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Table 2 Parameters related to synthesizing ground motions by the EGFM

From: Characterized source model of the 2013 Lushan earthquake (Mw 6.6) by the empirical Green’s function method

Parameters

Search ranges

Determined values

Rupture velocity (km/s)

(0.55–0.95)*Vsa

2.68

Rise time (s) for the EGF event

0.01–0.20

0.07b

C

1.28–3.87

2.68

N

7–12

9

Indices of rupture starting point

(1–N, 1–N)

(5, 4)

  1. aVs = 3.5 km/s
  2. bRise time for the mainshock Γ = Nτa = 0.63 s
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