Light mag. 3.7 earthquake - South Pacific Ocean, 91 km southwest of San Antonio, Region de Valparaiso, Chile, on Friday, 23 April 2021 at 00:47 (GMT) -

This quake was likely an aftershock of the 5.3 quake South Pacific Ocean, 86 km southwest of San Antonio, Region de Valparaiso, Chile, 21 Apr 8:17 pm (GMT -4), which had occurred 1 day 1 hours earlier.
Light mag. 3.7 earthquake - South Pacific Ocean, 91 km southwest of San Antonio, Region de Valparaiso, Chile, on Friday, 23 April 2021 at 00:47 (GMT)

Light magnitude 3.7 earthquake at 18 km depth

23 Apr 01:02 UTC: First to report: GUG (U. Chile) after 14 minutes.
23 Apr 22:46: Hypocenter depth recalculated from 30.2 to 17.9 km (from 18.8 to 11.1 mi).
Date & time: 23 Apr 2021 00:47:43 UTC -
Magnitude: 3.7
Depth: 17.9 km
Epicenter latitude / longitude: 34.066°S / 72.402°W (South Pacific Ocean, Chile)
Nearest volcano: Palomo (203 km / 126 mi)
Nearby towns and cities:
52 km (32 mi) NW of Los Navegantes (Provincia de Cardenal Caro) (pop: 231) --> See nearby quakes!
90 km (56 mi) SW of San Antonio (pop: 85,700) --> See nearby quakes!
93 km (58 mi) SW of Cartagena (San Antonio) (pop: 16,900) --> See nearby quakes!
117 km (73 mi) WSW of Melipilla (pop: 63,100) --> See nearby quakes!
135 km (84 mi) SSW of Valparaiso (pop: 282,400) --> See nearby quakes!
140 km (87 mi) SSW of Viña del Mar (pop: 294,600) --> See nearby quakes!
153 km (95 mi) W of Rancagua (pop: 212,700) --> See nearby quakes!
166 km (103 mi) NNW of Talca (pop: 197,500) --> See nearby quakes!
176 km (109 mi) WSW of Santiago (pop: 4,837,300) --> See nearby quakes!
176 km (109 mi) WSW of Puente Alto (pop: 510,400) --> See nearby quakes!
Primary data source: GUG (U. Chile)
Estimated released energy: 2.2 x 1010 joules (6.22 megawatt hours, equivalent to 5.35 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.
Mag.DepthLocationSource
3.718 km51 Km Al NO De PichilemuGUG (U. Chile)
3.730 kmOFFSHORE O'HIGGINS, CHILEEMSC

User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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