earth science

Mount Batur

Mount Batur 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 Mount Batur rather than just read about it. In short: Mount Batur (Indonesian: Gunung Batur; Balinese: ᬕᬸᬦᬸᬂᬩᬢᬸᬃ, romanized: gunung batuŕ) is an active volcano located at the center of two concentric calderas northwest of Mount Agung on the island of Bali, Indonesia. The southeast side of the larger 10×13 km caldera contains a caldera lake.

Key takeaways

Mount Batur 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 Mount Batur to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Mount Batur from memory before moving on to harder problems.

Reference excerpt

Mount Batur (Indonesian: Gunung Batur; Balinese: ᬕᬸᬦᬸᬂᬩᬢᬸᬃ, romanized: gunung batuŕ) is an active volcano located at the center of two concentric calderas northwest of Mount Agung on the island of Bali, Indonesia. The southeast side of the larger 10×13 km caldera contains a caldera lake. Both the larger caldera, and a smaller 7.5 km caldera were formed by a collapse of the magma chamber, the first larger collapse taking place about 29,300 years ago, and the second inner caldera collapsing about 20,150 years ago. Another estimate of the inner caldera's formation date, formed during the emplacement of the Bali (or Ubud) ignimbrite, has been dated at about 23,670 and 28,500 years ago. The first documented eruption was in 1804 and the most recent was in 2000.

Active volcano and Lake Batur in the caldera

The eruption that brought this volcano to be visible above the ocean is one of the most forceful on the Earth. This volcano is marked by a collapsed top, called a caldera. The caldera contains an active, 700-metre-tall stratovolcano rising above the surface of Lake Batur. The first documented eruption of Batur was in 1804, and it has been frequently active since then, most recently in 2000. The substantial lava field from the 1963 eruption is visible today when viewed from Kintamani, a town on the southwest ridge of the caldera.

Villages in the caldera The caldera is populated and includes the four main villages of Kedisan, Songan, Trunyan, and Toya Bungkah, among a total of 15 villages. The locals largely rely on agriculture for income but tourism has become increasingly popular due to the relatively straightforward trek to the summit of the central crater.

Global Geoparks Network On 20 September 2012 UNESCO made Mount Batur Caldera a part of the Global Geoparks Network.

Sedimentation Heavy sedimentation in Mount Batur Caldera decreases the water in the lake. A plan was devised to restrict locations around the lake for tourist accommodations, to inform residents of the problems of fish farm cages in the lake, and perhaps to dredge some of the natural sedimentation from volcanic ash. The lake is subject to water pollution from fishing and agricultural runoff, promoting the growth of too many water hyacinths, further worsening conditions in the lake, causing some to wonder if the lake will disappear between heavy sedimentation at the bottom and a dense cover of water hyacinths.

Gallery

Illustrations

Worked examples

Example 1 — a first encounter with Mount Batur

Start with the simplest possible case. Write down what Mount Batur 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 Mount Batur 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 Mount Batur 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 Mount Batur

In research: Mount Batur 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 Mount Batur 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: Mount Batur is common in secondary-school and first-year university syllabi. It links to neighbouring topics Active volcanoes of Indonesia, Balingkang basin, Bangli Regency, so understanding it makes those chapters shorter.
In everyday life: Look for Mount Batur 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 Mount Batur in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Mount Batur 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 Mount Batur out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Mount Batur in simple terms?

Why does Mount Batur 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 Mount Batur?

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 Mount Batur.