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Light mag. 4.4 earthquake - 44 km northwest of Calama, Provincia de El Loa, Antofagasta, Chile, on Friday, Oct 22, 2021 at 8:14 am (GMT -3) -

Light mag. 4.4 earthquake - 44 km northwest of Calama, Provincia de El Loa, Antofagasta, Chile, on Friday, Oct 22, 2021 at 8:14 am (GMT -3) Light mag. 4.4 earthquake - 44 km northwest of Calama, Provincia de El Loa, Antofagasta, Chile, on Friday, Oct 22, 2021 at 8:14 am (GMT -3)

Light magnitude 4.4 earthquake at 109 km depth

22 Oct 11:19 UTC: First to report: EMSC after 5 minutes.
22 Oct 11:33: Magnitude recalculated from 4.3 to 4.4. Hypocenter depth recalculated from 80.0 to 109.0 km (from 50 to 68 mi). Epicenter location corrected by 8.5 km (5.3 mi) towards WNW.
Update Fri, 22 Oct 2021, 11:24
Moderate magnitude 4.3 earthquake 37 km northwest of Calama, Chile
4.3 quake 22 Oct 8:14 am (GMT -3)
4.3 quake 22 Oct 8:14 am (GMT -3)
An intermediate magnitude 4.3 earthquake was reported in the morning near Calama, Provincia de El Loa, Antofagasta, Chile.
According to the European-Mediterranean Seismological Centre (EMSC), the quake hit on Friday, October 22nd, 2021, at 8:14 am local time at an intermediate depth of 80 km. 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.
Towns or cities near the epicenter where the quake might have been felt as very weak shaking include Calama (pop. 143,100) located 37 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 22, 2021 11:14:49 UTC -
Local time at epicenter: Friday, Oct 22, 2021 at 8:14 am (GMT -3)
Magnitude: 4.4
Depth: 109.0 km
Epicenter latitude / longitude: 22.15°S / 69.19°W (Provincia de El Loa, Antofagasta, Chile)
Antipode: 22.15°N / 110.81°E
Nearest volcano: San Pedro (80 km / 50 mi)
Nearby towns and cities:
44 km (27 mi) NW of Calama (pop: 143,100) --> See nearby quakes!
104 km (65 mi) E of Tocopilla (pop: 24,500) --> See nearby quakes!
132 km (82 mi) NW of San Pedro de Atacama (pop: 2,000) --> See nearby quakes!
208 km (129 mi) NE of Antofagasta (pop: 309,800) --> See nearby quakes!
236 km (147 mi) WSW of San Cristobal de Lipez (Potosí, Bolivia) (pop: 75) --> See nearby quakes!
237 km (147 mi) SSE of Iquique (Tarapacá) (pop: 227,500) --> See nearby quakes!
309 km (192 mi) SW of Uyuni (Antonio Quijarro, Potosí, Bolivia) (pop: 10,300) --> See nearby quakes!
312 km (194 mi) SW of Colchani (Potosí, Bolivia) (pop: 12,000) --> See nearby quakes!
Weather at epicenter at time of quake:
Clear Sky 13.7°C (57 F), humidity: 12%, wind: 1 m/s (1 kts) from ENE
Primary data source: EMSC (European-Mediterranean Seismological Centre)
Estimated released energy: 2.5 x 1011 joules (69.8 megawatt hours, equivalent to 60 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!
If you did NOT feel the quake although you were in the area, please report it! Your contribution is valuable to earthquake science, seismic hazard analysis and mitigation efforts. You can use your device location or the map to indicate where you were during the earthquake. Thank you!

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.
4.4109 km43 Km NW of Calama, ChileUSGS
4.3115 kmNorthern ChileGFZ

User reports for this quake (1)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Calama / Weak shaking (MMI III) / rattling, vibrating / 5-10 s : Puro ruido pero nada de accion | One user found this interesting.  
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