Strong mag. 5.2 earthquake - Taitung, 45 km northeast of Taitung City, Taiwan, on Friday, Aug 6, 2021 7:12 pm (GMT +8) -

An earthquake of magnitude 5.2 occurred only 12 minutes ago 45 km northeast of Taitung City, Taiwan, the German Research Centre for Geosciences (GFZ) reported.
The quake hit at a very shallow depth of 5 km beneath the epicenter near Taitung City, Taiwan, early evening on Friday 6 August 2021 at 7:12 pm local time. The exact magnitude, epicenter, and depth of the quake might be revised within the next few hours or minutes as seismologists review data and refine their calculations, or as other agencies issue their report.
A second report was later issued by the European-Mediterranean Seismological Centre (EMSC), which listed it as a magnitude 5.2 earthquake as well.
Based on the preliminary seismic data, the quake was probably felt by many people in the area of the epicenter. It should not have caused significant damage, other than objects falling from shelves, broken windows, etc.
In Taitung City (pop. 109,600) located 45 km from the epicenter, the quake should have been felt as light shaking.
Weak shaking might have been felt in Yujing (pop. 16,600) located 91 km from the epicenter, Lugu (pop. 19,600) 93 km away, Hualien City (pop. 350,500) 99 km away, Puli (pop. 86,400) 102 km away, Douliu (pop. 104,700) 105 km away, Nantou City (pop. 105,700) 113 km away, Zhongxing New Village (pop. 25,500) 115 km away, and Kaohsiung City (pop. 1,519,700) 120 km away.
VolcanoDiscovery will automatically update magnitude and depth if these change and follow up if other significant news about the quake become available. If you're in the area, please send us your experience through our reporting mechanism, either online or via our mobile app. This will help us provide more first-hand updates to anyone around the globe who wants to know more about this quake.

Date & time: Aug 6, 2021 11:12:31 UTC -
Local time at epicenter: Friday, Aug 6, 2021 7:12 pm (GMT +8)
Magnitude: 5.2
Depth: 5.0 km
Epicenter latitude / longitude: 23.12°N / 121.35°E↗ (Taitung, Taiwan, Taiwan)
Antipode: 23.12°S / 58.65°W↗
Nearest volcano: Unnamed 24.00°N/121.83°E (109 km / 68 mi)
Nearby towns and cities:
45 km (28 mi) NNE of Taitung City (pop: 109,600) --> See nearby quakes!
91 km (56 mi) E of Yujing (pop: 16,600) --> See nearby quakes!
93 km (58 mi) SE of Lugu (pop: 19,600) --> See nearby quakes!
99 km (61 mi) SSW of Hualien City (pop: 350,500) --> See nearby quakes!
102 km (63 mi) SSE of Puli (pop: 86,400) --> See nearby quakes!
105 km (65 mi) SE of Douliu (pop: 104,700) --> See nearby quakes!
113 km (70 mi) SE of Nantou City (pop: 105,700) --> See nearby quakes!
115 km (72 mi) SE of Zhongxing New Village (Nantou City) (pop: 25,500) --> See nearby quakes!
120 km (75 mi) ENE of Kaohsiung City (pop: 1,519,700) --> See nearby quakes!
215 km (134 mi) S of Taipeh (pop: 7,871,900) --> See nearby quakes!
Primary data source: GFZ (German Research Centre for Geosciences)
Estimated released energy: 4 x 10¹² joules (1.11 gigawatt hours, equivalent to 951 tons of TNT) More info

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Based on its magnitude, the fault that was active during the quake ruptured along a surface of approx. 16 km² (=6 sqare miles) as a first-order estimate. The length of the rupture zone thus was probably around 7 km (4 mi).
Aftershocks typically occur during the days and weeks following the quake at or near the same fault, at distances of up to approx. two times the length of the rupture zone.
The often broadly linear arrangement of aftershock epicenters encompasses the rupture zone of the main shock (check on the map below to verify).

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