earth science

Weber Deep

Weber Deep 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 Weber Deep rather than just read about it. In short: Weber Deep (Indonesian: Kedalaman Weber) is the deepest point in the Banda Sea off Indonesia. Weber Deep maximum depth is 7,351 meters, (24,117 feet, 4.56 miles).

Key takeaways

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

Reference excerpt

Weber Deep (Indonesian: Kedalaman Weber) is the deepest point in the Banda Sea off Indonesia. Weber Deep maximum depth is 7,351 meters, (24,117 feet, 4.56 miles). Banda Sea is connected to the Pacific Ocean, near the Maluku Islands of Indonesia in the Banda Arc. Weber Deep differs from other deep sea points in that Weber Deep is not a deep sea trench, but is a forearc basin, a deep abyssal plain. The slab detachment is at the east end of the deep. Weber Deep is the 16th deepest point in the Earth's oceans and seas. Researchers believe that the Weber Deep was formed when part of the Earth's crust broke off along a 120 km (75 miles) extension of a fault on the ring of fire, called the Banda Detachment. The break-off was caused by plate tectonics creating a back-arc basin rip in the ocean floor. In parts of Weber Deep there is no oceanic crust on the sea floor due to the rip. The rip is approximately 60,000 km2 (23,166 miles2). Researchers believe Weber Deep is the world's largest exposed fault on the ring of fire. The fault along Weber Deep and the Banda Sea is still active. The most extreme event on the fault recorded was in 1629. A Richter magnitude scale 9.2 megathrust earthquake produced a 15-meter (49-foot) tsunami. For nine years after 1629 the area had aftershocks. The closest land to Weber Deep is at the east end of the Banda Sea, surrounded by Watubela archipelago, Timor, Buru, Seram, Ambon and Kur Island. To the west of the Weber Deep is the Banda Volcanic Arc also called the Inner Banda Arc. The Manuk volcanic island is the closest to the Weber Deep in the Volcanic Arc. The floor of the Weber Deep dates to 3.0 to 0.5 million years old. This young sea floor was created by the eastward expansion (rip) of the Banda Sea. Weber Deep is about 450 km long running north to south.

Weber Deep is named after Max Carl Wilhelm Weber (1852–1937), who was the leader of a marine biological expedition, the Siboga expedition, using the 50.6-meter gunboat Siboga of the Dutch East Indies navy. Max Weber was a professor at University of Utrecht and the University of Amsterdam in Amsterdam, his first trip to the Banda Sea was in 1881. The biological expedition departed Amsterdam on the Siboga on December 16, 1898. The expedition also did depth soundings. Weber Deep was found in 1929 by the 204-foot 1928 HMS Willebrord Snelliu (named after Willebrord Snellius) using an echo sounder on a Dutch oceanographic expedition to the Banda Sea from March 1929 to November 1930. Hilbrand Boschma (1893–1976) was a Dutch zoologist on the expedition. In 1951 a more in-depth expedition of Weber Deep and the Banda Sea was done on the Galathea Deep Sea Expedition from 1950 to 1952. The expeditions found on the Weber Deep sea floor deep sea sea cucumbers and aerobic bacteria.

Illustrations

Worked examples

Example 1 — a first encounter with Weber Deep

Start with the simplest possible case. Write down what Weber Deep 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 Weber Deep 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 Weber Deep 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 Weber Deep

In research: Weber Deep 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 Weber Deep 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: Weber Deep is common in secondary-school and first-year university syllabi. It links to neighbouring topics Banda Sea, Central Indo-Pacific, Maritime Southeast Asia, so understanding it makes those chapters shorter.
In everyday life: Look for Weber Deep 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 Weber Deep in 20 minutes

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

Frequently asked questions

What is Weber Deep in simple terms?

Weber Deep (Indonesian: Kedalaman Weber) is the deepest point in the Banda Sea off Indonesia. Weber Deep maximum depth is 7,351 meters, (24,117 feet, 4.56 miles).

Why does Weber Deep 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 Weber Deep?

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 Weber Deep.