Seismotectonics of six moderate magnitude, thrust-mechanism earthquakes (shown by beachballs) occurring in the same region in Batangas, southern Luzon, Philippines, within a period of five months (July 24 to December 13, 2021). Result of Coulomb stress change modeling shown. July 24 magnitude-6.6 as source, with optimally-oriented fault as receiver. References: Jarvis et al., 2008 for SRTM topography; Weatherall et al., 2020 for bathymetry; Toda et al., 2011 for Coulomb stress transfer modeling; PHIVOLCS for earthquake data. GMT (Wessel and Smith, 1995) was used to generate the map. See text for more discussion. Credit: Aurelio, Catugas, Escudero, Lagmay,Tapang

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Seismotectonics of six moderate magnitude, thrust-mechanism earthquakes (shown by beachballs) occurring in the same region in Batangas, southern Luzon, Philippines, within a period of five months (July 24 to December 13, 2021). Result of Coulomb stress change modeling shown. July 24 magnitude-6.6 as source, with optimally-oriented fault as receiver. References: Jarvis et al., 2008 for SRTM topography; Weatherall et al., 2020 for bathymetry; Toda et al., 2011 for Coulomb stress transfer modeling; PHIVOLCS for earthquake data. GMT (Wessel and Smith, 1995) was used to generate the map. See text for more discussion. Credit: Aurelio, Catugas, Escudero, Lagmay,Tapang

Seismotectonics of six moderate magnitude, thrust-mechanism earthquakes (shown by beachballs) occurring in the same region in Batangas, southern Luzon, Philippines, within a period of five months (July 24 to December 13, 2021). Result of Coulomb stress change modeling shown. July 24 magnitude-6.6 as source, with optimally-oriented fault as receiver. References: Jarvis et al., 2008 for SRTM topography; Weatherall et al., 2020 for bathymetry; Toda et al., 2011 for Coulomb stress transfer modeling; PHIVOLCS for earthquake data. GMT (Wessel and Smith, 1995) was used to generate the map. See text for more discussion. Credit: Aurelio, Catugas, Escudero, Lagmay,Tapang

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