A strong earthquake has hit the U.S. Pacific Island state of Hawaii at 7:07am local time, causing significant damage to roads and buldings.
Civil Defense announcements urged residents to stay off the roads and to avoid using the telephone except for emergencies
Several more aftershocks rattled Hawaii Island Tuesday, as teams inspected damage from Sunday's serious earthquake.
The U.S. Geological Survey says the largest recent aftershock in the region had a magnitude of 3.9.
The U.S. Federal Emergency Management Agency has sent a team of nearly 100 people to the main island of Hawaii. The team is assessing damage and coordinating federal aid.
Sunday's six-point-six magnitude earthquake shook houses off their foundations and sent boulders barreling down mountain slopes. No deaths or serious injuries were reported.
Hawaii's governor Linda Lingle has declared the state a disaster area, to make Hawaii eligible for federal emergency funds and allow the National Guard to help in recovery efforts.
The U.S. Geological Survey says Sunday's earthquake was centered in the Pacific Ocean just off the sparsely-populated west coast of the island of Hawaii also called the Big Island - the largest in the archipelago.
The quake was felt in Honolulu, 250 kilometers away on the chain's most populated island, Oahu.