An earthquake of magnitude 3.0 occurred in the morning on Thursday, October 16th, 2025, at 9:23 am local time near Berkeley, Alameda County, California, USA, as reported by the United States Geological Survey.According to preliminary data, the quake was located at a very shallow depth of 5.8 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.Our monitoring service identified a second report from The Incorporated Research Institutions for Seismology (IRIS) which listed the quake at magnitude 3.1. A third agency, the European-Mediterranean Seismological Centre (EMSC), reported the same quake at magnitude 3.1.Towns or cities near the epicenter where the quake might have been felt as very weak shaking include Berkeley (pop. 121,000) located 1 miles from the epicenter, Albany (pop. 19,700) 3 miles away, Oakland (pop. 419,300) 5 miles away, Richmond (pop. 109,700) 7 miles away, Alameda (pop. 78,600) 7 miles away, Walnut Creek (pop. 68,900) 10 miles away, San Leandro (pop. 90,700) 12 miles away, and San Francisco (pop. 864,800) 12 miles away. In San Jose (pop. 1,026,900, 42 miles away), the quake was probably not felt.Earthquake data: Date & time: Oct 16, 2025 09:23 am (Los Angeles time) local time (16 Oct 2025 16:23 GMT)Magnitude: 3.0Depth: 9.40 kmEpicenter latitude / longitude: 37.87°N / 122.25°W (Alameda County, California, United States)Primary data source: USGS