Weak mag. 3.2 earthquake - South Pacific Ocean, 90 km southwest of San Antonio, Region de Valparaiso, Chile, on Friday, April 23, 2021 at 15:56 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 1 day 16 hours earlier.
Quake Data | Interactive map | User Reports | Earlier quakes here | Quakes in Chile | Region de Valparaiso | Santiago | O'Higgins
Weak magnitude 3.2 earthquake at 38 km depth
23 Apr 16:21 UTC: First to report: EMSC after 25 minutes.
23 Apr 16:22: Now using data updates from GUG (U. Chile)
23 Apr 21:48: Hypocenter depth recalculated from 37.8 to 37.5 km (from 23 to 23 mi).
23 Apr 16:22: Now using data updates from GUG (U. Chile)
23 Apr 21:48: Hypocenter depth recalculated from 37.8 to 37.5 km (from 23 to 23 mi).
Earthquake details
| Date & time | Apr 23, 2021 15:56:21 UTC - |
| Local time at epicenter | |
| Status | Confirmed |
| Magnitude | 3.2 |
| Depth | 37.5 km |
| Epicenter latitude / longitude | 33.977°S / 72.462°W  (South Pacific Ocean, Chile) |
| Antipode | 33.977°N / 107.538°E |
| Shaking intensity | Very weak shaking |
| Felt | 0 reports |
| Primary data source | GUG (U. Chile) |
| Nearest volcano | Palomo (210 km / 130 mi) |
| Nearby towns and cities | 90 km (56 mi) WSW of San Antonio (pop: 85,700) | Show on map | Quakes nearby 92 km (57 mi) WSW of Cartagena (San Antonio) (pop: 16,900) | Show on map | Quakes nearby 120 km (74 mi) WSW of Melipilla (pop: 63,100) | Show on map | Quakes nearby 130 km (81 mi) SW of Valparaiso (pop: 282,400) | Show on map | Quakes nearby 135 km (84 mi) SW of Viña del Mar (pop: 294,600) | Show on map | Quakes nearby 140 km (87 mi) SW of Quilpué (pop: 130,300) | Show on map | Quakes nearby 145 km (90 mi) SW of Villa Alemana (pop: 97,300) | Show on map | Quakes nearby 160 km (99 mi) W of Rancagua (pop: 212,700) | Show on map | Quakes nearby 177 km (110 mi) WSW of Santiago de Chile (pop: 4,837,300) | Show on map | Quakes nearby |
| Estimated seismic energy released | 4 x 109 joules (1.11 megawatt hours, equivalent to 0.951 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 |
| 3.2 | 38 km | 57 Km Al O De Navidad, Chile | GUG (U. Chile) |
| 3.2 | 38 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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