The 2006 Hawaii earthquake occurred on Sunday October 15 at 7:07:49 AM local time with a moment magnitude of 6.7 and a maximum perceived intensity of VIII (Destructive). The shock was centered 21 kilometers (13 mi) southwest of Puakō and 21 km (13 mi) north of Kailua-Kona, Hawaiʻi, just offshore of the Kona Airport, at a depth of 29 km (18 mi). It produced several aftershocks, including one that measured a magnitude of 6.1 seven minutes after the main shock.[3] The Pacific Tsunami Warning Center measured a 4 in (100 mm) tsunami on the coast of the Big Island.[4]