More than 400 aftershocks recorded after magnitude 6.1 Luzon quake —PHIVOLCS

The Philippine Institute of Volcanology and Seismology on Tuesday morning said more than 400 aftershocks have been recorded so far after the magnitude 6.1 earthquake jolted Luzon on Monday.

According to a tweet posted by GMA News reporter Lala Roque, PHIVOLCS recorded 406 aftershocks as of 7 a.m. Tuesday.

Of this number, 62 were plotted and eight were felt.

Phivolcs as of 7am: 406 Recorded aftershocks, 62 plotted, 8 felt @gmanews @gmanetwork @UnangHirit @dzbb

— LalaRoque (@LalaRoque) April 22, 2019

Monday's tectonic earthquake, which occurred at 5:11 p.m., had its epicenter 18 kilometers northeast of Castillejos, Zambales, according to PHIVOLCS, which upgraded its magnitude to 6.1 after initially recording a magnitude 5.7 quake.

PHIVOLCS Deputy Director Bart Bautista said on Monday that more aftershocks may occur over the week. —KG, GMA News