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Manila Bulletin devider Philippines devider National devider Magnitude 5.3 quake jolts Isabela — Phivolcs

Magnitude 5.3 quake jolts Isabela — Phivolcs

Published Apr 23, 2023 10:57 am
A 5.3-magnitude earthquake jolted Isabela province on Sunday afternoon, April 23, said the Philippine Institute of Volcanology and Seismology (Phivolcs). Phivolcs said the quake struck 28 kilometers northeast of Maconacon town, Isabela province around 5:19 p.m.  It was initially measured as a 5.6-magnitude earthquake, but Phivolcs later revised it to magnitude 5.3. Phivolcs said the quake was felt at Intensity V (strong) in Maconacon, Isabela; Intensity IV (moderately strong) in Delfin Albano in Isabela and Tuguegarao City, Peñablanca and Enrile in Cagayan; Intensity III (weak) in Luna, Flora and Santa Marcela in Apayao and Cabagan, San Pablo and Santa Maria in Isabela; and Intensity II (slightly felt) in Jones, Angadanan, San Isidro, Dinapigue, Cordon, Ramon, San Manuel, San Mateo and Cauayan in Isabela, Piddig and San Nicolas in Ilocos Norte, and Banayoyo in Ilocos Sur. (PHIVOLCS)
Its instruments also recorded the tremor at Intensity V in Peñablanca, Cagayan; Intensity IV in Gonzaga, Cagayan; Intensity III in Ilagan, Isabela; Intensity II in Casiguran in Aurora, Batac, Pasuquin and Laoag City in Ilocos Norte, Santiago City in Isabela, Tabuk in Kalinga, and Madella in Quirino; and Intensity I (scarcely perceptible) in Bangued in Abra, Baler and Diapaculao in Aurora, Vigan City and Sinait in Ilocos Sur, and Bayombong in Nueva Vizcaya. Phivolcs said the earthquake was tectonic, which means it was caused by the movement of an active fault near the area. However, it does not expect damage or aftershocks because of this earthquake. It noted that the earthquake may not have caused damage to houses, buildings, and other infrastructure, but advised the public to remain vigilant as aftershocks may occur.

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