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  2. Doppler effect - Wikipedia

    en.wikipedia.org/wiki/Doppler_effect

    The same sound source is radiating sound waves at a constant frequency in the same medium. However, now the sound source is moving with a speed υ s = 0.7 c. Since the source is moving, the centre of each new wavefront is now slightly displaced to the right. As a result, the wave-fronts begin to bunch up on the right side (in front of) and ...

  3. List of tectonic plate interactions - Wikipedia

    en.wikipedia.org/wiki/List_of_tectonic_plate...

    Obduction zones occurs when the continental plate is pushed under the oceanic plate, but this is unusual as the relative densities of the tectonic plates favours subduction of the oceanic plate. This causes the oceanic plate to buckle and usually results in a new mid-ocean ridge forming and turning the obduction into subduction. [citation needed]

  4. Love wave - Wikipedia

    en.wikipedia.org/wiki/Love_wave

    The Love wave is a result of the interference of many shear waves guided by an elastic layer, which is welded to an elastic half space on one side while bordering a vacuum on the other side. In seismology , Love waves (also known as Q waves ( Q uer: German for lateral)) are surface seismic waves that cause horizontal shifting of the Earth ...

  5. Plate tectonics - Wikipedia

    en.wikipedia.org/wiki/Plate_tectonics

    Plate tectonics (from Latin tectonicus, from Ancient Greek τεκτονικός (tektonikós) 'pertaining to building') [1] is the scientific theory that Earth's lithosphere comprises a number of large tectonic plates, which have been slowly moving since 3–4 billion years ago.

  6. Earthquake - Wikipedia

    en.wikipedia.org/wiki/Earthquake

    Earthquakes result in various effects, such as ground shaking and soil liquefaction, leading to significant damage and loss of life. When the epicenter of a large earthquake is located offshore, the seabed may be displaced sufficiently to cause a tsunami. Earthquakes can trigger landslides.

  7. The Earth's tectonic plates made the Himalayas — and could ...

    www.aol.com/news/earth-tectonic-plates-made...

    Tectonic plates are made up of Earth’s crust and the rigid top layer of the mantle, known as the lithospheric mantle. The planet has around a dozen large and irregularly shaped tectonic plates ...

  8. Mountain formation - Wikipedia

    en.wikipedia.org/wiki/Mountain_formation

    These processes are associated with large-scale movements of the Earth's crust (tectonic plates). [1] Folding, faulting, volcanic activity, igneous intrusion and metamorphism can all be parts of the orogenic process of mountain building. [2] The formation of mountains is not necessarily related to the geological structures found on it. [3]

  9. A Massive Crack in the Ground Just Appeared - AOL

    www.aol.com/news/massive-crack-ground-just...

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