Philippine authorities report an earthquake swarm offshore of Claveria, Masbate. The Philippine Institute of Volcanology and Seismology (Phivolcs) says the activity began at 8:52 a.m. on July 13 and that a total of 54 earthquakes have been recorded as of Tuesday, spanning until 4 p.m. on July 14. Phivolcs states that 28 of the quakes have been plotted and that five earthquakes have been felt. The five felt events reached a maximum intensity of Intensity V (strong) on the Philippine Earthquake Intensity Scale. Reported earthquake magnitudes range from 1.6 to 5.4, according to Phivolcs figures cited in the reports.
In parallel, Phivolcs urges residents near the shoreline to remain vigilant and to be aware of natural warning signs that could indicate a possible tsunami. The guidance reflects standard preparedness measures while monitoring continues. No additional details on the causes of the swarm or the issuance of specific tsunami advisories are included in the provided accounts.
