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Minor mag. 3.1 earthquake - 198 km southeast of Antofagasta, Chile, on Friday, Dec 30, 2022 at 7:29 am (GMT -3) -

Minor magnitude 3.1 earthquake at 108 km depth

30 Dec 11:54 UTC: First to report: EMSC after 1 hour and 24 minutes.

Earthquake details

Date & time	Dec 30, 2022 10:29:34 UTC -
Local time at epicenter	Friday, Dec 30, 2022 at 7:29 am (GMT -3)
Status	Confirmed
Magnitude	3.1
Depth	108.0 km
Epicenter latitude / longitude	25.09°S / 69.25°W (Provincia de Antofagasta, Antofagasta, Chile)
Antipode	25.09°N / 110.75°E
Shaking intensity	Not felt
Felt
Primary data source	EMSC (European-Mediterranean Seismological Centre)
Nearest volcano	Lastarria (76 km / 47 mi)
Nearby towns and cities	129 km (80 mi) ENE of Taltal (Antofagasta) (pop: 10,000) \| Show on map \| Quakes nearby 163 km (101 mi) NNE of Diego de Almagro (Atacama) (pop: 18,100) \| Show on map \| Quakes nearby 198 km (123 mi) SE of Antofagasta (pop: 309,800) \| Show on map \| Quakes nearby 940 km (584 mi) N of Santiago de Chile (Metropolitana) (pop: 4,837,300) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake
Estimated seismic energy released	2.8 x 10⁹ joules (783 kilowatt hours, equivalent to 0.674 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
3.1	108 km	ANTOFAGASTA, CHILE	EMSC
3.1	108 km	Northern Chile	RaspberryShake

Most recent quakes Top 20 past 24 hrs Quakes in Chile

Seismograms

Seismic station: Mina Guanaco, Chile (GO02/C network) | Distance from quake: 35 km / 22 mi | Show on map | Station Info

Seismic station Mina Guanaco, Chile: 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 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, showing horizontal E-W and N-S ground movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Pan de Azucar (AC01/C1 network) | Distance from quake: 179 km / 111 mi | Show on map | Station Info

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

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

Seismic station: Copiapo, Mina Casimiro Domeyko (AC06/C1 network) | Distance from quake: 275 km / 171 mi | Show on map | Station Info

Seismic station Copiapo, Mina Casimiro Domeyko: vertical movement plot around time of quake (source: IRIS/BUD)

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

Seismic station Copiapo, Mina Casimiro Domeyko: 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: Llanos de Challe (AC04/C1 network) | Distance from quake: 391 km / 243 mi | Show on map | Station Info

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

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

Seismic station Llanos de Challe: 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: Huaiquique (TA02/C1 network) | Distance from quake: 543 km / 338 mi | Show on map | Station Info

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

Seismic station Huaiquique: 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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