Comparison of geomagnetic storm and non-storm periods mid-latitude Pc1 pulsations characteristics | Journal of Space Weather and Space Climate

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Table 1

Summarized information of BOH Pc1 wave events with a classification of geomagnetic storm intensity.

#	I_storm range	Number of events				$\bar{w_{p}}$ $\overline{{{w}}_{{p}}}$ (Hz)	Mean of five longest T_d (days)
#	I_storm range	Total	~1.0 Hz	1.0~2.0 Hz	2.0 Hz~	$\bar{w_{p}}$ $\overline{{{w}}_{{p}}}$ (Hz)	Mean of five longest T_d (days)
Moderate storm	−50~−100 nT	14	13	0	1	0.73	7.68
Strong storm	−100~−200 nT	14	0	12	2	1.48	11.97
Severe storm	−200 nT~	13	0	7	6	1.95	11.04

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