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Table 1 Grid search ranges and intervals for the waveform inversions

From: Waveform inversion of the ultra-long-period seismic event associated with ground tilt motion during an eruption of Mount Kusatsu–Shirane, Japan, on January 23, 2018

Parameter

Range

Interval

East [m]

\(-3000\le \mathrm{x}\le 3000\)

\(400\)

North [m]

\(-200\le \mathrm{y}\le 1400\)

\(400\)

Elevation [m]

\(200\le \mathrm{z}\le 1400\)

\(400\)

θ [°]

\(0\le\uptheta \le 90\)

\(5\)

φ [°]

\(0\le\upphi \le 355\)

\(5\)