ANCHORAGE, Alaska (AP) — The U.S. Geological Survey says a magnitude 5.1 earthquake has struck southern Alaska.
Hundreds of people reported to the USGS that they felt shaking from the quake Thursday night.
The agency says the epicenter was 49 kilometers, or 30 miles, northwest of Ninilchik.
That community is about 186 miles southwest of Anchorage.
The Alaska Earthquake Center said the earthquake was felt in Anchorage and the Matanuska-Susitna Borough.
The U.S. Tsunami Warning System says there is no threat for a tsunami.
However, the USGS says aftershocks are possible.
There were no immediate reports of damage or injuries.