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National Centre for Seismology

National Centre for Seismology is a 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 Centre for Seismology rather than just read about it. In short: The National Centre for Seismology (NCS) is an office of India's Ministry of Earth Sciences. The office monitors earthquakes and conducts seismological research.

Key takeaways

  • National Centre for Seismology belongs to science; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect National Centre for Seismology to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of National Centre for Seismology from memory before moving on to harder problems.

Reference excerpt

The National Centre for Seismology (NCS) is an office of India's Ministry of Earth Sciences. The office monitors earthquakes and conducts seismological research. Specifically, it provides earthquake surveillance and hazard reports to governmental agencies. It consists of various divisions:

Earthquake Monitoring & Services Earthquake Hazard & Risk Assessments Geophysical Observation Systems The Seismology Division and Earthquake Risk Evaluation Centre of the India Meteorological Department merged with NCS in August 2014 to more effectively monitor and research seismological activity. The Centre's objective is to improve understanding of earthquake processes and their effects through seismological research and monitoring. In July 2017, NCS released a mobile app, "IndiaQuake", that disseminates realtime earthquake information.

Earthquake monitoring in India Earthquakes in Indian subcontinent occur due to the north-eastward movement of the Indian Plate and its interaction with the neighboring Eurasian Plate in the north. Most of earthquakes occur in the plate boundary regions; however, a few damaging earthquakes have occurred in the plate interior regions as well. A few damaging earthquakes in the plate-boundary regions include the following: 1897 Shillong plateau, 1905 Kangra, 1934 Nepal-Bihar, 1950 Chayu-Upper Assam, 2004 Sumatra-Andaman, 2005 Kashmir and 2015 Gorkha earthquakes. In the plate interior regions, damaging earthquakes occurred in 1993 at Killari, Maharashtra, in 1997 at Jabalpur, Madhya Pradesh, and in 2001 in Kachchh, Gujarat. Earthquake monitoring in India started as early as 1898, with the establishment of an earthquake observatory at Alipore, Kolkata (Calcutta). This followed the great Shillong Plateau earthquake in 1897. After independence, the number of observatories increased to 15, and after the worldwide seismograph station network in 1964, the number increased to 45. After the 1993 Killari earthquake, the arrival of digital instrumentation allowed NCS to develop observatories across India. There are currently 84 such observatories. Dense networks of observatories are present in the N.E. India and Delhi region because this area has been given special priority. A dedicated Real Time Seismic Monitoring Network provides continuous data to the Tsunami Warning Centre at NCS. All observatories are equipped with a SAT communication facility for the transfer of data in realtime to the Operational Centre. Continuous seismic data of seismological observatories at Mimic, Port Blair and Shilling are shared globally. With the current network, earthquakes of a magnitude of 3.5 can be located within five to ten minutes with reliable accuracy. The information on earthquake guidelines are disseminated to all concerned state and central government departments through a short message service (SMS), fax, or e-mail. IndiaQuake is an application developed to provide this information to citizens in real time.

Seismic Microzonation A priority of NCS is to provide seismic microzonation of major urban areas in India lying in seismic hazard zones. This exercise has been initiated for 30 cities in India, including Delhi.

Seismological Research NCS is actively involved in seismological research related to estimating shallow and deep crustal structures in various tectonic domains of the India land mass. This research provides insight into earthquake occurrence processes in the Himalayas, the Burma plate, and the Sumatra trench, as well as crustal deformation measurements in the plate-boundary and plate-interior regions.

IndiaQuake IndiaQuake was a mobile app that provided realtime information about the parameters of earthquakes occurring in India. These parameters included location, time, and magnitude.It was last updated on 01/01/2018

See also Institute of Seismological Research

References

Worked examples

Example 1 — a first encounter with National Centre for Seismology

Start with the simplest possible case. Write down what National Centre for Seismology claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In 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 Centre for Seismology 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 Centre for Seismology 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 Centre for Seismology

In research
National Centre for Seismology appears in 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 Centre for Seismology 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 Centre for Seismology is common in secondary-school and first-year university syllabi. It links to neighbouring topics Seismological observatories, organisations and projects, so understanding it makes those chapters shorter.
In everyday life
Look for National Centre for Seismology 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 Centre for Seismology in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what National Centre for Seismology 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 National Centre for Seismology out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is National Centre for Seismology in simple terms?

The National Centre for Seismology (NCS) is an office of India's Ministry of Earth Sciences. The office monitors earthquakes and conducts seismological research.

Why does National Centre for Seismology matter?

Because it connects several 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 Centre for Seismology?

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 Centre for Seismology.

Tags

  • Seismological observatories, organisations and projects

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