(CBS SF) -- A strong earthquake shook the Fiji Islands and the area northeast of New Zealand Tuesday.
The 6.2 magnitude quake struck at 8:39 a.m. Pacific time about 18 miles south of Fiji's Ndoi Island and 223 miles west of Tonga's capital Nuku'alofa.
Fiji has had three earthquakes of 6.0 magnitude or higher within the last four months, as well as many others in the 4 and 5 magnitude range.
There was no tsunami alert and no immediate reports of damage or injuries.
COMPLETE QUAKE COVERAGE: CBS Earthquake Resource Center
Strong earthquakes with an epicenter off the coast can trigger tsunamis, depending on the size and type of the fault movement. The Pacific Tsunami Warning Center tracks earthquake data for the West Coast.
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