From: Ballistic ejecta and eruption condition of the vulcanian explosion of Shinmoedake volcano, Kyushu, Japan on 1 February, 2011
Location
A
B
Distance (m)
3400
3100
Elevation (m)
945
963
Crater radius (m)
3.5
4
Crater depth (m)
2.0
2.7
Impact angle (°)
50–60