The quake briefly prompted a tsunami alert for parts of Vanuatu, according to the U.S. Tsunami Warning System, which is part ...

The scientist believes the mega coral’s location — which is in deeper, cooler waters than where most reefs are found — has protected it from possible environmental calamities and allowed it ...

the framework of the coral reef is filled with sediment and cemented with calcite and aragonite. If sea level changes, the reefs become exposed to corrosive rainwater that dissolves the unstable ...