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Light mag. 3.6 earthquake - South Pacific Ocean, 166 km northwest of Copiapo, Atacama, Chile, on Thursday, Dec 1, 2022 at 11:43 pm (GMT -5) -

Light magnitude 3.6 earthquake at 25 km depth

2 Dec 04:48 UTC: First to report: EMSC after 5 minutes.
2 Dec 05:05: Magnitude recalculated from 3.7 to 3.6. Hypocenter depth recalculated from 37.0 to 25.0 km (from 23 to 15.5 mi). Epicenter location corrected by 28 km (17 mi) towards ESE.

Earthquake details

Date & time	Dec 2, 2022 04:43:43 UTC -
Local time at epicenter	Thursday, Dec 1, 2022 at 11:43 pm (GMT -5)
Status	Confirmed
Magnitude	3.6
Depth	25.0 km
Epicenter latitude / longitude	26.08°S / 71.17°W (South Pacific Ocean, Chile)
Antipode	26.08°N / 108.83°E
Shaking intensity	Weak shaking near epicenter
Felt	0 reports
Primary data source	EMSC (European-Mediterranean Seismological Centre)
Nearest volcano	###NEARESTVOLCANO2###
Nearby towns and cities	102 km (63 mi) SW of Taltal (Antofagasta) (pop: 10,000) \| Show on map \| Quakes nearby 116 km (72 mi) WNW of Diego de Almagro (pop: 18,100) \| Show on map \| Quakes nearby 166 km (103 mi) NNW of Copiapo (pop: 129,300) \| Show on map \| Quakes nearby 822 km (511 mi) N of Santiago de Chile (pop: 4,837,300) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake	Overcast Clouds 16.4°C (61 F), humidity: 77%, wind: 6 m/s (12 kts) from S
Estimated seismic energy released	1.6 x 10¹⁰ joules (4.4 megawatt hours, equivalent to 3.79 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
3.6	25 km	OFFSHORE ATACAMA, CHILE	EMSC
3.6	25 km	Off Coast of Northern Chile	RaspberryShake

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Seismograms

Seismic station: Pan de Azucar (AC01/C1 network) | Distance from quake: 58 km / 36 mi | Show on map | Station Info

Seismic station Pan de Azucar: 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: 0.5-10.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool

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

Seismic station Pan de Azucar: 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: Bahia Inglesa (AC07/C1 network) | Distance from quake: 121 km / 75 mi | Show on map | Station Info

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

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

Seismic station Bahia Inglesa: 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: Mina Guanaco, Chile (GO02/C network) | Distance from quake: 188 km / 117 mi | Show on map | Station Info

Seismic station Mina Guanaco, Chile: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Mina Guanaco, Chile: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Mina Guanaco, Chile: 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: El Transito (AC05/C1 network) | Distance from quake: 319 km / 198 mi | Show on map | Station Info

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

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

Seismic station El Transito: 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: Combarbala (CO02/C1 network) | Distance from quake: 570 km / 354 mi | Show on map | Station Info

Seismic station Combarbala: 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: 0.5-5.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool

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

Seismic station Combarbala: 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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