Night Light of Usulután from space (El Salvador) Src. Average luminocity for 10x10km area is 8.8781% and for 50x50km: 1.2631%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
14° 1' 59.3" North, 89° 9' 11.3" West
13° 21' 0" North, 88° 27' 0" West
12° 39' 53.7" North, 87° 44' 48.8" West
Some cities around Usulután sort by population:
• San Rafael Oriente
11.4 km =7.1 mi, 71°
• Puerto El Triunfo
13.1 km =8.1 mi, 235°
• Santiago de María
14.9 km =9.3 mi, 353°
• Berlín
19 km =11.8 mi, 331°
• Jucuapa
19.9 km =12.4 mi, 21°
• El Tránsito
10.8 km =6.7 mi, 90°
• Jiquilisco
14.9 km =9.3 mi, 255°
• Santa Elena
5.2 km =3.2 mi, 44°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016