Use of STNRW and DFA methods to discriminate between explosions and natural earthquakes

Raquel Romes Linhares

Resumo


Seismic waves are waves of energy arising from human activities, such as a large human- made explosion that gives out low-frequency acoustic energy, or from natural phenomena such as large landslides, magma movement or volcanic eruptions. The presence of the human-made explosion in a seismic catalog may result in errors of statistical analysis of seismicity. One of the major seismological recent challenges is to monitor human-made explosion arising from mining, road excavating, and other constructional applications. Therefore, the development of methodologies that ensure a correct identification of the type of source generating a recorded seismic signal is, from many perspectives, a very significant and critical issue [1, 4, 7]. [...]

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