Small magnitude 2.7 quake hits 4 miles northwest of Rialto, California, United States late at night

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The United States Geological Survey reported a magnitude 2.7 quake in the United States near Rialto, San Bernardino County, California, only 7 minutes ago. The earthquake hit late at night on Wednesday, April 15th, 2026, at 10:49 pm local time at a very shallow depth of 4.2 miles. 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 2.7 earthquake as well. A third agency, the European-Mediterranean Seismological Centre (EMSC), reported the same quake at magnitude 2.7.Towns or cities near the epicenter where the quake might have been felt as very weak shaking include Rialto (pop. 103,100) located 4 miles from the epicenter, Fontana (pop. 212,700) 4 miles away, Bloomington (pop. 23,900) 5 miles away, San Bernardino (pop. 216,100) 7 miles away, and Colton (pop. 54,600) 7 miles away. In Rancho Cucamonga (pop. 175,200, 11 miles away), Riverside (pop. 317,300, 13 miles away), Ontario (pop. 171,200, 15 miles away), and Anaheim (pop. 350,700, 36 miles away), the quake was probably not felt.Earthquake data: Date & time: Apr 15, 2026 10:49 pm (GMT -7) local time (16 Apr 2026 05:49 GMT)Magnitude: 2.7Depth: 6.79 kmEpicenter latitude / longitude: 34.15°N / 117.41°W (San Bernardino County, California, United States)Primary data source: USGS