Just 10 minutes ago, a 3.1-magnitude earthquake struck near Corona, Riverside County, California, USA. The tremor was recorded late at night on Tuesday, August 11th, 2026, at 11:17 pm local time, at a very shallow depth of 1.5 miles below the surface.The event was filed by the United States Geological Survey, the first seismological agency to report it.Our monitoring service identified a second report from the European-Mediterranean Seismological Centre (EMSC) which listed the quake at magnitude 2.9.Weak shaking might have been felt in Corona (pop. 164,200) located 6 miles from the epicenter, Yorba Linda (pop. 68,000) 10 miles away, and Eastvale (pop. 59,000) 11 miles away.Other towns or cities near the epicenter where the quake might have been felt as very weak shaking include Tustin (pop. 80,600) located 11 miles from the epicenter, Orange (pop. 141,000) 12 miles away, Chino (pop. 85,600) 13 miles away, Lake Forest (pop. 82,500) 13 miles away, and Santa Ana (pop. 310,200) 13 miles away. In Los Angeles (pop. 3,820,900, 37 miles away), the quake was probably not felt.Earthquake data: Date & time: Aug 11, 2026 11:17 pm (Los Angeles time) local time (12 Aug 2026 06:17 GMT)Magnitude: 3.1Depth: 2.43 kmEpicenter latitude / longitude: 33.83°N / 117.66°W (Orange County, California, United States)Primary data source: USGS