Types of Earthquake

Duration: 5 min

This video lesson is available to enrolled students.

Return to /learn/NTA-UGC-NET-PAPER-2/paper-1-unit-9-people-development-and-environment/natural-resources-energy-disaster-management/geological-hazard-dynamics-causes-characteristics-measurements-zonation/asset-types-of-earthquake after enrolling

Inside: a video lesson and guided study material.

Module outline

  1. Course Overview: About the Course
  2. Paper - 1 | Unit - 1 | Teaching Aptitude: Nature, Objectives & Characteristics of Teaching, Learners & Learning Process, Factors Affecting Teaching, Methods of Teaching, Teaching-Learning Aids & ICT Integration, Evaluation, Assessment & Measurement
  3. Paper - 1 | Unit - 2 | Research Aptitude: Introduction to Research, Validity & Reliability, Research Paradigms & Types of Research, Research Process Steps, Research Ethics, Writing & Publication
  4. Paper - 1 | Unit - 3 | Comprehension: Comprehension / Reading Comprehension / Unseen Passages (Critical Reasoning) (Paragraph Questions)
  5. Paper - 1 | Unit - 4 | Communication: Communication Basics, Language and Semiotics, Types of Communication, Communication Models, Mass Communication, Mass Media, Journalism, General Knowledge and General Studies related to Communication
  6. Paper - 1 | Unit - 5 | Mathematical Reasoning and Aptitude: Series (Number and Letter Series) (Numerical Relations and Reasoning), Coding Decoding, Number System, Percentage, Ratio and Proportion (Ratios), Simple Interest and Compound Interest, Speed Time and Distance, Powers and Exponents (Surds and Indices), Profit and Loss, Average, Blood Relations, Directions (Direction Test), Analytical Reasoning (Counting Figures Reasoning), Verbal Analogy (Word Based Analogy), Divisibility Rules, Calendar, Miscellaneous, Time and Work, Algebra
  7. Paper - 1 | Unit - 6 | Logical Reasoning: Syllogisms, Non Verbal Reasoning (Spatial Aptitude) (Spatial Reasoning) (Visual Reasoning), Deductive and Inductive Reasoning (Logical Deduction and Induction) (Prepositional Reasoning), Venn Diagram, School Of Thoughts, Fallacy, Western Logic
  8. Paper - 1 | Unit - 7 | Data Interpretation: Data Interpretation
  9. Paper - 1 | Unit - 8 | Information and Communication Technology: MS Office Applications, Cyber Threats and Malware Attacks, Role of Internet and Web Services, Electronic Data Interchange and E-Commerce, Internet Fundamentals, Web Design & Development, Web Publishing & Hosting, Emerging Technologies, Terms & Abbreviations, Artificial Intelligence, Society, Law & Ethics, Keyboard Shortcuts, Website, Browser & Services
  10. Paper - 1 | Unit - 9 | People Development and Environment: Ecosystem, Biomes & Environmental Issues, MDG & SDG, Air Pollution, Water Pollution, Soil, Noise Pollution and Waste Management, Natural Resources, Energy & Disaster Management, Global Environmental Conventions – COP, Protocols & ISA
  11. Paper - 1 | Unit - 10 | Higher Education System: Vedic Education, Jainism & Buddhism, Ancient Universities, Pre-Independence Commissions, Post-Independence Policy, Higher Education Structure & Accreditation, Universities & Learning Programmes, Types of Education & NEP 2020
  12. Paper 2 | Unit 1 | Discrete Structures and Optimization: Propositional and Predicate Logic, Set Theory, Relations, Functions, Permutation and Combination, Probability, Graph Theory, Group Theory, Digital Systems & Boolean Basics, Boolean Expression, Boolean Minimization, Optimization
  13. Paper 2 | Unit 2 | Computer System Architecture: Logic Gates & Hardware, Combinational Circuit, Sequential Circuits, Number System, Number Representation, Floating Point Rep, Basics of COA, Register Transfer and Microoperations, Programming the Basic Computer, Instr Formats & Modes, Control Unit Design, Pipelining, Input Output Organisation, Cache Memory Organization, Multiprocessors
  14. Paper 2 | Unit 3 | Programming Languages and Computer Graphics: Language Design, C Fundamentals, Control Flow, Functions, Arrays & Pointers, Storage Classes, Structures & Enums, DMA, Macros, Scoping & File Handling, HTML Basics, XML, JavaScript-Basics, Java, Basics of Computer Graphics, 2-D Geometrical Transforms and Viewing, 3-D Object Representation, Geometric Transformations and Viewing, OOPS with C++, Java Fundamentals
  15. Paper 2 | Unit 4 | Database Management Systems: Basics of DBMS, ER Diagram, Relational Model & Functional Dependencies, Keys & Integrity Constraints, Normalization (1NF - BCNF), Decomposition Properties & 4NF, File Organization & Indexing, Relational Algebra, SQL, Relational Calculus, Transaction Management, Concurrency Control, Database Recovery, ORDBMS, Database Security & Authorization, Query Processing & Optimization, Enhanced Data Models, Data Warehousing & Mining, Big Data Systems, NoSQL
  16. Paper 2 | Unit 5 | System Software and Operating System: Introduction to OS, Process Management, CPU Scheduling, Process Synchronization, Threads & Process Creation, Deadlock, Memory Management, Virtual Memory, Disc Scheduling, File Management, Windows OS, Linux OS, Security, Distributed Systems, Virtual Machines
  17. Paper 2 | Unit 6 | Software Engineering: Fundamentals of Software Engineering, Software Requirements and Quality Assurance, Software Design, Estimation and Metrics, Software Testing, Software Maintenance and Configuration Management
  18. Paper 2 | Unit 7 | Data Structures and Algorithms: Introduction to DS, Array, Stack, Queue, Linked List, Tree, Graphs, Hashing, Algorithm Analysis, Time Complexity Analysis, Sorting Algorithms, Greedy Algorithms, Dynamic Programming, Minimum Spanning Trees, Shortest Path Algos, Advanced Algorithms
  19. Paper 2 | Unit 8 | Theory of Computation and Compilers: Introduction to TOC, Deterministic FA (DFA), Non-Deterministic FA, Regular Expressions, Grammar, Regular Language Properties, Moore & Mealy Machines, Pushdown Automata & CFG, Turing Machines, Complexity Theory, Intro to Compilers, Lexical Analysis, Grammar & CFG, Syntax Analysis: Top-Down, Syntax Analysis: Bottom-Up, Semantic Analysis & SDT, Intermediate Code Gen, Code Optimization, Run Time Environment
  20. Paper 2 | Unit 9 | Data Communication and Computer Networks: Introduction to CN, Data Communication, DLL: Access Control, DLL: Flow Control, DLL: Error Control, DLL: Framing, Data Link Layer - Ethernet, Net Layer: IPv4 & Proto, Net Layer: IP Addressing, Net Layer:Routing Protocol, Transport Layer Services, TL: Congestion & UDP, Application Layer, Hardware basics, Network Security, Mobile Technology, Cloud Computing and IoT, Cloud Computing
  21. Paper 2 | Unit 10 | Artificial Intelligence: Approaches to AI, Search Algorithms, Game Playing, Knowledge Representation, Planning, Multi Agent Systems, Fuzzy Sets, Natural Language Processing, Artificial Neural Networks, Genetic Algorithms
  22. Live Classes: NTA UGC NET 2025 Live Class
  23. Paper 1 | Full Mock Tests:
  24. Paper 2 | Full Mock Tests:
  25. Paper 1 | Previous Year Papers:
  26. Paper 2 | Previous Year Papers:
AI summary & chapters

AI Summary

An AI-generated summary of this video lecture.

The video presents a structured educational lecture on earthquakes, covering their types, risk reduction measures, and India's preparedness efforts. The first part of the lecture, displayed on a slide titled "Type of Earthquakes," systematically defines four categories: Tectonic Earthquakes, which are the most common and result from plate movements; Volcanic Earthquakes, associated with magma rising in a volcano; Collapse Earthquakes, caused by the collapse of underground cavities or mines; and Explosion Earthquakes, resulting from nuclear or industrial explosions. The second part transitions to a slide on "Possible Risk Reduction Measures," which is divided into three phases: Pre-Disaster, During Earthquake, and Post-Earthquake. It details specific actions for each phase, such as building codes and community training for pre-disaster, the "DROP, COVER, HOLD" protocol for during, and evacuating damaged buildings and checking for gas leaks for post-disaster. The final segment of the video discusses India's national response framework, highlighting the National Disaster Response Force (NDRF) as the first responder, the National Disaster Management Authority (NDMA), and the Disaster Management Act of 2005, which established State Disaster Management Authorities (SDMAs). The lecture also mentions two mobile applications, 'India Quake' and 'Sagar Vani,' developed by the National Center for Seismology and the Indian Meteorological Department, respectively, for real-time earthquake and tsunami alerts.

Chapters

  1. 0:00 – 2:00 00:00-02:00

    The video begins with a slide titled "Type of Earthquakes." The instructor, a woman in a green and blue top, points to the text as she explains the four main types. The first type, "Tectonic Earthquakes (Tectonic Plate Earthquakes)," is described as the most common, resulting from the movement of tectonic plates beneath the Earth's surface, which causes stress to build and then release, shaking the ground. The second type, "Volcanic Earthquakes," are associated with volcanic activity, occurring when magma rises within a volcano, fracturing surrounding rocks. The third type, "Collapse Earthquakes (Collapse Events)," are typically smaller and occur due to the collapse of underground cavities or mines, creating seismic waves. The fourth type, "Explosion Earthquakes (Explosion Events)," result from the explosion of nuclear devices, underground nuclear tests, or large-scale industrial explosions. The on-screen text provides a clear, bulleted list of these definitions, and the instructor uses a pointer to guide the viewer's attention to each category as she speaks.

  2. 2:00 – 5:00 02:00-05:00

    The presentation transitions to a new slide titled "Possible Risk Reduction Measures." The instructor explains the three phases of earthquake preparedness. The first phase, "A. Pre-Disaster (Mitigation)," includes measures like building codes (IS 1893), earthquake-resistant construction, anchoring heavy furniture, and community training. The second phase, "B. During Earthquake," focuses on the "DROP → COVER → HOLD" protocol, illustrated with three diagrams showing a person dropping to the ground, taking cover under a sturdy table, and holding on. The instructor emphasizes staying away from windows and heavy furniture and not using elevators. The third phase, "C. Post-Earthquake," involves evacuating damaged buildings, providing first aid, checking for gas and electricity leaks, and avoiding fallen wires. The video then moves to a slide with a table, "Table 2.1.2: List of significant Earthquakes in India," which lists major historical earthquakes by year, location, and magnitude. The final slide discusses India's national response, mentioning the National Disaster Response Force (NDRF) as the first responder, the National Disaster Management Authority (NDMA), and the Disaster Management Act of 2005. It also introduces two mobile apps: 'India Quake' for real-time earthquake information and 'Sagar Vani' for tsunami warnings.

The lecture provides a comprehensive overview of earthquakes, progressing from fundamental scientific classification to practical safety protocols and national-level preparedness. It begins by defining the four primary types of earthquakes, establishing a scientific foundation. It then transitions to a practical, action-oriented framework for risk reduction, clearly delineating the necessary actions before, during, and after an earthquake. The final segment grounds this knowledge in a real-world context by detailing India's institutional response, including the NDRF, NDMA, and the legal framework of the Disaster Management Act, and highlights the use of modern technology through mobile applications for public safety. This structure effectively moves from theory to practice, culminating in a discussion of national policy and technology.

Loading lesson…