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UPDATE: 4:33 a.m. EST — Magnitude of the third earthquake that hit Nevada in the early hours of Wednesday was revised slightly downward to 5.5 by the U.S. Geological Survey. Initial measurements had put the magnitude at 5.6.

UPDATE: 4:13 a.m. EST — Another earthquake of 5.6-magnitude hit near Hawthorne, Nevada, at a depth of 8.6 km, less than an hour after two 5.7-magnitude earthquakes hit the area. This third earthquake had its epicenter 26 km southwest of Hawthorne.

Original story:

Two 5.7-magnitude earthquakes hit the California-Nevada border area in the early hours of Wednesday. No reports of any damage have come in yet.

According to the U.S. Geological Survey, the first quake hit at 3:18 a.m. EST, while the second came four minutes later. Both earthquakes had their epicenters at depths of 8.2 km (5 miles) and 12 km, respectively, and were 29 km and 28 km west-southwest of Hawthorne, Nevada.

There were a number of aftershocks, with magnitudes ranging from 4 to 2.7, and from depths of 17.9 km to the surface.

Many people posted videos, pictures and comments on social media.

Correction: A previous version of this article incorrectly mentioned the Richter scale as the measure of an earthquake's magnitude as measured by the USGS. The error has since been rectified.