The 2009 Honduras earthquake occurred on May 28, 2009 at 08:24:45 UTC (02:24:45 AM local time). The quake was a powerful 7.3 on the Moment Magnitude Scale, with the epicenter being located in the Caribbean Sea, 64 kilometres (40 mi) northeast of the island of Roatán, 130 kilometres (81 mi) north-northeast of La Ceiba. The quake occurred at a depth of around 10 kilometres (6.2 mi) in a transform fault zone known as the Swan Islands Transform Fault in the Cayman Trench. The Cayman Trench forms the tectonic boundary between the North American Plate and the Caribbean Plate, and continues onshore as the Motagua Fault and the Chixoy-Polochic Fault.