Moderate mag. 4.6 earthquake - 9.5 km southeast of Cataingan, Masbate, Bicol, Philippines, on 17 August 2020 - 01:21 PM (PST) -

This quake was likely a foreshock of the 6.6 quake Philippine Sea, 5.4 km east of Cataingan, Philippines, Aug 18, 2020 12:03 am (GMT +0), which followed after 19 hours.
Moderate mag. 4.6 earthquake - 9.5 km southeast of Cataingan, Masbate, Bicol, Philippines, on 17 August 2020 - 01:21 PM (PST)

Moderate magnitude 4.6 earthquake at 2 km depth

17 Aug 05:40 UTC: First to report: PHIVOLCS after 19 minutes.
Date & time: Aug 17, 2020 05:21:00 UTC -
Local time at epicenter: 17 August 2020 - 01:21 PM (PST)
Magnitude: 4.6
Depth: 2.0 km
Epicenter latitude / longitude: 11.95°N / 124.06°E (Philippine Sea, Philippines)
Antipode: 11.95°S / 55.94°W
Nearest volcano: Biliran (66 km / 41 mi)
Nearby towns and cities:
7 km (5 mi) N of Limbuhan (pop: 3,190) --> See nearby quakes!
9 km (6 mi) SE of Cataingan (Masbate) (pop: 7,810) --> See nearby quakes!
18 km (11 mi) ENE of Placer (Masbate) (pop: 5,970) --> See nearby quakes!
60 km (37 mi) WSW of Calbayog City (pop: 67,900) --> See nearby quakes!
67 km (41 mi) SE of Masbate (pop: 47,500) --> See nearby quakes!
83 km (51 mi) SSE of Bulan (Sorsogon) (pop: 28,500) --> See nearby quakes!
83 km (52 mi) S of Irosin (pop: 20,700) --> See nearby quakes!
88 km (54 mi) SW of Catarman (pop: 47,400) --> See nearby quakes!
92 km (57 mi) WNW of Catbalogan (pop: 68,100) --> See nearby quakes!
445 km (277 mi) SE of Manila (pop: 1,600,000) --> See nearby quakes!
49 km (30 mi) SE of Masbate Island (pop: 706,900) --> See nearby quakes!
268 km (166 mi) NNE of Negros Island (pop: 4,414,100) --> See nearby quakes!
Primary data source: PHIVOLCS (Philippine Institute of Volcanology and Seismology)
Estimated released energy: 5 x 1011 joules (139 megawatt hours, equivalent to 120 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.
Mag.DepthLocationSource
4.62 km010 km S 45° E of Cataingan (Masbate) (Philippines)PHIVOLCS
4.110 kmLeyte, PhilippinesEMSC

User reports for this quake (8)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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near Talisay City, Cebu, Central Visayas (206.8 km S of epicenter) [Map] / Weak shaking (MMI III) : gentle swaying on 32nd floor in Cebu City  
Cubao, Quezon City / not felt
Cebu / Light shaking (MMI IV)
Tanauan Leyte / Light shaking (MMI IV)
Bulan Sorsogon / Weak shaking (MMI III)
Legazpi City, Alvat / Moderate shaking (MMI V)
Lapu-Lapu City, Cebu / Very weak shaking (MMI II) : Shook for quite few seconds  
Cataingan, Masbate / Strong shaking (MMI VI)
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