The U.S. Geological Survey (USGS) reported a 5.7-magnitude earthquake in northern California last night (May 23 at 8:47 p.m. Pacific Daylight Time. The quake happened 113 miles (182 km) north-northeast of Sacramento, California. We are not seeing any reports of injuries or damages. Details of the quake below:
2013-05-24 03:47:08 UTC
2013-05-23 20:47:08 UTC-07:00 at epicenter
2013-05-23 22:47:08 UTC-05:00 system time
11km (7mi) WNW of Greenville, California
43km (27mi) SW of Susanville, California
60km (37mi) NE of Magalia, California
67km (42mi) NE of Paradise, California
159km (99mi) NW of Carson City, Nevada
A 4.9-magnitude quake struck a few hours later, just after 1 a.m. on May 24. Read about the aftershock here.
Bottom line: 5.7-magnitude earthquake and 4.9-magnitude aftershock in northern California on May 23-24, 2013.
Deborah Byrd created the EarthSky radio series in 1991 and EarthSky.org in 1994. Today, she serves as Editor-in-Chief of this website. She has won a galaxy of awards from the broadcasting and science communities, including having an asteroid named 3505 Byrd in her honor. A science communicator and educator since 1976, Byrd believes in science as a force for good in the world and a vital tool for the 21st century. "Being an EarthSky editor is like hosting a big global party for cool nature-lovers," she says.