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  1. Moment magnitude
    Moment magnitude (M w ) is considered the authoritative magnitude scale for ranking earthquakes by size. It is more directly related to the energy of an earthquake than other scales, and does not saturate—that is, it does not underestimate magnitudes as other scales do in certain conditions.

    Moment magnitude scale - Wikipedia

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    What is the seismic moment scale?
    The moment magnitude scale (MMS) measures the total energy released by an earthquake. It now supersedes the Richter magnitude scale which measures the height of a seismic wave. The two scales have similar magnitudes if the earthquakes are between 3.0 and 7.0.

    Seismic moment - Wikipedia

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    What scale is used to measure seismic waves?
    The seismic waves are measured by a seismograph. A seismograph is an instrument that records and measures seismic waves. Geologists today often use the moment magnitude scale, a rating system that estimates the total energy released by an earthquake.

    What tool is used to measure the energy waves of an earthquake? – Si…

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    What are the earthquake scales?
    What are the three earthquake scales? The Richter scale is most common in the United States, while worldwide, scientists rely on the Mercalli scale. The moment magnitude scale is another earthquake measurement scale used by some seismologists. All three scales provide useful information in measuring and analyzing earthquakes across the globe.

    The Earthquake Scale, Earthquake Facts and Earthquake History

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    What is the highest magnitude an earthquake can reach?
    What is the highest magnitude an earthquake can reach? According to the USGS, earthquakes of magnitude 10 or larger cannot happen. The largest earthquakeever recorded was a magnitude 9.5. It occurred in 1960 near Valdivia, Chile, where the Nazca plate subductsunder the South American plate. More on this topic.

    What is the highest magnitude an earthquake can reach ...

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    Seismic magnitude scales - Wikipedia

    https://en.wikipedia.org/wiki/Seismic_magnitude_scales

    Seismic magnitude scales are used to describe the overall strength or "size" of an earthquake. These are distinguished from seismic intensity scales that categorize the intensity or severity of ground shaking (quaking) caused by an earthquake at a given location. Magnitudes are usually determined from … See more

    Earthquake magnitude and ground-shaking intensity

    The Earth's crust is stressed by tectonic forces. When this stress becomes great enough to rupture the crust, or to overcome the friction that prevents one block of crust from slipping past another, energy is released, … See more

    Magnitude scales

    An earthquake radiates energy in the form of different kinds of seismic waves, whose characteristics reflect the nature of both the rupture and the earth's crust the waves travel through. … See more

    General and cited sources

    • Abe, K. (April 1979), "Size of great earthquakes of 1837–1874 inferred from tsunami data", Journal of Geophysical Research, 84 (B4): 1561–1568, Bibcode:1979JGR....84.1561A See more

    Magnitude scales image
    See also

    • Magnitude of completeness See more

    Citations

    1. ^ Bormann, Wendt & Di Giacomo 2013, p. 37. The relationship between magnitude and the energy released is complicated. See §3.1.2.5 and §3.3.3 for details.
    2. ^ Bormann, Wendt & Di Giacomo 2013, §3.1.2.1. See more

    External links

    • Perspective: a graphical comparison of earthquake energy release – Pacific Tsunami Warning Center
    • USGS ShakeMap Providing near-real-time maps of ground motion … See more

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  4. Seismic magnitude scales - Simple English Wikipedia, …

    https://simple.wikipedia.org/wiki/Seismic_magnitude_scales

    WebSeismic magnitude scales are used to describe the overall strength or "size" of an earthquake. 1 Earthquake magnitude and ground-shaking intensity; 2 Magnitude scales …

  5. Talk:Seismic magnitude scales - Wikipedia

    https://en.wikipedia.org/wiki/Talk:Seismic_magnitude_scales
    • @A876:Re your renaming of this page (and related pages) from the plural form to the singular form. That is incorrect. The "generally accepted standard" pertinent here is found at WP:PLURALS, which starts: "In general, Wikipedia articles have singular titles". But! "Exceptions exist". Notably: articles on groups or classes of specific things. Partic...
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  6. Moment magnitude scale - Wikipedia

    https://en.wikipedia.org/wiki/Moment_magnitude_scale

    The moment magnitude scale (MMS; denoted explicitly with Mw  or Mw, and generally implied with use of a single M for magnitude ) is a measure of an earthquake's magnitude ("size" or strength) based on its seismic moment. It was defined in a 1979 paper by Thomas C. Hanks and Hiroo Kanamori. Similar to the local magnitude scale (ML ) defined by Charles Francis Richter in 1935, it uses a logarithmic scale; small earthquakes have approximately the same magnitudes on both s…

    Wikipedia · Text under CC-BY-SA license

  7. Environmental Seismic Intensity scale - Wikipedia

    https://en.wikipedia.org/wiki/Environmental...

    WebThe international effort to develop a new scale of macroseismic intensity that would focus exclusively on environmental effects of earthquakes …

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    • Seismic magnitude scales - Wikiwand

      https://www.wikiwand.com/en/Seismic_magnitude_scales

      WebSeismic magnitude scales are used to describe the overall strength or "size" of an earthquake. These are distinguished from seismic intensity scales that categorize the …

    • Richter magnitude scale - Wikipedia

      https://en.wikipedia.org/wiki/Richter_magnitude_scale

      WebPrior to the development of the magnitude scale, the only measure of an earthquake's strength or "size" was a subjective assessment of the intensity of shaking observed …

    • Japan Meteorological Agency seismic intensity scale

      https://en.wikipedia.org/wiki/Japan_Meteorological...

      Web11 rows · The Japan Meteorological Agency Seismic Intensity Scale is a seismic intensity scale used in Japan to categorize the intensity of local ground shaking caused by …

    • Category:Articles using Mw magnitude scale - Wikipedia

      https://en.wikipedia.org/wiki/Category:Articles_using_Mw_magnitude_scale

      WebCategory:Articles using Mw magnitude scale. This is a tracking category. It is used to build and maintain lists of pages—primarily for the sake of the lists themselves and their use in …

    • Seismic magnitude scales - Magnitude scales - Moment …

      https://www.basedig.com/wikipedia/00seismic...

      WebSeismic magnitude scales - Magnitude scales - Moment magnitude and energy magnitude scales Download in Excel, CSV or JSON. Structured data parsed from …

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