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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)
StatusConfirmed
Magnitude4.7
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.
Mag.DepthLocationSource
4.731 km90 Km WSW of Copiapó, ChileUSGS
4.731 kmNear Coast of Northern ChileRaspberryShake
4.510 kmNear Coast of Northern ChileGFZ
4.731 kmATACAMA, CHILEEMSC
4.710 kmNear Coast Of Northern ChileIRIS

Seismograms

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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Translate
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  

Earlier earthquakes in the same area

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