MANILA, Philippines (Updated) — A magnitude 4.8 earthquake rocked Donsol town in Sorsogon on Friday evening, prompting several aftershocks, the state seismology bureau reported.
The Philippine Institute of Volcanology and Seismology (Phivolcs) reported that the location of the quake, recorded at 10:28:55 p.m., was eight kilometers south of Donsol town in Sorsogon.
The quake, which was tectonic in origin, had a depth of 20 kilometers.
#EarthquakePH #EarthquakeSorsogon#iFelt_SorsogonEarthquake
Earthquake Information No.2
Date and Time: 17 Dec 2021 – 10:28 PM
Magnitude = 4.8
Depth = 020 kilometers
Location = 12.85N, 123.56E – 008 km S 31° W of Donsol (Sorsogon)https://t.co/zZZlVui4h6 pic.twitter.com/vMMoT6UOzN
— PHIVOLCS-DOST (@phivolcs_dost) December 17, 2021
Phivolcs initially reported that the quake occurred at 5.0, but later revised it to magnitude 4.8.
Intensity five was felt in Donsol, Sorsogon; Intensity four in Pilar, Sorsogon; and Intensity three at Irosin and Juban, Sorsogon; Legazpi City; and Canaman, Camarines Sur.
Instrumental intensity were also recorded in nearby areas, namely:
- Intensity III – Legazpi City
- Intensity II – Iriga City; Pili, Camarines Sur; Malunay, Quezon
- Intensity I – Sipocot, Camarines Sur
Several aftershocks were recorded after the earthquake in Donsol, Sorsogon.
The tremor in Donsol, Sorsogon was followed by a 2.5 earthquake at around 10:32 pm; magnitude 2.3 earthquake at 10:33 pm; magnitude 3.1 at 10:41 pm; magnitude 2.4 at 10:44 pm and magnitude 4.0 at 10:58 p.m.