Solomon Islands hit by second 7.5-magnitude earthquake
The Solomon Islands have been hit by a second earthquake of 7.5-magnitude, less than a day after a similar strength tremor.
A tsunami warning was in effect in the Solomon Islands, Vanuatu and Papua New Guinea, although it was not known whether a tsunami had been generated.
The latest quake was registered at a depth of 12 miles below the seabed, the US Geological Survey said.
There were no reports of major damage or casualties after the first quake early Sunday local time.

A 7.5 earthquake has struck off the Solomon Islands, less than a day after a similar strength tremor
The first tremor woke people in the Solomon Islands, striking at 07:14 local time, and was followed by a 5.9 magnitude aftershock.
The Pacific Tsunami Warning Centre reported indications of a small tsunami which may have caused some damage hear the epicenter 200 miles southeast of the capital, Honiara.
The Solomon Islands lies in a zone prone to frequent earthquakes and volcanic activity.
In February, several people were killed after a tsunami triggered by a magnitude 8.0 quake struck near the Santa Cruz islands – part of the Solomon Islands nation.
The latest quakes come only a week after the Solomon Islands were hit by severe flooding, which left more than 20 people dead.
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