Weak mag. 3.1 earthquake - South China Sea, 91 km southwest of Basco, Batanes, Cagayan Valley, Philippines, on 24 September 2020 - 01:39 AM (PST) -

Weak mag. 3.1 earthquake - South China Sea, 91 km southwest of Basco, Batanes, Cagayan Valley, Philippines, on 24 September 2020 - 01:39 AM (PST)

Weak magnitude 3.1 earthquake at 24 km depth

23 Sep 17:50 UTC: First to report: PHIVOLCS after 11 minutes.
24 Sep 13:00: Magnitude recalculated from 3.0 to 3.1. Epicenter location corrected by 46 km (29 mi) towards NNE.
Date & time: 23 Sep 2020 17:39:00 UTC -
Local time at epicenter: 24 September 2020 - 01:39 AM (PST)
Magnitude: 3.1
Depth: 24.0 km
Epicenter latitude / longitude: 19.98°N / 121.25°E (South China Sea, Philippines)
Nearest volcano: Babuyan Claro (88 km / 55 mi)
Nearby towns and cities:
91 km (57 mi) SW of Basco (Batanes) (pop: 7,300) --> See nearby quakes!
185 km (115 mi) NNW of Aparri (Cagayan) (pop: 33,200) --> See nearby quakes!
210 km (130 mi) NNE of Laoag City (pop: 102,100) --> See nearby quakes!
212 km (132 mi) NNE of San Nicolas (Ilocos Norte) (pop: 34,200) --> See nearby quakes!
226 km (140 mi) NNE of Batac City (pop: 53,500) --> See nearby quakes!
263 km (163 mi) N of Solana (pop: 71,500) --> See nearby quakes!
268 km (166 mi) N of Tuguegarao City (pop: 115,100) --> See nearby quakes!
283 km (176 mi) NNE of Vigan City (pop: 48,500) --> See nearby quakes!
322 km (200 mi) NNW of Ilagan (pop: 72,400) --> See nearby quakes!
599 km (372 mi) N of Manila (pop: 1,600,000) --> See nearby quakes!
Weather at epicenter at time of quake:
Broken Clouds 28.4°C (83 F), humidity: 75%, wind: 5 m/s (10 kts) from NE
Primary data source: PHIVOLCS (Philippine Institute of Volcanology and Seismology)
Estimated released energy: 2.8 x 109 joules (783 kilowatt hours, equivalent to 0.674 tons of TNT) More info
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Data for the same earthquake reported by different agencies

Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.
MagnitudeDepthLocationSource
3.124 km083 Km N 16° W of Calayan (Cagayan), PhilippinesPHIVOLCS
3.024 kmBabuyan Isl Region, PhilippinesEMSC

User reports for this quake (1)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Palinpinon valencia / Very strong shaking (MMI VII) / vibration and rolling / 1-2 s
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Earlier earthquakes in the same area

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