Mag. 3.3 earthquake - South China Sea, 8 km north of Basco, Batanes, Cagayan Valley, Philippines, on 10 October 2020 - 10:34 PM (PST) -
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Minor magnitude 3.3 earthquake at 1 km depth
10 Oct 14:45 UTC: First to report: PHIVOLCS after 11 minutes.
11 Oct 11:05: Hypocenter depth recalculated from 8.0 to 1.0 km (from 5 to 0.6 mi). Epicenter location corrected by 10.9 km (6.8 mi) towards ESE.
11 Oct 11:05: Hypocenter depth recalculated from 8.0 to 1.0 km (from 5 to 0.6 mi). Epicenter location corrected by 10.9 km (6.8 mi) towards ESE.
Local time at epicenter: 10 October 2020 - 10:34 PM (PST)
Magnitude: 3.3
Depth: 1.0 km
Epicenter latitude / longitude: 20.52°N / 121.98°E
(South China Sea, Philippines)Nearest volcano: Iraya (17 km / 11 mi)
Nearby towns and cities:
8 km (5 mi) N of Basco (Batanes) (pop: 7,300) --> See nearby quakes!
209 km (130 mi) SE of Hengchun (Taiwan) (pop: 31,300) --> See nearby quakes!
233 km (145 mi) NNE of Claveria (Cagayan) (pop: 10,600) --> See nearby quakes!
243 km (151 mi) N of Aparri (Cagayan) (pop: 33,200) --> See nearby quakes!
264 km (164 mi) SSE of Taitung City (Taiwan) (pop: 109,600) --> See nearby quakes!
296 km (184 mi) NNE of Laoag (pop: 102,100) --> See nearby quakes!
299 km (186 mi) NNE of San Nicolas (Ilocos Norte) (pop: 34,200) --> See nearby quakes!
312 km (194 mi) NNE of Batac City (pop: 53,500) --> See nearby quakes!
320 km (199 mi) N of Solana (pop: 71,500) --> See nearby quakes!
666 km (414 mi) N of Manila (pop: 1,600,000) --> See nearby quakes!
43 km (27 mi) S of Stayan Island --> See nearby quakes!
Weather at epicenter at time of quake:
Overcast Clouds
28.1°C (83 F), humidity: 83%, wind: 11 m/s (22 kts) from NE
Primary data source: PHIVOLCS (Philippine Institute of Volcanology and Seismology)
Overcast Clouds
28.1°C (83 F), humidity: 83%, wind: 11 m/s (22 kts) from NEEstimated released energy: 5.6 x 109 joules (1.56 megawatt hours, equivalent to 1.34 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 |
| M 3.3 | 1 km | 008 Km N 09° E of Basco (Batanes), Philippines | PHIVOLCS |
| M 3.3 | 8 km | Batan Isl Region, Philippines | EMSC |
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
Mag. 3.3 earthquake - South China Sea, 8 km north of Basco, Batanes, Cagayan Valley, Philippines, on 10 October 2020 - 10:34 PM (PST)Click here to search our database for earlier earthquakes in the same area since 1900!
