Light mag. 4.0 earthquake - South Pacific Ocean, 85 km southwest of San Antonio, Region de Valparaiso, Chile, on 22 Apr 6:29 am (GMT -4) -

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 10 hours earlier.
Light mag. 4.0 earthquake - South Pacific Ocean, 85 km southwest of San Antonio, Region de Valparaiso, Chile, on 22 Apr 6:29 am (GMT -4)

Light magnitude 4.0 earthquake at 36 km depth

22 Apr 10:46 UTC: First to report: EMSC after 17 minutes.
22 Apr 10:50: Now using data updates from GUG (U. Chile)
22 Apr 12:10: Hypocenter depth recalculated from 20.1 to 36.1 km (from 12.5 to 22 mi). Epicenter location corrected by 2 km (1.2 mi) towards SW.
Date & time: 22 Apr 2021 10:29:02 UTC -
Local time at epicenter: 22 Apr 6:29 am (GMT -4)
Magnitude: 4
Depth: 36.1 km
Epicenter latitude / longitude: 34.053°S / 72.366°W (South Pacific Ocean, Chile)
Nearest volcano: Palomo (199 km / 124 mi)
Nearby towns and cities:
51 km (31 mi) NW of Los Navegantes (Provincia de Cardenal Caro) (pop: 231) --> See nearby quakes!
87 km (54 mi) SW of San Antonio (pop: 85,700) --> See nearby quakes!
89 km (56 mi) SW of Cartagena (San Antonio) (pop: 16,900) --> See nearby quakes!
114 km (71 mi) WSW of Melipilla (pop: 63,100) --> See nearby quakes!
132 km (82 mi) SSW of Valparaiso (pop: 282,400) --> See nearby quakes!
137 km (85 mi) SSW of Viña del Mar (pop: 294,600) --> See nearby quakes!
150 km (93 mi) W of Rancagua (pop: 212,700) --> See nearby quakes!
166 km (103 mi) NNW of Talca (pop: 197,500) --> See nearby quakes!
172 km (107 mi) WSW of Santiago (pop: 4,837,300) --> See nearby quakes!
173 km (107 mi) WSW of Puente Alto (pop: 510,400) --> See nearby quakes!
Weather at epicenter at time of quake:
Broken Clouds 14.1°C (57 F), humidity: 83%, wind: 9 m/s (17 kts) from SSW
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.
Mag.DepthLocationSource
4.036 km49 Km Al NO De PichilemuGUG (U. Chile)
4.410 kmOFFSHORE O'HIGGINS, CHILEEMSC
4.326 kmNear Coast of Central ChileGFZ
4.410 km87 Km WSW of San Antonio, ChileUSGS

User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
There are no user reports for this quake yet. If you felt it be the first to report it!
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