Aurora: A series of mild tectonic earthquakes rattled parts of Aurora province early Wednesday, with the strongest registering magnitude 4.0, the Philippine Institute of Volcanology and Seismology (PHIVOLCS) reported. The strongest tremor occurred at 12:54 a.m., located 9 km northwest of San Luis, Aurora, at a depth of 6 km. Instrumental Intensity II was reported in San Luis, Aurora, and Maddela, Quirino.

According to Philippines News Agency, the initial tremor was preceded by a magnitude 3.0 quake at 12:24 a.m., located 41 km southeast of Baler at a depth of 3 km, which registered Instrumental Intensity I in Dingalan, Aurora. Following this, three subsequent tremors were recorded: a magnitude 3.2 quake at 2:13 a.m., 36 km southeast of Baler; a magnitude 3.0 quake at 2:15 a.m., 41 km southeast of San Luis; and a magnitude 1.7 quake at 5:27 a.m., 44 km southeast of Baler.

PHIVOLCS stated that the quakes were tectonic in origin and caused no damage. No casualties or significant incidents have been reported. Local authorities are monitoring the situation and have urged residents to stay alert and follow official advisories.