Light magnitude 4.4 earthquake at 7 km depth

23 Jan 03:54 UTC: First to report: EMSC after 9 minutes.

Update Sat, 23 Jan 2021, 04:00

Magnitude 4.4 earthquake strikes near Taitung City, Taiwan

4.4 quake 23 Jan 11:45 am (GMT +8)

4.4 quake 23 Jan 11:45 am (GMT +8)

Just 15 minutes ago, a 4.4-magnitude earthquake struck near Taitung City, Taiwan. The tremor was recorded in the morning on Saturday 23 January 2021 at 11:45 am local time, at a very shallow depth of 7 km below the surface.
The event was filed by the European-Mediterranean Seismological Centre (EMSC), the first seismological agency to report it.
Based on the preliminary seismic data, the quake should not have caused any significant damage, but was probably felt by many people as light vibration in the area of the epicenter.
Weak shaking might have been felt in Taitung City (pop. 109,600) located 29 km from the epicenter.
Other towns or cities near the epicenter where the quake might have been felt as very weak shaking include Donggang (pop. 48,100) located 57 km from the epicenter, Hengchun (pop. 31,300) 64 km away, Kaohsiung City (pop. 1,519,700) 71 km away, Yujing (pop. 16,600) 86 km away, and Tainan City (pop. 771,200) 96 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.

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Earthquake data:

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Date & time: 23 Jan 2021 03:45:32 UTC –
Local time at epicenter: Saturday, 23 Jan 2021 11:45 am (GMT +8)
Magnitude: 4.4
Depth: 7.0 km
Epicenter latitude / longitude: 22.53°N / 121°E (
Philippines Sea, Taiwan)
Nearest volcano: Unnamed 24.00°N/121.83°E (184 km / 114 mi)

Nearby towns and cities:
29 km (18 mi) SSW of Taitung City (pop: 109,600) –> See nearby quakes!
57 km (35 mi) E of Donggang (pop: 48,100) –> See nearby quakes!
64 km (40 mi) NNE of Hengchun (pop: 31,300) –> See nearby quakes!
71 km (44 mi) E of Kaohsiung City (pop: 1,519,700) –> See nearby quakes!
86 km (54 mi) SE of Yujing (pop: 16,600) –> See nearby quakes!
96 km (59 mi) ESE of Tainan City (pop: 771,200) –> See nearby quakes!
139 km (87 mi) SSE of Douliu (pop: 104,700) –> See nearby quakes!
158 km (98 mi) SSE of Nantou City (pop: 105,700) –> See nearby quakes!
164 km (102 mi) SSE of Yuanlin (pop: 124,700) –> See nearby quakes!
285 km (177 mi) S of Taipei (pop: 7,871,900) –> See nearby quakes!
52 km (33 mi) WSW of Green Island –> See nearby quakes!
77 km (48 mi) NW of Kotosho Island –> See nearby quakes!

Weather at epicenter at time of quake:
Scattered Clouds 25°C (77 F), humidity: 69%, wind: 4 m/s (8 kts) from NE

Primary data source: EMSC (European-Mediterranean Seismological Centre)

Estimated released energy: 2.5 x 1011 joules (69.8 megawatt hours, equivalent to 60 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.

Magnitude Depth Location Source

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