AlHijjah 14, 1434, Oct 19, 2013, SPA -- Mexico's Baja California peninsula has been rattled by a 6.4-magnitude offshore quake. There were no immediate reports of injuries or damages, AP reported. The United States Geological Survey says the quake occurred at almost 1800 GMT on Saturday and was centered in the Gulf of California, between the Baja Peninsula and Mexico's western coast.