Weak mag. 3.1 earthquake - South Pacific Ocean, 89 km southwest of San Antonio, Region de Valparaiso, Chile, on Thursday, April 22, 2021 at 14:44 GMT -
This quake was likely an aftershock of the 5.3 quake South Pacific Ocean, 88 km southwest of San Antonio, Region de Valparaiso, Chile, 21 Apr 8:17 pm (GMT -4), which had occurred 14 hours earlier.
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Weak magnitude 3.1 earthquake at 34 km depth
22 Apr 15:04 UTC: First to report: GUG (U. Chile) after 19 minutes.
Earthquake details
| Date & time | Apr 22, 2021 14:44:59 UTC - |
| Local time at epicenter | |
| Status | Confirmed |
| Magnitude | 3.1 |
| Depth | 33.8 km |
| Epicenter latitude / longitude | 34.063°S / 72.392°W  (South Pacific Ocean, Chile) |
| Antipode | 34.063°N / 107.608°E |
| Shaking intensity | Very weak shaking |
| Felt | 0 reports |
| Primary data source | GUG (U. Chile) |
| Nearest volcano | Palomo (202 km / 126 mi) |
| Nearby towns and cities | 89 km (55 mi) SW of San Antonio (pop: 85,700) | Show on map | Quakes nearby 92 km (57 mi) SW of Cartagena (San Antonio) (pop: 16,900) | Show on map | Quakes nearby 116 km (72 mi) WSW of Melipilla (pop: 63,100) | Show on map | Quakes nearby 134 km (83 mi) SSW of Valparaiso (pop: 282,400) | Show on map | Quakes nearby 139 km (87 mi) SSW of Viña del Mar (pop: 294,600) | Show on map | Quakes nearby 143 km (89 mi) SW of Quilpué (pop: 130,300) | Show on map | Quakes nearby 152 km (95 mi) W of Rancagua (pop: 212,700) | Show on map | Quakes nearby 166 km (103 mi) NNW of Talca (pop: 197,500) | Show on map | Quakes nearby 175 km (109 mi) WSW of Santiago de Chile (pop: 4,837,300) | Show on map | Quakes nearby |
| Estimated seismic energy released | 2.8 x 109 joules (783 kilowatt hours, equivalent to 0.674 tons of TNT) | about seismic energy |
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. | Depth | Location | Source |
| 3.1 | 34 km | 50 Km Al NO De Pichilemu | GUG (U. Chile) |
| 3.1 | 34 km | OFFSHORE O'HIGGINS, CHILE | EMSC |
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Earlier earthquakes in the same area
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