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Imbabura Volcano

Imbabura Volcano 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 Imbabura Volcano rather than just read about it. In short: Imbabura is an inactive stratovolcano in northern Ecuador. Although it has not erupted for about 7,500 years, it is not thought to be extinct.

Imbabura Volcano — main illustration
Imbabura Volcano — illustration

Key takeaways

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

Reference excerpt

Imbabura is an inactive stratovolcano in northern Ecuador. Although it has not erupted for about 7,500 years, it is not thought to be extinct. Imbabura is intermittently capped with snow and has no permanent glaciers. Covered in volcanic ash, the slopes of Imbabura are especially fertile. In addition to cloud forests, which are found across the northern Andes to an altitude of 3000 m, the land around Imbabura is extensively farmed. Maize, sugarcane, and beans are all staple crops of the region. Cattle are also an important commodity, and much of the land on and around Imbabura, especially the high-altitude meadows above the tree line, is used for grazing.

Geography and geology Imbabura is a volcano in the southern Ring of Fire. As the Nazca Plate is subducted beneath the South American Plate, the former melts with exposure to the hotter asthenosphere. This melted rock, which is less dense than the crust above it, rises to the surface. The result is an arc of volcanoes, which includes Imbabura, 100–300 km away from the subduction zone. Imbabura is the product of Strombolian Eruptions, which, in comparison to Plinian Eruptions, are relatively low-intensity and low volume. They are generally characterized by the ejection of cinders, lapilli, and lava bombs, as well as the accumulation of dark tephra around the volcanic vent. This forms a cinder cone. Imbabura's cone is relatively exposed from erosion and easy to identify. In fact, the mountain is a complex of cinder cones with varying heights. Many of them are named, including el Cubilche, Azaya (or Huarmi Imbabura), Pangaladera, Cunrru, Artezón, Zapallo Loma, Angaraloma, and Araque. Imbabura was active during the late Pleistocene and early Holocene epochs, for the last time approximately 14,000 years ago. Future pyroclastic flows from any of Imbabura's cones could pose a serious threat, however. From the Azaya cone, which faces West, pyroclastic flows could hit the San Pablo lake at the base of the mountain and generate devastating waves; from the Artesón cone, which faces north, pyroclastic flows could strike the city of Ibarra, with a population of nearly 300,000. For this reason, Imbabura remains closely monitored by volcanologists.

Cultural importance As the dominant geographic feature of the area, Imbabura is of significant importance to the local culture, which involves a spiritual relationship with the land. The mountain is sometimes personified locally as Taita Imbabura, or "Papa" Imbabura. In fact, Imbabura is considered the sacred protector of the region. One of boulders ejected by Imbabura's last eruption, which landed nearby in Peguche, was revered as Achilly Pachacamac, the supreme god, by pre-Incan peoples. According to local legend, Mojanda and Imbabura each hurled stones across the valley; but Imbabura, who is often characterized as a womanizer, was weakened by his amorous affairs, and his rock fell short. The stone has been carved into the shape of a face. It is said that Imbabura fought with Mojanda to win the love of Cotacachi, who became his wife. When Cotacachi is snowcapped in the morning, it is said that Imbabura has been with her during the night. Building upon these legends, some of the smaller peaks nearby, especially Yanahurca (or Wawa Imbabura) north of Cotacachi, are called the offspring of the two. When it rains in Otavalo and surrounding areas, it is also said that Imbabura is "peeing" in the valley. On a western slope, an area of loose earth perfectly resembles a heart. This area, known as the "heart of the mountain" is much beloved by residents and appears in local art depicting the volcano. The area is said to be enchanted, as no human nor animal has been capable of scaling or hiking across the area.

Climbing Imbabura is most frequently climbed from the town of La Esperanza or where the road ends about 4 km above it in the village of Chirihuasi. From Chirihuasi, the altitude gain is approximately 1,600 metres (5,200 ft). The route follows a ridge and reaches the false northern summit before contouring around the crater to the true summit.

See also Media related to Imbabura (Ecuador) at Wikimedia Commons Ecuador portal Volcanoes portal List of volcanoes in Ecuador

Footnotes

References "Imbabura". Global Volcanism Program. Smithsonian Institution. Retrieved 2021-06-29.

Illustrations

Imbabura Volcano illustration
Imbabura Volcano: Imbabura Volcano seen from San Pablo del Lago
Imbabura Volcano seen from San Pablo del Lago
Imbabura Volcano: Imbabura Volcano photographed in black and white.
Imbabura Volcano photographed in black and white.

Worked examples

Example 1 — a first encounter with Imbabura Volcano

Start with the simplest possible case. Write down what Imbabura Volcano 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 Imbabura Volcano 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 Imbabura Volcano 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 Imbabura Volcano

In research
Imbabura Volcano 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 Imbabura Volcano 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
Imbabura Volcano is common in secondary-school and first-year university syllabi. It links to neighbouring topics Four-thousanders of the Andes, Geography of Imbabura Province, Holocene stratovolcanoes, so understanding it makes those chapters shorter.
In everyday life
Look for Imbabura Volcano 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 Imbabura Volcano in 20 minutes

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

Frequently asked questions

What is Imbabura Volcano in simple terms?

Imbabura is an inactive stratovolcano in northern Ecuador. Although it has not erupted for about 7,500 years, it is not thought to be extinct.

Why does Imbabura Volcano 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 Imbabura Volcano?

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 Imbabura Volcano.

Tags

  • Four-thousanders of the Andes
  • Geography of Imbabura Province
  • Holocene stratovolcanoes
  • Pleistocene stratovolcanoes
  • Stratovolcanoes of Ecuador
  • Subduction volcanoes

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