Night Light of Underwood (Queensland) from space (Australia) Src. Average luminocity for 10x10km area is 74.2262% and for 50x50km: 40.9532%.
Square area 10x10 km:
 14.88%
 16.67%
 15.28%
 15.67%
 14.88%
 6.15%
 4.56%
 6.15%
 5.75%
 0%
 0%Square area 50x50 km:
 7.76%
 8.59%
 5.06%
 5.68%
 11%
 3.52%
 3.78%
 4.21%
 6.91%
 12.34%
 31.15%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
26° 59' 2.5" South, 152° 24' 29.4" East
27° 36' 31.9" South, 153° 6' 40.7" East
28° 13' 48.5" South, 153° 48' 51.9" East
Some cities around Underwood sort by population:
• Logan City
		3.4 km =2.1 mi, 
183°
• Eight Mile Plains
		3 km =1.9 mi, 
338°
• Rochedale South
		1.9 km =1.2 mi, 
37°
• Runcorn
		3.6 km =2.2 mi, 
290°
• Woodridge
		2.9 km =1.8 mi, 
202°
• Springwood
		1.8 km =1.1 mi, 
100°
• Kuraby
		1.8 km =1.1 mi, 
277°
• Logan Central
		3.9 km =2.4 mi, 
185°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016