Figure 1b Cross section showing the vertical distribution of earthquakes (magnitude 7.4 mainshock and 24 succeeding events with magnitudes between 4.9 to 6.8) in focal mechanism solution plots. Small pale dots indicate historical earthquakes. Approximate trace of the subducting Philippine Sea Plate is shown. Data sources same as in Figure 1a. See text for more discussion. Credit: Aurelio, Catugas, Anicete, 2023.
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