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  1. What is a fault and what are the different types? - USGS.gov

    What is a fault and what are the different types? A fault is a fracture or zone of fractures between two blocks of rock. Faults allow the blocks to move relative to each other. This movement may …

  2. Fault (geology) - Wikipedia

    In geology, a fault is a planar fracture or discontinuity in a volume of rock across which there has been significant displacement as a result of rock-mass movements.

  3. Fault Activity Map of California

    Interactive map showcasing active fault lines and seismic activity in California for public awareness and safety planning.

  4. Faults: Definition, Types, Causes, and Geological Importance

    Jun 26, 2019 · Learn what geological faults are, how they form, and the main types of faults — normal, reverse, thrust, strike-slip, and oblique — with their causes and effects.

  5. Types of Faults With Photos - Geology In

    There are several types of faults, categorized based on the type of movement and the direction of stress acting on the rocks.These geological faults are responsible for earthquakes, mountain …

  6. Fault | Definition & Types | Britannica

    Nov 11, 2025 · fault, in geology, a planar or gently curved fracture in the rocks of Earth’s crust, where compressional or tensional forces cause relative displacement of the rocks on the …

  7. FAULT Definition & Meaning - Merriam-Webster

    fault, failing, frailty, foible, vice mean an imperfection or weakness of character. fault implies a failure, not necessarily culpable, to reach some standard of perfection in disposition, action, or …

  8. What is a Fault and What are the Different Types of Faults?

    Discover what a fault is, understand the different types of earthquake faults (seismic fracture or rupture) and how they can impact you. This comprehensive guide explores normal faults, …

  9. Different Types of Faults

    Jul 7, 2025 · Faults are fractures in the Earth’s crust where blocks of rock have moved past each other due to tectonic forces. These movements are caused by stresses such as compression, …

  10. What is a fault? - AMNH

    A fault is a rock fracture along which movement occurs. Normal faults develop where the crust stretches apart, as in the East African Rift Valley. In thrust faults, which are found at …