PLEASANT VALLEY, Alaska — The Alaska Earthquake Information Center says a magnitude 3.8 earthquake hit the central part of the state on Sunday — the fourth to hit Alaska over the weekend.

  The center says the earthquake had an epicenter 27 miles north of Pleasant Valley, a town of about 700 residents at 9:09 p.m. local time. The earthquake had a depth of 6.8 miles.—

Pictures: The Great Alaska Earthquake There were no reports of injuries or damage. Earlier Sunday, a magnitude 3.6 earthquake hit the Cook Inlet region at 11:58 a.m. near Tyonek, a town of about 200 residents.

The earthquake had a depth of about 6 miles. On Saturday, a magnitude 5.2 earthquake struck in the Kenai Peninsula region …