Happy New Year to you all
Just a quick reminder about the Intensity V Magnitude of an Earthquake. While there is a correlation it is often not linear. Instruments measure the intensity of an earthquake using Peak ground acceleration (PGA). This is equal to the maximum ground acceleration that occurred during earthquake shaking at a location. Measured in gravity (g) or Gal where 1g=981Gal. The magnitude often using the Moment Magnitude (often mislabelled as Richter) scale is the amount of energy released.
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Jenlogix and San LienEarthquake Warning Systems Archives
September 2021
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