A magnitude 4.5 tectonic earthquake was felt in parts of Antique province on the afternoon of Saturday, June 6, 2026, according to the Philippine Institute of Volcanology and Seismology (PHIVOLCS-DOST). The agency reports that no damage and no aftershocks are expected from the event.
What Happened and Where
The earthquake struck at 5:07 PM Philippine Standard Time (PHT) on June 6, 2026. PHIVOLCS-DOST recorded it as a Magnitude 4.5 (Mw) tectonic earthquake, originating at a very shallow depth of 3 kilometers.
The epicenter was placed at coordinates 10.19°N, 121.57°E — approximately 48 kilometers south-southwest of Anini-y, Antique, placing it offshore in the waters west of the Antique coastline. An epicentral map has been made available by PHIVOLCS-DOST as part of this bulletin.
Who Felt It and How Strong
The earthquake was felt at measurable intensities in Antique province. Using the PHIVOLCS Earthquake Intensity Scale (PEIS), shaking was recorded as follows:
Reported Intensities
Intensity II was reported in Anini-y and San Jose de Buenavista, Antique. At Intensity II on the PEIS, shaking is faint — felt by a few people at rest, with slight vibrations similar to a passing vehicle.
Instrumental Intensities
PHIVOLCS-DOST's seismic instruments recorded the following:
Intensity II — San Jose de Buenavista, Antique
Intensity I — Anini-y, Culasi, and Valderrama, Antique
Intensity I on the PEIS is scarcely perceptible — detectable by instruments but not generally felt by people.
Damage and Aftershock Assessment
PHIVOLCS-DOST has assessed that this earthquake is not expected to cause damage and that no aftershocks are anticipated. The agency has stated that this will be the only bulletin issued for this event unless additional information becomes available.
Official Monitoring
This bulletin was issued by PHIVOLCS-DOST at 10:58 PM PHT on June 6, 2026, and was prepared by the agency's duty seismologists. The public is encouraged to refer to the latest earthquake information posted on the official PHIVOLCS website.
Monitor official PHIVOLCS updates at phivolcs.dost.gov.ph