Mag. 4.2 earthquake - 33 km southwest of Basco, Batanes, Cagayan Valley, Philippines, on 28 October 2020 - 07:37 AM (PST) -

Mag. 4.2 earthquake  - 33 km southwest of Basco, Batanes, Cagayan Valley, Philippines, on 28 October 2020 - 07:37 AM (PST)

Light magnitude 4.2 earthquake at 48 km depth

28 Oct 00:10 UTC: First to report: PHIVOLCS after 33 minutes.
28 Oct 13:10: Magnitude recalculated from 3.9 to 4.2. Hypocenter depth recalculated from 33.0 to 48.0 km (from 21 to 30 mi). Epicenter location corrected by 43 km (27 mi) towards SSE.
Date & time: 27 Oct 2020 11:37:00 UTC -
Local time at epicenter: 28 October 2020 - 07:37 AM (PST)
Magnitude: 4.2
Depth: 48.0 km
Epicenter latitude / longitude: 20.19°N / 121.81°E (Philippines)
Nearest volcano: Unnamed (26 km / 16 mi)
Nearby towns and cities:
33 km (21 mi) SSW of Basco (Batanes) (pop: 7,300)
192 km (119 mi) NNE of Claveria (Cagayan) (pop: 10,600)
205 km (127 mi) N of Aparri (Cagayan) (pop: 33,200)
256 km (159 mi) NNE of Laoag (pop: 102,100)
271 km (168 mi) NNE of Batac City (pop: 53,500)
286 km (178 mi) N of Tuguegarao City (pop: 115,100)
311 km (193 mi) SSE of Kaohsiung City (Taiwan) (pop: 1,519,700)
541 km (336 mi) S of Taipei (Taiwan) (pop: 7,871,900)
Weather at epicenter at time of quake:
Heavy Intensity Rain 27.4°C (81 F), humidity: 84%, wind: 12 m/s (23 kts) from ENE
Primary data source: PHIVOLCS
Estimated released energy: 1.3 x 1011 joules (35 megawatt hours, equivalent to 30.1 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.
M 4.248 km018 Km S 23° W of Sabtang (Batanes), PhilippinesPHIVOLCS
M 4.535 kmBatan Isl Region, PhilippinesEMSC
M 4.535 km95 Km SSE of Basco, PhilippinesUSGS
M 4.535 km95 Km SSE of Basco, PhilippinesUSGS

User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Earlier earthquakes in the same area since 1900

Mag. 4.2 earthquake - 33 km southwest of Basco, Batanes, Cagayan Valley, Philippines, on 28 October 2020 - 07:37 AM (PST)

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