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Table 1 Relation between a and γ values

From: Investigation on relationship between epicentral distance and growth curve of initial P-wave propagating in local heterogeneous media for earthquake early warning system

a value

γ value

150 m

−6.71 × 10−1

200 m

−4.42 × 10−1

600 m

−2.94 × 10−1

1000 m

−2.23 × 10−1