M 4.6 – 90km WSW of Vallenar, Chile August 21, 2019 by Marc Szeglat Time 2019-08-21 10:04:43 UTC 2019-08-21 06:04:43 -04:00 at epicenter Location 28.815°S 71.638°W Depth 10.00 km (6.21 mi)