Light mag. 4.5 earthquake - El Loa, 88 km northeast of Calama, Provincia de El Loa, Antofagasta, Chile, on Saturday, Oct 2, 2021 1:36 am (GMT -3) -

Light mag. 4.5 earthquake - El Loa, 88 km northeast of Calama, Provincia de El Loa, Antofagasta, Chile, on Saturday, Oct 2, 2021 1:36 am (GMT -3)

Light magnitude 4.5 earthquake at 117 km depth

2 Oct 04:42 UTC: First to report: GFZ after 6 minutes.
Update Sat, 2 Oct 2021, 04:48
Moderate 4.5 quake hits near Calama, Provincia de El Loa, Antofagasta, Chile
4.5 quake 2 Oct 1:36 am (GMT -3)
4.5 quake 2 Oct 1:36 am (GMT -3)
Just 12 minutes ago, a 4.5-magnitude earthquake struck near Calama, Provincia de El Loa, Antofagasta, Chile. The tremor was recorded early morning on Saturday, October 2nd, 2021, at 1:36 am local time, at an intermediate depth of 117 km below the surface.
The event was filed by the German Research Centre for Geosciences (GFZ), the first seismological agency to report it.
Our monitoring service identified a second report from the European-Mediterranean Seismological Centre (EMSC) which listed the quake at magnitude 4.4.
Towns or cities near the epicenter where the quake might have been felt as very weak shaking include Calama (pop. 143,100) located 88 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 data

Date & time: Oct 2, 2021 04:36:20 UTC -
Local time at epicenter: Saturday, Oct 2, 2021 1:36 am (GMT -3)
Magnitude: 4.5
Depth: 117.0 km
Epicenter latitude / longitude: 21.76°S / 68.51°W (El Loa, Antofagasta, Chile)
Antipode: 21.76°N / 111.49°E
Nearest volcano: San Pedro (18 km / 11 mi)
Nearby towns and cities:
88 km (55 mi) NNE of Calama (pop: 143,100) --> See nearby quakes!
132 km (82 mi) NNW of San Pedro de Atacama (pop: 2,000) --> See nearby quakes!
154 km (96 mi) WSW of San Cristobal de Lipez (Potosí, Bolivia) (pop: 75) --> See nearby quakes!
178 km (111 mi) ENE of Tocopilla (pop: 24,500) --> See nearby quakes!
227 km (141 mi) SW of Uyuni (Antonio Quijarro, Potosí, Bolivia) (pop: 10,300) --> See nearby quakes!
231 km (143 mi) SW of Colchani (Potosí, Bolivia) (pop: 12,000) --> See nearby quakes!
242 km (150 mi) SE of Iquique (Tarapacá) (pop: 227,500) --> See nearby quakes!
272 km (169 mi) WSW of Santa Barbara (Potosí, Bolivia) (pop: 2,430) --> See nearby quakes!
286 km (178 mi) NE of Antofagasta (pop: 309,800) --> See nearby quakes!
354 km (220 mi) NW of San Antonio de los Cobres (Salta, Argentina) (pop: 4,000) --> See nearby quakes!
Weather at epicenter at time of quake:
Clear Sky 4.2°C (40 F), humidity: 27%, wind: 1 m/s (2 kts) from N
Primary data source: GFZ (German Research Centre for Geosciences)
Estimated released energy: 3.5 x 1011 joules (98.6 megawatt hours, equivalent to 84.8 tons of TNT) | about seismic energy
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If you felt this quake (or if you were near the epicenter), please share your experience and submit a short "I felt it" report! Other users would love to hear about it!
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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.
4.5117 kmChile-Bolivia Border RegionGFZ
4.7111 km89 Km NNE of Calama, ChileUSGS
4.951 kmNorthern ChileUSP

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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