Between 11:39pm on January 13 and 5:50am the following day, 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.