text:  On the neighbor islands, a 4.1 magnitude earthquake shook Hawaii Island on Saturday night, according to the U.S. Geological Survey. There was no tsunami threat. The quake happened at 8.47 p.m. and was centered on the southern flank of Kilauea Volcano at a depth of 4.4 miles. The quake was just the first in a seismic swarm in the area. The USGS said apparent aftershocks happened at 8.51 p.m.,