 2020 confirmed a population decline to 39,011 and by October 2022 there were only 17,537 households . The total area is and shares a border with Ei, a town to its north. On January 1, 2006, the towns of Kaimon and Yamagawa (both from Ibusuki District) were merged into Ibusuki. Ibusuki can be accessed by Routes 226 and 269 and the Ibusuki Skyline drive. The city's main railroad station is Ibusuki Station. Ibusuki is famous for black-sand spas known as ''sunamushi onsen'' and the fine noodle sōmen nagashi. Ibusuki has a sister city relationship with Rockhampton, Queensland, Australia. Geography Points of interest include: * Kirishima-Kinkowan National Park contains in its Kagoshima Bay region: **Kaimondake volcano ***An inactive str ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ata Caldera
, containing the Ata North Caldera, Mount Kaimon and Ikeda Caldera amongst other volcanos, is a massive, ill defined, mostly submerged volcanic caldera associated with the southern portions of Kagoshima Bay. Geology The earliest tephra assigned to the volcano, is the widespread on regional sea bed cores, Ata–Torihama tephra (Ata-Th) at 240,000 years before the present. The caldera contributed to an eruption which has been dated to about 100,000 years before present (range by various techniques mostly fall 100,000 to 109,000) that generated the Ata tephra in southern Japan. This eruption has been assigned a VEI of 7.5 and generated over of tephra. This is overlaid in some places in Japan by the more recent Mitake No. 1 (On-Pm1) tephra from an eruption in the Mount Ontake area and K-Tz tephra from the Kikai Caldera. There have been many more lesser eruptions. Structure Some of the recent literature separates the caldera into a northern almost completely submerged caldera that ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Landforms Of Kagoshima Prefecture
A landform is a natural or anthropogenic land feature on the solid surface of the Earth or other planetary body. Landforms together make up a given terrain, and their arrangement in the landscape is known as topography. Landforms include hills, mountains, canyons, and valleys, as well as shoreline features such as bays, peninsulas, and seas, including submerged features such as mid-ocean ridges, volcanoes, and the great ocean basins. Physical characteristics Landforms are categorized by characteristic physical attributes such as elevation, slope, orientation, stratification, rock exposure and soil type. Gross physical features or landforms include intuitive elements such as berms, mounds, hills, ridges, cliffs, valleys, rivers, peninsulas, volcanoes, and numerous other structural and size-scaled (e.g. ponds vs. lakes, hills vs. mountains) elements including various kinds of inland and oceanic waterbodies and sub-surface features. Mountains, hills, plateaux, and plains are the fou ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Volcanoes Of Kagoshima Prefecture
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 magma chamber below the surface. On Earth, volcanoes are most often found where tectonic plates are diverging or 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 volcanism, of which the Hawaiian hotspot is an example. Volcanoes are usually not created where two tectonic plates sl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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