earth science

National Earthquake Information Center

National Earthquake Information Center 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 National Earthquake Information Center rather than just read about it. In short: The National Earthquake Information Center (abbreviated NEIC) is part of the United States Geological Survey (USGS) located on the campus of the Colorado School of Mines in Golden, Colorado. The NEIC has three main missions: First, the NEIC determines, as rapidly and as accurately as possible, the location and size of all significant earthquakes that occur worldwide.

Key takeaways

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

Reference excerpt

The National Earthquake Information Center (abbreviated NEIC) is part of the United States Geological Survey (USGS) located on the campus of the Colorado School of Mines in Golden, Colorado. The NEIC has three main missions:

First, the NEIC determines, as rapidly and as accurately as possible, the location and size of all significant earthquakes that occur worldwide. The NEIC disseminates this information immediately to concerned national and international agencies, scientists, critical facilities, and the general public. Second, the NEIC collects and provides to scientists and to the public an extensive seismic database that serves as a solid foundation for scientific research, principally through the operation of modern digital national and global seismograph networks and through cooperative international agreements. The NEIC is the U.S. national data center and archive for earthquake information. Third, the NEIC pursues an active research program to improve its ability to locate earthquakes and to understand the earthquake mechanism. These efforts are all aimed at mitigating the risks of earthquakes to mankind; and they are made possible by the fine international cooperation that has long characterized the science of seismology. Using a combination of automated tools and human review, NEIC issues moment magnitude and location information as soon as possible after a quake. As earthquake waves take time to travel around the globe, the estimated moment magnitude may change as more information is received. The NEIC uses seismograms recorded in the United States as well as around the globe. While they gather as much data as they can, some nations do not release earthquake data to the United States for political reasons. NEIC personnel are often sought out by the news media after a large earthquake as experts. Thus the NEIC has a higher public profile than other parts of the US Geological Survey.

Worked examples

Example 1 — a first encounter with National Earthquake Information Center

Start with the simplest possible case. Write down what National Earthquake Information Center 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 National Earthquake Information Center 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 National Earthquake Information Center 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 National Earthquake Information Center

In research: National Earthquake Information Center 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 National Earthquake Information Center 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: National Earthquake Information Center is common in secondary-school and first-year university syllabi. It links to neighbouring topics Colorado School of Mines, Seismological observatories, organisations and projects, United States Geological Survey, so understanding it makes those chapters shorter.
In everyday life: Look for National Earthquake Information Center 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 National Earthquake Information Center in 20 minutes

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

Frequently asked questions

What is National Earthquake Information Center in simple terms?

Why does National Earthquake Information Center 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 National Earthquake Information Center?

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 National Earthquake Information Center.