Moderate mag. 5.1 earthquake - Philippine Sea, 44 km northeast of Tandag, Philippines, on Sunday, Nov 27, 2022 at 12:43 pm (GMT +8) -

An earthquake of magnitude 5.1 occurred 32 minutes ago 44 km northeast of Tandag, Philippines, the United States Geological Survey reported.
The quake hit at a moderately shallow depth of 49.7 km beneath the epicenter near Tandag, Surigao del Sur, Caraga, Philippines, around noon on Sunday, November 27th, 2022, at 12:43 pm local time. Magnitude and other quake parameters can still change in the coming hours as the agency continues to process seismic data.
Our monitoring service identified a second report from The Incorporated Research Institutions for Seismology (IRIS) which listed the quake at magnitude 5.1 as well. Other agencies reporting the same quake include the German Research Centre for Geosciences (GFZ) at magnitude 4.7, France's Réseau National de Surveillance Sismique (RéNaSS) at magnitude 5.1, the citizen-seismograph network of RaspberryShake at magnitude 5.1, and the European-Mediterranean Seismological Centre (EMSC) at magnitude 5.1.
Generally quakes of this magnitude are recorded by more than one agency and the results can vary, with subsequent reports that come in after the first one often showing more accuracy.
Based on the preliminary seismic data, the quake should not have caused any significant damage, but was probably felt by many people as light vibration in the area of the epicenter.
Weak shaking might have been felt in Cortes (pop. 3,000) located 28 km from the epicenter, Burgos (pop. 3,500) 29 km away, Tandag (pop. 29,000) 44 km away, Tago (pop. 6,300) 47 km away, Cantilan (pop. 9,400) 49 km away, Socorro (pop. 9,700) 55 km away, Butuan (pop. 309,700) 108 km away, and Libertad (pop. 250,400) 113 km away.
VolcanoDiscovery will automatically update magnitude and depth if these change and follow up if other significant news about the quake become available. If you're in the area, please send us your experience through our reporting mechanism, either online or via our mobile app. This will help us provide more first-hand updates to anyone around the globe who wants to know more about this quake.

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Based on its magnitude, the fault that was active during the quake ruptured along a surface of approx. 13 km² (=5 sqare miles) as a first-order estimate. The length of the rupture zone thus was probably around 6 km (4 mi).
Aftershocks typically occur during the days and weeks following the quake at or near the same fault, at distances of up to approx. two times the length of the rupture zone.
The often broadly linear arrangement of aftershock epicenters encompasses the rupture zone of the main shock (check on the map below to verify).

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