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Table 3 Conditions of the second search for candidates (d) and (g)

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

Candidate

Parameter

Range

Interval

(d)

East [m]

\(- 1800\le x\le 600\)

\(200\)

North [m]

\(- 1000\le y\le 1800\)

\(200\)

Elevation [m]

\(1000\le z\le 1800\)

\(200\)

θ [°]

\(0\le \theta \le 90\)

\(5\)

φ [°]

\(40\le \phi \le 110,\) \(225\le \phi \le 300\)

\(5\)

(g)

East [m]

\(- 2200\le \mathrm{x}\le - 200\)

\(200\)

North [m]

\(- 1000\le \mathrm{y}\le 200\)

\(200\)

Elevation [m]

\(600\le \mathrm{z}\le 1400\)

\(200\)

θ [°]

\(50\le \theta \le 90\)

\(5\)

φ [°]

\(60\le \phi \le 120,\)

\(250\le \phi \le 310\)

\(5\)