Table 2 Statistical information on spikes from 21/07/2009 to 31/07/2009 recognized by eye on magnetograms.
From: Automated recognition of spikes in 1 Hz data recorded at the Easter Island magnetic observatory
Channel | Number of spikes | Min amplitude, nT | Max amplitude, nT | Mean amplitude, nT | Min duration, s | Max duration, s | Mean duration, s |
|---|---|---|---|---|---|---|---|
X | 853 | 0.100 | 12.630 | 1.200 | 7 | 449 | 26.917 |
Y | 844 | 0.140 | 12.430 | 0.972 | 9 | 449 | 27.096 |
Z | 774 | 0.090 | 106.510 | 0.570 | 7 | 449 | 27.722 |
F | 846 | 0.088 | 61.130 | 0.932 | 6 | 449 | 31.072 |