There was magnitude 4.6 earthquake yesterday evening at 10:37 PM (local time) about 50 km (30 mi) north of Elko, Nevada.  It was located at 41.225 N, 115.858 W.  The location is somewhat uncertain because this is beyond the fringe of the NSL network and because a station east of Elko was the closest at 74 km (46 mi) from the epicenter.  This earthquake was felt in the Elko area.  No reports of damage or injury have been received as of this notification.  Only one aftershock has been clearly recorded.  This region is only moderately active, and our historical earthquake catalog shows only four events > M5 and nine events > M4 within roughly 100 km (62 mi) of last night’s epicenter over the last 100 years.

The data reported here has been reviewed. For more information, contact the Nevada Seismological Laboratory, (775) 784-4975. The free pamphlet "Earthquakes in Nevada and How to Survive Them," is available on request.  The NSL operates a statewide network of seismographic stations and investigates the sizes, frequencies of occurrence, and distribution of earthquakes in the region, and other problems related to seismic risk in Nevada.  Visit the NSL web site at www.seismo.unr.edu for further information.

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