earth science

Nevado del Huila

Nevado del Huila 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 Nevado del Huila rather than just read about it. In short: Nevado del Huila (, Spanish pronunciation: [neˈβaðo ðel ˈwila]) at 5,364 metres (17,598 ft) is the highest volcano in Colombia, located at the tripoint of the departments of Huila, Tolima and Cauca. It is visible from the city of Cali.

Key takeaways

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

Reference excerpt

Nevado del Huila (, Spanish pronunciation: [neˈβaðo ðel ˈwila]) at 5,364 metres (17,598 ft) is the highest volcano in Colombia, located at the tripoint of the departments of Huila, Tolima and Cauca. It is visible from the city of Cali. The andesitic volcano is located on top of the Ibagué Batholith. After being dormant for more than 500 years, the volcano showed heavy signs of activity in 2007 and 2008. As of February 20, 2007, there were more than 7,000 "minor" seismic events, and a high state of alert was in place for the departments of Cauca, Huila, Caldas and Valle del Cauca. The volcano erupted twice in April 2007, once in April 2008 and again in November 2008. Any eruption would affect the small villages around the volcano, mostly Páez, where the inhabitants still have in memory the 1985 eruption of the Nevado del Ruiz volcano that caused the Armero tragedy.

Eruptions

2007 eruption On April 18, 2007, the volcano erupted twice, causing avalanches into the Paez River; this event caused water levels to rise along the Magdalena River. More than 4,000 people were evacuated with no casualties reported.

2008 activity and eruption Nevado del Huila became active again in March 2008. After a multitude of earthquakes inside the volcano, Colombian authorities declared a state of yellow alert on March 18. The state of alert was increased to orange on March 29, meaning an eruption could be expected within two weeks. Hundreds of people were evacuated. On April 14, 2008, at 11:08 pm, an ash eruption took place, prompting the government to issue a red alert and evacuate 13,000 to 15,000 people from around the mountain. The state of red alert was again lowered to orange on April 16, following diminished activity.

November 2008 eruption On November 20, 2008, the volcano erupted at 02:45 GMT (at 21:45 on November 20 local time) according to Colombian Institute of Geology and Mining. An immediate mass-scale evacuation was put in motion by the Colombian authorities, which the inhabitants of some towns reportedly refused. There were no injured reported at the time. On November 23, 2008, BBC News, citing Colombian authorities, announced that the eruption had claimed ten lives, with 12,000 nearby residents being evacuated and emergency services unable to reach many of the more remote affected locations. The eruption had triggered an avalanche of earth and debris that damaged houses, bridges and crops on plantations. The three small towns of Paicol, La Plata and Belalcázar along the Páez River were affected by this eruption.

Extensive instrumentation of the volcano, put in place by the existing national system for prevention and care of disasters, which includes training of local inhabitants in high-risk regions and deployment of alarms in nearby towns, reportedly prevented large-scale deaths. President Álvaro Uribe ordered the Air Force of Colombia to create an "air bridge" to provide supplies for cut off towns along the Páez River.

See also List of volcanoes in Colombia List of volcanoes by elevation List of mountains in Colombia

References

Bibliography Gómez, Jorge; Morales, Carlos; Marquínez, Germán; Velandia, Francisco (1999). Plancha 322 - Santa María - 1:100,000 (Map). INGEOMINAS. p. 1. Retrieved 2017-06-06.

External links

Global Volcanism Program Nevado del Huila Volcano Observatory

Illustrations

Worked examples

Example 1 — a first encounter with Nevado del Huila

Start with the simplest possible case. Write down what Nevado del Huila 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 Nevado del Huila 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 Nevado del Huila 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 Nevado del Huila

In research: Nevado del Huila 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 Nevado del Huila 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: Nevado del Huila is common in secondary-school and first-year university syllabi. It links to neighbouring topics 2007 in Colombia, 2007 natural disasters, 2008 in Colombia, so understanding it makes those chapters shorter.
In everyday life: Look for Nevado del Huila 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 Nevado del Huila in 20 minutes

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

Frequently asked questions

What is Nevado del Huila in simple terms?

Why does Nevado del Huila 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 Nevado del Huila?

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 Nevado del Huila.