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Moderate mag. 4.8 earthquake - South Pacific Ocean, 41 km west of La Serena, Provincia de Elqui, Coquimbo Region, Chile, on Monday, Oct 10, 2022 at 8:19 am (GMT -3) -

Moderate mag. 4.8 earthquake - South Pacific Ocean, 41 km west of La Serena, Provincia de Elqui, Coquimbo Region, Chile, on Monday, Oct 10, 2022 at 8:19 am (GMT -3) Moderate mag. 4.8 earthquake - South Pacific Ocean, 41 km west of La Serena, Provincia de Elqui, Coquimbo Region, Chile, on Monday, Oct 10, 2022 at 8:19 am (GMT -3)

Moderate magnitude 4.8 earthquake at 32 km depth

10 Oct 11:23 UTC: First to report: GFZ after 5 minutes.
10 Oct 11:26: Magnitude recalculated from 4.8 to 4.9. Hypocenter depth recalculated from 27.0 to 28.0 km (from 16.8 to 17.4 mi). Epicenter location corrected by 1.9 km (1.2 mi) towards W.
10 Oct 11:35: Now using data updates from USGS

Earthquake details

Date & timeOct 10, 2022 11:19:02 UTC -
Local time at epicenterMonday, Oct 10, 2022 at 8:19 am (GMT -3)
StatusConfirmed
Magnitude4.8
Depth31.6 km
Epicenter latitude / longitude29.7873°S / 71.6558°W (South Pacific Ocean, Chile)
Antipode29.787°N / 108.344°E
Shaking intensityWeak shaking
Felt7 reports
Primary data sourceUSGS (United States Geological Survey)
Nearby towns and cities36 km (22 mi) WNW of Coquimbo (pop: 161,300) | Show on map | Quakes nearby
41 km (26 mi) WNW of La Serena (pop: 154,500) | Show on map | Quakes nearby
95 km (59 mi) WNW of Vicuña (pop: 13,500) | Show on map | Quakes nearby
101 km (63 mi) NNW of Ovalle (pop: 77,100) | Show on map | Quakes nearby
160 km (100 mi) SSW of Vallenar (pop: 44,900) | Show on map | Quakes nearby
299 km (186 mi) SSW of Copiapo (pop: 129,300) | Show on map | Quakes nearby
360 km (224 mi) N of Viña del Mar (pop: 294,600) | Show on map | Quakes nearby
419 km (260 mi) NNW of Santiago de Chile (pop: 4,837,300) | Show on map | Quakes nearby
Weather at epicenter at time of quakeClear Sky 12.9°C (55 F), humidity: 83%, wind: 3 m/s (6 kts) from SSW
Estimated seismic energy released1 x 1012 joules (278 megawatt hours, equivalent to 239 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
4.832 km35 Km WNW of Coquimbo, ChileUSGS
4.840 kmOFFSHORE COQUIMBO, CHILEEMSC
4.832 kmNear Coast of Central ChileRaspberryShake
4.828 kmNear Coast of Central ChileGFZ
4.810 kmNear Coast Of Central ChileIRIS

Seismograms

Seismic station: Tololo Observatory, Vicuna, Chile (GO04/C network) | Distance from quake: 93 km / 58 mi | Show on map | Station Info
Seismic station Tololo Observatory, Vicuna, 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. 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 (8)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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La Serena, Elqui, Coquimbo (35.4 km ESE of epicenter) [Map] / Very weak shaking (MMI II) / single lateral shake / 5-10 s : Después despertó DF mi sueño  
Manuel Lorca, Coquimbo (44.6 km ESE of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 30-60 s : Se sintió fuerte y con larga duración  
La Serena, Elqui, Coquimbo (35.4 km ESE of epicenter) [Map] / Very weak shaking (MMI II) / single lateral shake / 5-10 s : Después despertó DF mi sueño  
La serena (41.7 km ESE of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 20-30 s
Coquimbo, chile (37 km SE of epicenter) [Map] / Light shaking (MMI IV)
Serena / Very weak shaking (MMI II) / horizontal (sideways) swinging / 2-5 s : Short and strong moviment, but no the most strong.  
La serena / Light shaking (MMI IV) / single lateral shake / 2-5 s
La serena / not felt

Earlier earthquakes in the same area

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