TONGA (CBS SF) — The U.S. Geological Survey says a strong earthquake has struck the Pacific nation of Tonga, but no tsunami threat was expected.

The quake’s epicenter was located 47 miles northeast of Ohonua, Tonga, and struck at a depth of 6.2 miles.

The quake struck at 5:24 a.m. Pacific Time.

There is no tsunami threat from this earthquake, according to NOAA’s Pacific Tsunami Warning Center.

No injuries or damage were immediately reported.

Earthquakes are common in the region, which lies on the “Ring of Fire” — an arc of earthquake and volcanic activity that stretches around the Pacific Rim.