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  2. Earthquake - Wikipedia

    en.wikipedia.org/wiki/Earthquake

    Normal faults occur mainly in areas where the crust is being extended such as a divergent boundary. Earthquakes associated with normal faults are generally less than ...

  3. What causes earthquakes? The science behind why seismic ... - AOL

    www.aol.com/news/causes-earthquakes-science...

    Earthquakes are common on the West Coast, with multiple plate boundaries like the San Andreas fault making geologic activity more likely. They are rarer on the East Coast, but they do happen .

  4. Types of earthquake - Wikipedia

    en.wikipedia.org/wiki/Types_of_earthquake

    Induced seismicity, typically minor earthquakes and tremors that are caused by human activity that alters the stresses and strains on the Earth's crust. [10] Interplate earthquake, an earthquake that occurs at the boundary between tectonic plates. [11] Intraplate earthquake, an earthquake that occurs within the interior of a tectonic plate. [12 ...

  5. Earthquakes happen all the time, you just can't feel them. A ...

    www.aol.com/earthquakes-happen-time-just-cant...

    About 55 earthquakes a day – 20,000 a year – are recorded by the National Earthquake Information Center. Most are tiny and barely noticed by people living where they happen.

  6. Why do earthquakes happen? - AOL

    www.aol.com/why-earthquakes-happen-194636047.html

    Turkey is reeling after being hit by two powerful earthquakes in quick succession on Monday morning.. The first, the worst to strike the country since the Erzincan quake of 1939, measured 7.8 on ...

  7. Interplate earthquake - Wikipedia

    en.wikipedia.org/wiki/Interplate_earthquake

    An interplate earthquake occurs at the boundary between two tectonic plates. Earthquakes of this type account for more than 90 percent of the total seismic energy released around the world. [1] If one plate is trying to move past the other, they will be locked until sufficient stress builds up to cause the plates to slip relative to each other.

  8. Why do earthquakes happen? - AOL

    www.aol.com/causes-earthquake-natural-disaster...

    Movement of tectonic plates against each other sends seismic waves rippling across earth’s surface

  9. Seismic wave - Wikipedia

    en.wikipedia.org/wiki/Seismic_wave

    Most events occur at depths shallower than about 40 km, but some occur as deep as 700 km. P and S waves separating with time A quick way to determine the distance from a location to the origin of a seismic wave less than 200 km away is to take the difference in arrival time of the P wave and the S wave in seconds and multiply by 8 kilometers ...