Moderate mag. 4.9 earthquake - South China Sea, Taiwan, on Saturday, Oct 16, 2021 11:35 pm (GMT +8) -

Moderate mag. 4.9 earthquake - South China Sea, Taiwan, on Saturday, Oct 16, 2021 11:35 pm (GMT +8)

Moderate magnitude 4.9 earthquake at 31 km depth

16 Oct 15:45 UTC: First to report: BMKG after 10 minutes.
16 Oct 15:50: Magnitude recalculated from 4.5 to 4.7. Hypocenter depth recalculated from 10.0 to 27.0 km (from 6.2 to 16.8 mi). Epicenter location corrected by 8 km (5 mi) towards WNW.
17 Oct 07:10: Magnitude recalculated from 4.7 to 4.9. Hypocenter depth recalculated from 27.0 to 31.0 km (from 16.8 to 19.3 mi). Epicenter location corrected by 13 km (8.1 mi) towards SW.
Date & time: Oct 16, 2021 15:35:05 UTC -
Local time at epicenter: Saturday, Oct 16, 2021 11:35 pm (GMT +8)
Magnitude: 4.9
Depth: 31.0 km
Epicenter latitude / longitude: 21.36°N / 121.11°E (South China Sea, Taiwan)
Antipode: 21.36°S / 58.89°W
Nearest volcano: Unnamed (137 km / 85 mi)
Nearby towns and cities:
81 km (50 mi) SSE of Hengchun (pop: 31,300) --> See nearby quakes!
141 km (87 mi) SSE of Donggang (pop: 48,100) --> See nearby quakes!
156 km (97 mi) S of Taitung City (pop: 109,600) --> See nearby quakes!
162 km (101 mi) SSE of Kaohsiung City (pop: 1,519,700) --> See nearby quakes!
204 km (126 mi) SSE of Tainan City (pop: 771,200) --> See nearby quakes!
268 km (166 mi) SSE of Douliu (pop: 104,700) --> See nearby quakes!
288 km (179 mi) S of Nantou City (pop: 105,700) --> See nearby quakes!
294 km (183 mi) S of Yuanlin (pop: 124,700) --> See nearby quakes!
295 km (184 mi) S of Hualien City (pop: 350,500) --> See nearby quakes!
412 km (256 mi) S of Taipeh (pop: 7,871,900) --> See nearby quakes!
Weather at epicenter at time of quake:
Few Clouds 27.9°C (82 F), humidity: 76%, wind: 10 m/s (20 kts) from NE
Primary data source: BMKG (Meteorological, Climatological, and Geophysical Agency of Indonesia)
Estimated released energy: 1.4 x 1012 joules (392 megawatt hours, equivalent to 338 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
4.931 kmTaiwan RegionBMKG
4.710 kmPhilippines: Taiwan RegionGFZ
4.810 kmPhilippines: TAIWAN REGIONEMSC
4.532 kmPhilippines: 079 Km N 54° W of Itbayat (Batanes)PHIVOLCS
4.810 km96 Km SSE of Hengchun, TaiwanUSGS

User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
There are no user reports for this quake yet. If you felt it be the first to report it!
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