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Minor mag. 2.6 earthquake - 20 km northeast of Calama, Provincia de El Loa, Antofagasta, Chile, on Friday, Feb 3, 2023 at 12:01 am (GMT -3) -

Minor magnitude 2.6 earthquake at 105 km depth

3 Feb 03:12 UTC: First to report: EMSC after 10 minutes.

Earthquake details

Date & time	Feb 3, 2023 03:01:36 UTC -
Local time at epicenter	Friday, Feb 3, 2023 at 12:01 am (GMT -3)
Status	Confirmed
Magnitude	2.6
Depth	105.0 km
Epicenter latitude / longitude	22.32°S / 68.79°W (Provincia de El Loa, Antofagasta, Chile)
Antipode	22.32°N / 111.21°E
Shaking intensity	Not felt
Felt
Primary data source	EMSC (European-Mediterranean Seismological Centre)
Nearest volcano	San Pedro (63 km / 39 mi)
Nearby towns and cities	20 km (13 mi) NE of Calama (pop: 143,100) \| Show on map \| Quakes nearby 84 km (52 mi) NE of Sierra Gorda (pop: 477) \| Show on map \| Quakes nearby 89 km (56 mi) NW of San Pedro de Atacama (pop: 2,000) \| Show on map \| Quakes nearby 90 km (56 mi) E of Maria Elena (pop: 4,900) \| Show on map \| Quakes nearby 221 km (138 mi) NE of Antofagasta (pop: 309,800) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake	Overcast Clouds 14.6°C (58 F), humidity: 71%, wind: 2 m/s (4 kts) from SW
Estimated seismic energy released	5 x 10⁸ joules (139 kilowatt hours, equivalent to 0.12 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
2.6	105 km	ANTOFAGASTA, CHILE	EMSC
2.6	105 km	Northern Chile	RaspberryShake

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Seismograms

Seismic station: Daracena (TA01/C1 network) | Distance from quake: 242 km / 151 mi | Show on map | Station Info

Seismic station Daracena: 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

User reports for this quake

At magnitude 2.6, this quake might have been felt very close to the epicenter and under calm conditions.

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.

There are no user reports for this quake.

Earlier earthquakes in the same area

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