High Quality Content by WIKIPEDIA articles! The Northridge earthquake was an earthquake that occurred on January 17, 1994, at 04:31 Pacific Standard Time in Reseda, a neighborhood in Los Angeles, California, lasting for about 10–20 seconds. The earthquake had a "strong" moment magnitude (Mw) of 6.7, but the ground acceleration was one of the highest ever instrumentally recorded in an urban area in North America, measuring 1.7 g (16.7 m/s2) with strong ground motion felt as far away as Las Vegas, Nevada, about 220 miles (360 km) from the epicenter. The peak ground velocity in this earthquake at the Rinaldi Receiving station was 183 cm/s (6.59 km/h or 4.09 mph), the fastest peak ground velocity ever recorded. In addition, two 6.0 Mwaftershocks occurred about 1 minute after the initial event, and again 11 hours later, the strongest of several thousand aftershocks in all. The death toll came to a total of 57 people, and there were over 8,700 injured. In addition, the earthquake caused an...

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