Minor mag. 2.8 earthquake - South Pacific Ocean, 84 km southwest of San Antonio, Region de Valparaiso, Chile, on Thursday, April 22, 2021 at 21:54 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 22 hours earlier.

Minor mag. 2.8 earthquake - South Pacific Ocean, 84 km southwest of San Antonio, Region de Valparaiso, Chile, on Thursday, April 22, 2021 at 21:54 GMT

Minor magnitude 2.8 earthquake at 36 km depth

22 Apr 23:36 UTC: First to report: EMSC after 1 hour and 42 minutes.
22 Apr 23:36: Now using data updates from GUG (U. Chile)

Earthquake details

Date & time	Apr 22, 2021 21:54:27 UTC -
Local time at epicenter
Status	Confirmed
Magnitude	2.8
Depth	36.2 km
Epicenter latitude / longitude	33.997°S / 72.379°W (South Pacific Ocean, Chile)
Antipode	33.997°N / 107.621°E
Shaking intensity	Very weak shaking
Felt	0 reports
Primary data source	GUG (U. Chile)
Nearest volcano	Palomo (203 km / 126 mi)
Nearby towns and cities	84 km (52 mi) WSW 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 117 km (73 mi) NW of Santa Cruz (Colchagua) (pop: 33,300) \| Show on map \| Quakes nearby 171 km (106 mi) WSW of Santiago de Chile (pop: 4,837,300) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake
Estimated seismic energy released	1 x 10⁹ joules (278 kilowatt hours, equivalent to 0.239 tons of TNT) \| about seismic energy

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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.	Depth	Location	Source
2.8	36 km	51 Km Al O De Navidad, Chile	GUG (U. Chile)
2.8	36 km	OFFSHORE O'HIGGINS, CHILE	EMSC

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User reports for this quake

At magnitude 2.8, 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.

There are no user reports for this quake.

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