![]() ![]() While each whole number increase in magnitude represents a tenfold increase in the measured amplitude, it represents an 32 times more energy release. An earthquake releases energy at many frequencies, and in order to compute an accurate value, you have to include all frequencies of shaking for the entire event. The amount of energy radiated by an earthquake is a measure of the potential for damage to man-made structures. (Courtesy Incorporated Research Institutes for Seismology, IRIS.)Īnother way to measure the size of an earthquake is to compute how much energy it released. Visit Media to see details.Įarthquake magnitudes and energy release, and comparison with other natural and man-made events. Sources/Usage: Some content may have restrictions.
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