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Moderate mag. 4.2 earthquake - 11 km northwest of Taitung City, Taiwan, on Sunday, Mar 19, 2023 at 1:12 pm (GMT +8) -

Moderate magnitude 4.2 earthquake at 11 km depth

19 Mar 05:20 UTC: First to report: RaspberryShake after 8 minutes.

Earthquake details

Date & time	Mar 19, 2023 05:12:16 UTC -
Local time at epicenter	Sunday, Mar 19, 2023 at 1:12 pm (GMT +8)
Status	Confirmed
Magnitude	4.2
Depth	11.0 km
Epicenter latitude / longitude	22.82°N / 121.06°E (Taitung, Taiwan, Taiwan)
Antipode	22.82°S / 58.94°W
Shaking intensity	Light shaking near epicenter
Felt	0 reports
Primary data source	RaspberryShake (RaspberryShake)
Nearest volcano	Unnamed 24.00°N/121.83°E (153 km / 95 mi)
Nearby towns and cities	11 km (7 mi) NW of Taitung City (pop: 109,600) \| Show on map \| Quakes nearby 70 km (44 mi) ESE of Yujing (pop: 16,600) \| Show on map \| Quakes nearby 74 km (46 mi) ENE of Donggang (pop: 47,700) \| Show on map \| Quakes nearby 80 km (50 mi) ENE of Kaohsiung City (pop: 1,519,700) \| Show on map \| Quakes nearby 89 km (55 mi) ESE of Tainan City (pop: 771,200) \| Show on map \| Quakes nearby 96 km (60 mi) NNE of Hengchun (pop: 31,300) \| Show on map \| Quakes nearby 132 km (82 mi) SSE of Zhongxing New Village (Nantou City) (pop: 25,500) \| Show on map \| Quakes nearby 252 km (157 mi) S of Taipei (pop: 7,871,900) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake	Broken Clouds 22.1°C (72 F), humidity: 65%, wind: 4 m/s (8 kts) from E
Estimated seismic energy released	1.3 x 10¹¹ joules (35 megawatt hours, equivalent to 30.1 tons of TNT) \| about seismic energy

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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.	Depth	Location	Source
4.2	11 km	Taiwan Region	RaspberryShake
4.2	11 km	TAIWAN REGION	EMSC

Most recent quakes Top 20 past 24 hrs Quakes in Taiwan Taiwan

Seismograms

Seismic station: Taitung (TWGB/TW network) | Distance from quake: 2 km / 1 mi | Show on map | Station Info

Seismic station Taitung: vertical movement plot around time of quake (source: IRIS/BUD)

Seismogram (vertical component) around time of quake. Thin dotted red line indicates time of quake. Seismic waves arrive some time later, depending on distance. Bandpass filter applied: 0.2-10.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool

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Seismic station Taitung: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Taitung: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake, showing horizontal E-W and N-S ground movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Yuli (YULB/TW network) | Distance from quake: 68 km / 42 mi | Show on map | Station Info

Seismic station Yuli: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Yuli: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Yuli: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Ninganchiao (NACB/TW network) | Distance from quake: 160 km / 99 mi | Show on map | Station Info

Seismic station Ninganchiao: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Ninganchiao: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Ninganchiao: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Ishigaki, Ryukyu Islands, Japan (ISG/PS network) | Distance from quake: 367 km / 228 mi | Show on map | Station Info

Seismic station Ishigaki, Ryukyu Islands, Japan: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Ishigaki, Ryukyu Islands, Japan: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Ishigaki, Ryukyu Islands, Japan: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Minamidaitojima Island (JMZ/JP network) | Distance from quake: 1082 km / 672 mi | Show on map | Station Info

Seismic station Minamidaitojima Island: vertical movement plot around time of quake (source: IRIS/BUD)

Seismogram (vertical component) around time of quake. Thin dotted red line indicates time of quake. Seismic waves arrive some time later, depending on distance. Bandpass filter applied: 0.2-5.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station Minamidaitojima Island: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Minamidaitojima Island: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

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.

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