A shallow magnitude 2.5 earthquake was reported after midnight near Norwalk, Los Angeles County, California, USA.According to the United States Geological Survey, the quake hit on Wednesday, August 13th, 2025, at 12:10 am local time at a shallow depth of 7.9 miles. Shallow earthquakes are felt more strongly than deeper ones as they are closer to the surface. 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.A second report was later issued by The Incorporated Research Institutions for Seismology (IRIS), which listed it as a magnitude 2.5 earthquake as well. A third agency, the European-Mediterranean Seismological Centre (EMSC), reported the same quake at magnitude 2.6.Towns or cities near the epicenter where the quake might have been felt as very weak shaking include La Mirada (pop. 49,500) located 1 miles from the epicenter, South Whittier (pop. 57,200) 2 miles away, Whittier (pop. 87,400) 4 miles away, Norwalk (pop. 107,100) 4 miles away, and Buena Park (pop. 83,300) 4 miles away. In La Habra (pop. 62,100, 4 miles away), Fullerton (pop. 140,800, 7 miles away), Downey (pop. 114,200, 7 miles away), and Los Angeles (pop. 3,898,700, 16 miles away), the quake was probably not felt.Earthquake data: Date & time: Aug 13, 2025 12:10 am (GMT -7) local time (13 Aug 2025 07:10 GMT)Magnitude: 2.5Depth: 12.67 kmEpicenter latitude / longitude: 33.92°N / 118.02°W (Los Angeles County, California, United States)Primary data source: USGS