Moderate mag. 4.3 earthquake - 15 km north of Olongapo, Zambales, Central Luzon, Philippines, on 12 August 2020 - 10:47 AM (PST) -
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Moderate magnitude 4.3 earthquake at 9 km depth
12 Aug 04:40 UTC: First to report: PHIVOLCS after 1 hour and 53 minutes.
Date & time: 12 Aug 2020 02:47:00 UTC -
Local time at epicenter: 12 August 2020 - 10:47 AM (PST)
Magnitude: 4.3
Depth: 9.0 km
Epicenter latitude / longitude: 14.96°N / 120.33°E
(Zambales, Central Luzon, Philippines)Nearest volcano: Pinatubo (19 km / 12 mi)
Nearby towns and cities:
14 km (9 mi) NE of Subic (pop: 67,700) --> See nearby quakes!
15 km (9 mi) ENE of Castillejos (Zambales) (pop: 27,300) --> See nearby quakes!
15 km (10 mi) NNE of Olongapo City (pop: 221,200) --> See nearby quakes!
16 km (10 mi) NW of Dinalupihan (pop: 66,700) --> See nearby quakes!
34 km (21 mi) SW of Santol (pop: 299,000) --> See nearby quakes!
34 km (21 mi) SW of Angeles City (pop: 299,400) --> See nearby quakes!
38 km (24 mi) WSW of Bulaon (pop: 131,800) --> See nearby quakes!
39 km (24 mi) WSW of San Fernando (pop: 251,200) --> See nearby quakes!
77 km (48 mi) WNW of Caloocan City (National Capital Region) (pop: 1,500,000) --> See nearby quakes!
81 km (50 mi) WNW of Manila (National Capital Region) (pop: 1,600,000) --> See nearby quakes!
Primary data source: PHIVOLCS (Philippine Institute of Volcanology and Seismology)
Estimated released energy: 1.8 x 1011 joules (49.4 megawatt hours, equivalent to 42.5 tons of TNT) More info
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.
| Magnitude | Depth | Location | Source |
| 4.3 | 9 km | 013 km N 22° E of Olongapo City (Zambales) (Philippines) | PHIVOLCS |
| 4.3 | 9 km | Luzon, Philippines | EMSC |
User reports for this quake (3)
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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59 km E of epicenter [Map] / Very weak shaking (MMI II) : Slight shaking in just 2 seconds
87.4 km SE of epicenter [Map] / Light shaking (MMI IV) : I felt the shaking but not strong our lights swing for about 10 to 20 seconds (reported through our app)
80.8 km SE of epicenter [Map] / Very weak shaking (MMI II)
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