Ionospheric Anomalies Related to the (M = 7.3), August 27, 2012, Puerto Earthquake, (M = 6.8), August 30, 2012 Jan Mayen Island Earthquake, and (M = 7.6), August 31, 2012, Philippines Earthquake: Two-Dimensional Principal Component Analysis
Figure 4
(a) The figures show the GIMs at the time 04:20 to 04:45 on 02 September 2012 (UT). (b) The figures give a color-coded scale of the magnitudes of principal eigenvalues of 2DPCA corresponding to Figure 4(a). (c) The figures give a color-coded scale of the magnitudes of principal eigenvalues of PCA corresponding to Figure 4(a).
