The Triggering Mechanism for the Largest Aftershock (M_S=6.3) of the Great Luhuo Event (M_S=7.

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The Great Luhuo Event ( M S=7 6) occurred on February 6, 1973 in Sichuan Province. There were a lot of aftershocks in the source area. The largest aftershock ( M S=6 3) occurred along a normal fault zone between the Xianshuihe Fault and the
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