Did the earth move for you? If you happened to feel a small tremor about half an hour after midnight, then you can blame seismic activity. According to seismologists the quake measured 4.1 on the Richter scale and was located about 70 kilometres North West of Fez. No damage has been reported.
Here are the details.
Earthquake Magnitude 4.1
Date-Time Saturday, February 18, 2012 at 00:28:25 UTC
Saturday, February 18, 2012 at 12:28:25 AM at epicentre.
Location 34.479°N, 5.542°W
Depth 10.1 km (6.3 miles)
70 km (43 miles) NW of Fes
129 km (80 miles) ENE of RABAT
146 km (90 miles) S of Tanger
215 km (133 miles) ENE of Casablanca