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Sources of 2012 Brawley Earthquake Sequence

Sources of 2012 Brawley Earthquake Sequence. Oct./11/ 2012 @ Gutenberg Lib. Fuis and Kohler, 1984. 4hours. >10.Hz. 0.5~2.0Hz. 2~4Hz. 4~12Hz. Questions. 1, Robustness of the asperity depth of the two events, and their relation with the frequency content and the physics of the rock.

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Sources of 2012 Brawley Earthquake Sequence

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  1. Sources of 2012 Brawley Earthquake Sequence Oct./11/ 2012 @ Gutenberg Lib

  2. Fuis and Kohler, 1984

  3. 4hours

  4. >10.Hz 0.5~2.0Hz 2~4Hz 4~12Hz

  5. Questions • 1, Robustness of the asperity depth of the two events, and their relation with the frequency content and the physics of the rock. • 2, What determines the long period motion in the vertical components for a couple events? (centroid depth, liquefaction, ground shaking?) • 3, Centroid depth of the M4.9 normal EQ and its relation with the strike of the M>5 EQs. • 4, How well can the epicenter location be located, how did earthquakes initiate? • 5, Is the high-freq and low-freq coming from the same location? • 6, Instrument response from strong motion center

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