LIMA, May 18 (Xinhua) -- Two moderate earthquakes shook on Monday the southern parts of Peru, but caused no damage or casualties.

    According to the Geophysics Institute of Peru (IGP), the first earthquake measured 5.4 on the Richter scale, and occurred at 9:01a.m. local time (1401 GMT).

    The second earthquake occurred 12 minutes after the first one, with a magnitude of 4.9.

    The epicenter of the tremors was some 41 km southeast of San Juan de Marcona in Nasca province.

    Both quakes were felt in the national capital Lima and nearby regions.

    An August 2007 earthquake in southern Peru killed 596 people.