Ecuador quake fears after hundreds of tremors hit 31 Jan 2005 22:19:00 GMT Source: Reuters QUITO, Ecuador, Jan 31 (Reuters) - Hundreds of earth tremors off the coast of Ecuador in the past 11 days have sparked fears that a bigger quake could strike soon. "This isn't normal," the director of Geophysics Institute at the National Polytechnic School, Hugo Yepez, told Reuters on Monday, "This area is capable of producing big earthquakes. Very big earthquakes." About 320 tremors of more than 4.0 on the Richter scale have shaken the Pacific Ocean off the port of Manta since Jan. 20....