A moderately shallow magnitude 4.0 earthquake was reported around noon near Quilpue, Provincia de Marga Marga, Region de Valparaiso, Chile.According to the European-Mediterranean Seismological Centre (EMSC), the quake hit on Monday, July 27th, 2026, at 1:19 pm local time at a moderately shallow depth of 34.10 km. The exact magnitude, epicenter, and depth of the quake might be revised within the next few hours or minutes as seismologists review data and refine their calculations, or as other agencies issue their report.Our monitoring service identified a second report from The National Seismological Center (Centro Sismológico Nacional, CSN) of the University of Chile which listed the quake at magnitude 4.0 as well. A third agency, the citizen-seismograph network of RaspberryShake, reported the same quake at magnitude 4.0.Weak shaking might have been felt in Quilpue (pop. 130,300) located 10 km from the epicenter, Concon (pop. 42,200) 10 km away, Villa Alemana (pop. 97,300) 11 km away, Vina del Mar (pop. 334,200) 15 km away, Limache (pop. 46,100) 15 km away, Quillota (pop. 67,800) 17 km away, Valparaiso (pop. 282,400) 22 km away, and Hacienda La Calera (pop. 49,100) 27 km away.Other towns or cities near the epicenter where the quake might have been felt as very weak shaking include Santiago (pop. 4,837,300) located 90 km from the epicenter.Earthquake data: Date & time: Jul 27, 2026 02:19 pm (Santiago time) local time (27 Jul 2026 17:19 GMT)Magnitude: 4.0Depth: 34.10 kmEpicenter latitude / longitude: 32.96°S / 71.41°W (Valparaiso, Region de Valparaiso, Chile)Primary data source: EMSC