Light mag. 4.0 earthquake - South Pacific Ocean, 43 km west of Valparaiso, Chile, on Tuesday, 5 Jan 2021 4:43 pm (GMT -5) -

Light mag. 4.0 earthquake - South Pacific Ocean, 43 km west of Valparaiso, Chile, on Tuesday, 5 Jan 2021 4:43 pm (GMT -5)

Light magnitude 4.0 earthquake at 31 km depth

5 Jan 22:04 UTC: First to report: GUG (U. Chile) after 20 minutes.
5 Jan 23:02: Hypocenter depth recalculated from 29.2 to 30.7 km (from 18.1 to 19.1 mi). Epicenter location corrected by 2.4 km (1.5 mi) towards SSE.
Date & time: 5 Jan 2021 21:43:56 UTC -
Local time at epicenter: Tuesday, 5 Jan 2021 4:43 pm (GMT -5)
Magnitude: 4
Depth: 30.7 km
Epicenter latitude / longitude: 33.034°S / 72.095°W (South Pacific Ocean, Chile)
Nearest volcano: Tupungatito (218 km / 135 mi)
Nearby towns and cities:
43 km (27 mi) W of Valparaiso (pop: 282,400) --> See nearby quakes!
51 km (31 mi) W of Viña del Mar (pop: 294,600) --> See nearby quakes!
61 km (38 mi) W of Quilpué (pop: 130,300) --> See nearby quakes!
67 km (42 mi) W of Villa Alemana (pop: 97,300) --> See nearby quakes!
77 km (48 mi) NW of San Antonio (pop: 85,700) --> See nearby quakes!
77 km (48 mi) W of Limache (Marga Marga) (pop: 35,900) --> See nearby quakes!
81 km (50 mi) WSW of Quillota (pop: 67,800) --> See nearby quakes!
87 km (54 mi) WSW of Hacienda La Calera (pop: 49,100) --> See nearby quakes!
143 km (89 mi) WNW of Santiago de Chile (pop: 4,837,300) --> See nearby quakes!
155 km (96 mi) WNW of Puente Alto (pop: 510,400) --> See nearby quakes!
Weather at epicenter at time of quake:
Clear Sky 18.4°C (65 F), humidity: 63%, wind: 5 m/s (10 kts) from NW
Primary data source: GUG (U. Chile)
Estimated released energy: 6.3 x 1010 joules (17.5 megawatt hours, equivalent to 15.1 tons of TNT) More info
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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.
M 4.031 km45 Km Al O De Valparaíso, ChileGUG (U. Chile)
M 4.210 km55 Km W of Valparaíso, ChileUSGS

User reports for this quake (1)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
58.1 km ENE of epicenter [Map] / Light shaking (MMI IV)
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Earlier earthquakes in the same area since 1900

Map of earlier quakes

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