Weak mag. 2.9 earthquake - South Pacific Ocean, 85 km southwest of San Antonio, Region de Valparaiso, Chile, on Friday, April 23, 2021 at 00:00 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 24 hours earlier.
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Weak magnitude 2.9 earthquake at 24 km depth
23 Apr 00:43 UTC: First to report: EMSC after 43 minutes.
23 Apr 00:44: Now using data updates from GUG (U. Chile)
23 Apr 00:44: Now using data updates from GUG (U. Chile)
Earthquake details
| Date & time | Apr 23, 2021 00:00:47 UTC - |
| Local time at epicenter | |
| Status | Confirmed |
| Magnitude | 2.9 |
| Depth | 24.1 km |
| Epicenter latitude / longitude | 34.034°S / 72.355°W  (South Pacific Ocean, Chile) |
| Antipode | 34.034°N / 107.645°E |
| Shaking intensity | Very weak shaking |
| Felt | 0 reports |
| Primary data source | GUG (U. Chile) |
| Nearest volcano | Palomo (200 km / 124 mi) |
| Nearby towns and cities | 85 km (53 mi) SW of San Antonio (pop: 85,700) | Show on map | Quakes nearby 87 km (54 mi) SW of Cartagena (San Antonio) (pop: 16,900) | Show on map | Quakes nearby 113 km (70 mi) NW of Santa Cruz (Colchagua) (pop: 33,300) | Show on map | Quakes nearby 137 km (85 mi) NW of Rauco (Curicó) (pop: 8,570) | Show on map | Quakes nearby 170 km (106 mi) WSW of Santiago de Chile (pop: 4,837,300) | Show on map | Quakes nearby |
| Estimated seismic energy released | 1.4 x 109 joules (392 kilowatt hours, equivalent to 0.338 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 |
| 2.9 | 24 km | 49 Km Al O De Navidad, Chile | GUG (U. Chile) |
| 2.9 | 24 km | OFFSHORE O'HIGGINS, CHILE | EMSC |
User reports for this quake
At magnitude 2.9, this quake might have been felt very close to the epicenter and under calm conditions.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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