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Earth, Planets and Space

Table 2 Nominal parameters for the broadband seismometer used in this study (Trillium Compact 120S)

From: Precursory tilt changes associated with a phreatic eruption of the Hakone volcano and the corresponding source model

Parameter

Nominal values

Units

Poles (p1-p7)

−0.03691 ± 0.03712i, −371.2, −373.9 ± 475.5i, −588.4 ± 1508i

rad/s

Zeros (z3)

0,0,–434.1

rad/s

Normalization factor κ

8.18 × 1011

(rad/s)4

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