The major temblor occurred shortly before 6 a.m. Pacific Time, the USGS said, south of the Kermadec Islands. It's depth was measured at less than 1 mile.
Minutes after the quake, the National Weather Service said no tsunami was expected for the West Coast of the United States.
No injuries or major damage were reported in New Zealand.
Tsunami Info Stmt: M7.4 South Of Kermadec Islands 0550PDT Jun 18: Tsunami NOT expected; CA,OR,WA,BC,and AK— NWS Tsunami Alerts (@NWS_NTWC) June 18, 2020