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Light mag. 4.3 earthquake - El Loa, 108 km north of Calama, Antofagasta, Chile, on Tuesday, Dec 1, 2020 at 3:15 am (GMT -3)

Light mag. 4.3 earthquake - El Loa, 108 km north of Calama, Antofagasta, Chile, on Tuesday, Dec 1, 2020 at 3:15 am (GMT -3) Light mag. 4.3 earthquake - El Loa, 108 km north of Calama, Antofagasta, Chile, on Tuesday, Dec 1, 2020 at 3:15 am (GMT -3)

Light magnitude 4.3 earthquake at 118 km depth

1 Dec 06:21 UTC: First to report: GFZ after 6 minutes.
1 Dec 08:00: Now using data updates from GUG (U. Chile)
Update Tue, 1 Dec 2020, 06:39

Light 4.4 quake hits near Calama, Chile

4.4 quake Chile-Bolivia Border Region 1 Dec 3.15 am (GMT -3)
4.4 quake Chile-Bolivia Border Region 1 Dec 3.15 am (GMT -3)
An earthquake of magnitude 4.4 occurred early morning on Tuesday 1 December 2020 at 3.15 am local time near Calama, Chile, as reported by the German Research Centre for Geosciences (GFZ).
According to preliminary data, the quake was located at an intermediate depth of 121 km. The strength of the earthquake may have been tempered by its relative great depth below the surface, which makes it feel weaker in absolute terms. The exact magnitude, epicenter, and depth of the quake might be revised within the next few hours or minutes as seismologists review data and refine their calculations, or as other agencies issue their report.
A second report was later issued by the European-Mediterranean Seismological Centre (EMSC), which listed it as a magnitude 4.3 earthquake.Towns or cities near the epicenter where the quake might have been felt as very weak shaking include Calama (pop. 143,100) located 98 km from the epicenter.
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 details

Date & timeDec 1, 2020 06:15:41 UTC
Local time at epicenterTuesday, Dec 1, 2020 at 3:15 am (GMT -3)
Depth117.7 km
Epicenter latitude / longitude21.547°S / 68.554°W (Provincia de El Loa, Antofagasta, Chile)
Antipode21.547°N / 111.446°E
Shaking intensityVery weak shaking
Felt0 reports
Primary data sourceGUG (U. Chile)
Nearest volcanoSan Pedro (44 km / 27 mi)
Nearby towns and cities108 km (67 mi) NNE of Calama (pop: 143,100) | Show on map | Quakes nearby
148 km (92 mi) WSW of San Cristobal de Lipez (Potosí, Bolivia) (pop: 75) | Show on map | Quakes nearby
156 km (97 mi) NNW of San Pedro de Atacama (pop: 2,000) | Show on map | Quakes nearby
180 km (112 mi) ENE of Tocopilla (pop: 24,500) | Show on map | Quakes nearby
216 km (135 mi) SW of Uyuni (Antonio Quijarro, Potosí, Bolivia) (pop: 10,300) | Show on map | Quakes nearby
218 km (136 mi) SW of Colchani (Potosí, Bolivia) (pop: 12,000) | Show on map | Quakes nearby
223 km (138 mi) SE of Iquique (Tarapacá) (pop: 227,500) | Show on map | Quakes nearby
269 km (167 mi) WSW of Santa Barbara (Potosí, Bolivia) (pop: 2,430) | Show on map | Quakes nearby
301 km (187 mi) NE of Antofagasta (pop: 309,800) | Show on map | Quakes nearby
Estimated seismic energy released1.8 x 1011 joules (49.4 megawatt hours, equivalent to 42.5 tons of TNT) | about seismic energy
Show interactive Map
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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.
4.3118 km47 Km Al SO De Ollagüe, ChileGUG (U. Chile)
4.2118 km106 Km NNE of Calama, ChileUSGS
4.1118 kmChile-Bolivia Border RegionUSP


Seismic station: Las Campanas Astronomical Observatory, Chile (LCO/IU network) | Distance from quake: 857 km / 533 mi | Show on map | Station Info
Seismic station Las Campanas Astronomical Observatory, 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. Source: IRIS Buffer of Uniform Data (BUD) webtool
Show more

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.

Earlier earthquakes in the same area

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