earth science

Northern Yatsugatake Volcanic Group

Northern Yatsugatake Volcanic Group is a earth science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Northern Yatsugatake Volcanic Group rather than just read about it. In short: Northern Yatsugatake Volcanic Group (北八ヶ岳, Kita-Yatsugatake) is a volcanic group of stratovolcanoes and lava domes located in Nagano Prefecture on Honshū in Japan. Description The Northern Yatsugatake Volcanic Group is part of the Yatsugatake Mountains.

Key takeaways

Northern Yatsugatake Volcanic Group belongs to earth science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Northern Yatsugatake Volcanic Group to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Northern Yatsugatake Volcanic Group from memory before moving on to harder problems.

Reference excerpt

Northern Yatsugatake Volcanic Group (北八ヶ岳, Kita-Yatsugatake) is a volcanic group of stratovolcanoes and lava domes located in Nagano Prefecture on Honshū in Japan.

Description The Northern Yatsugatake Volcanic Group is part of the Yatsugatake Mountains. The northern group is defined as the mountains from Mount Futago to Natsuzawa Pass. The highest peak of the mountains is Mount Tengu and the elevation is 2,646 metres. The southern Yatsugatake mountains are steep and have alpine characteristics. The mountains of the Northern Yatsugatake Volcanic Group are gentler and lower. Yatsugatake is listed among the 100 famous mountains in Japan, but this refers to the Southern Yatsugatake Volcanic Group. Mount Tateshina is also mentioned as one of the 100 famous mountains, and it is part of the Northern Yatsugatake mountains, but is listed separately. These mountains are part of the Yatsugatake-Chūshin Kōgen Quasi-National Park.

Geology and volcanic activity The volcanoes are stratovolcanos that are 1 million to 200,000 years old. The rock is mainly basalt, dacite, and andesite. Mount Yoko has shown the most recent activity and is now considered an active volcano. It last erupted about 800 years ago. In 888 a debris avalanche on the East side of the volcanic massif caused Lake Matsubara to form. The Tateshina-kogen plateau was formed by a large lava flow.

List of peaks The following peaks and passes, from North to South, make up the Northern Yatsugatake Volcanic Group:

Mount Tateshina (also known as Suwa Fuji), stratovolcano 2,530 m (8,301 ft) Ogawara Pass 2,093 m (6,867 ft) Mount Futago, cinder cone 2,224 m (7,297 ft) Mount Otake 2,381 m (7,812 ft) Mount Yoko (also known at Mount Kita Yoko), lava dome 2,480 m (8,136 ft) Mount Mitsudake 2,360 m (7,743 ft) Mount Amaike 2,325 m (7,628 ft) Mount Shimagare, lava dome 2,403 m (7,884 ft) Mount Chausu, lava dome 2,384 m (7,822 ft) Mugikusa Pass 2,127 m (6,978 ft) Mount Maru 2,330 m (7,644 ft) Nyu 2,152 m (7,060 ft) Mount Naka 2,496 m (8,189 ft) Mount Tengu 2,646 m (8,681 ft) Mount Neishi 2,603 m (8,540 ft) Mount Mikaburi 2,590 m (8,497 ft)

See also List of volcanoes in Japan List of mountains in Japan

References Welcome to Yatsugatake Official Home Page of the Geographical Survey Institute in Japan

Gallery

Illustrations

Worked examples

Example 1 — a first encounter with Northern Yatsugatake Volcanic Group

Start with the simplest possible case. Write down what Northern Yatsugatake Volcanic Group claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In earth science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Northern Yatsugatake Volcanic Group before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Northern Yatsugatake Volcanic Group ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Northern Yatsugatake Volcanic Group

In research: Northern Yatsugatake Volcanic Group appears in earth science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Northern Yatsugatake Volcanic Group in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Northern Yatsugatake Volcanic Group is common in secondary-school and first-year university syllabi. It links to neighbouring topics Complex volcanoes, Volcanic groups, Volcanoes of Honshū, so understanding it makes those chapters shorter.
In everyday life: Look for Northern Yatsugatake Volcanic Group outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Northern Yatsugatake Volcanic Group in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Northern Yatsugatake Volcanic Group means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Northern Yatsugatake Volcanic Group out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Northern Yatsugatake Volcanic Group in simple terms?

Northern Yatsugatake Volcanic Group (北八ヶ岳, Kita-Yatsugatake) is a volcanic group of stratovolcanoes and lava domes located in Nagano Prefecture on Honshū in Japan. Description The Northern Yatsugatake Volcanic Group is part of the Yatsugatake Mountains.

Why does Northern Yatsugatake Volcanic Group matter?

Because it connects several earth science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Northern Yatsugatake Volcanic Group?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Northern Yatsugatake Volcanic Group.