On February 13, the National Disaster Risk Reduction and Management Council (NDRRMC) and the Philippine Institute of Volcanology and Seismology (PHIVOLCS) have reported a total of 2,484 volcano tectonic earthquakes on the vicinity of the volcano since the eruption, 176 of which were felt. The strongest were a series of magnitude earthquakes originating northwest of Agoncillo, Batangas, which were recorded at least thrice: at 11:56pm on January 12, 3:11am on January 13, and 6:35am later that day. As a result, an Intensity III (weak) on the PHIVOLCS Earthquake Intensity Scale was felt in Tagaytay and an Intensity II (slightly felt) was felt in Malabon. Between 11:39pm on January 13, 2020 and 5:50am the following day, the PHIVOLCS reported a total of 44 earthquakes in the towns of Calaca, Laurel, Lemery, Mataasnakahoy, San Luis, Taal and Talisay in Batangas, and Alfonso in Cavite; among the strongest were a magnitude in Taal, which was felt at an Intensity III in Tagaytay, and a magnitude originating northeast of Talisay at 2:05am, measuring an Intensity IV (moderately strong) in Tagaytay and Intensity II in Malabon and Pasay.