Alaska's Kodiak Island is being slammed by a swarm of earthquakes, one with a magnitude of 5.9. Paul Caruso, a geophysicist at the National Earthquake Information Center in Golden, Colo., says the southeast region of the island was hit Saturday by 15 earthquakes with magnitudes of 2.6 or greater. The quakes are centered southeast of Old Harbor, but there have been no reports that they've been felt. The earthquakes follow two light quakes that struck the same area less than an hour apart Friday. One of Friday's quakes was felt in Old Harbor. Caruso says the area is seismically active because the Pacific and North American plates intersect along the island and neighboring Aleutian Islands chain.