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Moderate mag. 4.7 earthquake - South Pacific Ocean, 91 km southwest of Copiapo, Atacama, Chile, on Thursday, Nov 3, 2022 at 11:37 am (GMT -3) -

Moderate mag. 4.7 earthquake - South Pacific Ocean, 91 km southwest of Copiapo, Atacama, Chile, on Thursday, Nov 3, 2022 at 11:37 am (GMT -3) Moderate mag. 4.7 earthquake - South Pacific Ocean, 91 km southwest of Copiapo, Atacama, Chile, on Thursday, Nov 3, 2022 at 11:37 am (GMT -3)

Moderate magnitude 4.7 earthquake at 31 km depth

3 Nov 14:42 UTC: First to report: EMSC after 5 minutes.
3 Nov 14:54: Magnitude recalculated from 4.5 to 4.3. Hypocenter depth recalculated from 20.0 to 32.0 km (from 12.4 to 19.9 mi). Epicenter location corrected by 18 km (11 mi) towards SSE.
3 Nov 15:14: Now using data updates from USGS

Earthquake details

Date & timeNov 3, 2022 14:37:27 UTC -
Local time at epicenterThursday, Nov 3, 2022 at 11:37 am (GMT -3)
Depth31.3 km
Epicenter latitude / longitude27.7901°S / 71.1204°W (South Pacific Ocean, Chile)
Antipode27.79°N / 108.88°E
Shaking intensityWeak shaking
Felt1 report
Primary data sourceUSGS (United States Geological Survey)
Nearest volcanoEl Solo (249 km / 155 mi)
Nearby towns and cities91 km (56 mi) WSW of Copiapo (pop: 129,300) | Show on map | Quakes nearby
94 km (59 mi) NNW of Vallenar (pop: 44,900) | Show on map | Quakes nearby
191 km (118 mi) SSW of Diego de Almagro (pop: 18,100) | Show on map | Quakes nearby
236 km (146 mi) N of La Serena (pop: 154,500) | Show on map | Quakes nearby
242 km (150 mi) N of Coquimbo (pop: 161,300) | Show on map | Quakes nearby
253 km (157 mi) N of Vicuña (pop: 13,500) | Show on map | Quakes nearby
313 km (194 mi) N of Ovalle (pop: 77,100) | Show on map | Quakes nearby
632 km (393 mi) N of Santiago de Chile (pop: 4,837,300) | Show on map | Quakes nearby
Weather at epicenter at time of quakeFew Clouds 15.1°C (59 F), humidity: 69%, wind: 3 m/s (6 kts) from WNW
Estimated seismic energy released7.1 x 1011 joules (197 megawatt hours, equivalent to 169 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.
4.731 km90 Km WSW of Copiapó, ChileUSGS
4.731 kmNear Coast of Northern ChileRaspberryShake
4.510 kmNear Coast of Northern ChileGFZ
4.710 kmNear Coast Of Northern ChileIRIS


Seismic station: Llanos de Challe (AC04/C1 network) | Distance from quake: 46 km / 29 mi | Show on map | Station Info
Seismic station Llanos de Challe: 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: 0.2-10.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool
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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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Caldera (86.1 km NNE of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / 1-2 s : Estaba sentada en el sofá cua do sentí el sonido y enseguida se empezó a mover el piso, se sintió la vibración  

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