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Table 1 Model parameters of the Mogi sources and calculated TMF for Phases 1 and 2 (Fig. 10—top left and right) and Phases 3a, 3b and 3c at the time of the maximum pressure changes (Fig. 10—bottom left and right)

From: The 2010 seismovolcanic crisis at Taal Volcano (Philippines)

Phase x 0 (km) y 0 (km) D (km) a (km) ΔP (MPa) dF (DAK) (nT)
Phase 1 1.24 − 0.83 5.0 0.874 5 − 0.27
Phase 2 0.76 − 0.01 2.5 0.874 5 − 1.2
Phase 3a 1.0 0.0 2.5 1.5 0.165 − 0.3
Phase 3b 1.0 0.0 2.5 1.5 0.65 − 1.3
Phase 3c 1.0 0.0 2.5 1.5 0.65 − 1.3
  1. (x0, y0) is the horizontal location of the center of the Mogi source, D its depth, a its radius and ∆P the internal hydrostatic pressure, respectively. dF are the computed values. The origin of the horizontal coordinates is taken at (14.01°N, 121.00°E), which is located around the center of the MCL