explosions  search
NTchemical explosions
 nuclear explosions
RTland subsidence
 mining geology
 earthquakes
 engineering geology
 rock mechanics
 elastic waves
 geologic hazards
 marine installations
 foundations
 deep seismic sounding
 blasting
 excavations
 blowouts
 fireballs
 cryptoexplosion features
 elastic materials
 seismic
SNUsed for geotechnical and seismological studies on the effects of explosions. Before 1978, also search explosion phenomena.