M 4.5 earthquake off the coast of San Antonio, Chile — December 21, 2017

M 4.5 earthquake off the coast of San Antonio, Chile — December 21, 2017. Epicenter 88 km W of San Antonio, depth 10 km, 11:20 Local (2017-12-21 14:20 UTC). Shaking felt by ~199K people. Readings from every reporting agency, affected towns, aftershock sequence.

Off the coast of San Antonio (88 km W, Chile) — -33.883, -72.4977