There's chaos in Alaska after a powerful earthquake struck near Anchorage. <br />The seven-point-oh magnitude quake has caused extensive property and road damage in the U.S. state.<br /> The earthquake was reported at 8.29 AM Friday, local time, just eleven kilometers north of Anchorage.<br />No casualties have been reported, but the quake and subsequent aftershocks have severely disrupted plane and train services.<br />Alaska's Governor Bill Walker has issued a declaration of disaster.<br />President Trump tweeted that the federal government will spare no expense to help Alaska get back on its feet. <br />