General Knowledge

Question
A mudflow associated with volcanic action or involving volcanic materials
Answer
Lahar

Question
A mass of liquid of partially solidified rock that is ejected from a volcano
Answer
Bomb

Question
A flow involving movement of broken rock, with little sand or mud, and particle-particle contact; usually developed in gravel or sand
Answer
Grain Flow

Question
Relatively slow movement of land, typically at rates of cm/yr
Answer
Subsidence

Question
A mass of cold, solid rock ejected from a volcano
Answer
Block

Question
Fine materials (dust, ash, and cinders) produced by volcanic action
Answer
Tephra

Question
An elevation that a stream cannot erode past, controlled by level of the body of water which the stream discharges into
Answer
Base Level

Question
A landslide that moves along a regular sloping planar surface
Answer
Translational Slide