The 2010 Solomon Islands earthquake occurred with a moment magnitude of 7.1 on January 3 at 22:36:28 (UTC). A tsunami measuring approximately 10 feet affected some parts of the islands. The earthquake was the largest in a series of quakes to strike the Solomon Islands over the preceding days. The 7.1 mainshock was preceded by a 6.6 magnitude foreshock some 48 minutes previous.