Volcanic Ash Region Path Planning Based on Improved A-Star Algorithm

Table 2

Latitude and longitude coordinates and radius of the volcanic ash center.

Volcanic ash area	Longitude	Latitude	Radius (km)
1	2.9°E	36.9°N	110
2	14.5°E	36.7°N	200
3	28.1°E	35.4°N	160
4	22.8°E	32.1°N	110
5	12.9°E	32.0°N	200