Night Light of Zapatoca (Santander) from space (Colombia) Src. Average luminocity for 10x10km area is 6.3095% and for 50x50km: 6.0845%.
Square area 10x10 km:
 0.43%
 0.43%
 0%
 1.95%
 1.52%
 0.87%
 0%
 1.73%
 0%
 0%
 93.07%Square area 50x50 km:
 0.28%
 0.39%
 0.21%
 2.32%
 1.89%
 0.58%
 0.11%
 0.34%
 0.88%
 2.98%
 90.03%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
7° 30' 46.6" North, 73° 58' 14.9" West
6° 48' 55.2" North, 73° 16' 3.6" West
6° 7' 0" North, 72° 33' 52.4" West
Some cities around Zapatoca sort by population:
• Bucaramanga
		38.1 km =23.7 mi, 
25°
• Floridablanca
		34 km =21.1 mi, 
36°
• Girón
		30.1 km =18.7 mi, 
21°
• Piedecuesta
		30.8 km =19.1 mi, 
51°
• San Gil
		31.9 km =19.8 mi, 
152°
• Socorro
		38.6 km =24 mi, 
178°
• San Vicente de ChucurÃ
		17.3 km =10.7 mi, 
294°
• Lebrija
		33.6 km =20.9 mi, 
9°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016