ALBAWABA – A magnitude 7.4 quake occurred off Mexico’s southern coast on Friday, prompting authorities to issue a tsunami warning for parts of the Pacific coast while emergency personnel assessed possible damage in the region. The U.S. Geological Survey (USGS) said the quake hit near Puerto Madero in Chiapas state at a shallow depth of 10 kilometers (6 miles). Generally, shallow earthquakes produce higher ground shaking and a greater chance ...