Question
A large steep-sided volcano consisting of layers of ash, fragmental debris and lava
Answer
Stratovolcanoes
A large steep-sided volcano consisting of layers of ash, fragmental debris and lava Read More »
General KnowledgeQuestion
A mudflow associated with volcanic action or involving volcanic materials
Answer
Lahar
A mudflow associated with volcanic action or involving volcanic materials Read More »
General KnowledgeQuestion
The amount the fault or ridge moves away from its point of origin (aka displacement)
Answer
Offset
The amount the fault or ridge moves away from its point of origin (aka displacement) Read More »
General KnowledgeQuestion
Component of stress perpendicular to the earth’s planar surface (force keeping the boulder/grain from moving)
Answer
Normal Stress
Question
A mass of liquid of partially solidified rock that is ejected from a volcano
Answer
Bomb
A mass of liquid of partially solidified rock that is ejected from a volcano Read More »
General KnowledgeQuestion
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
Relatively slow movement of land, typically at rates of cm/yr Read More »
General KnowledgeQuestion
A mass of cold, solid rock ejected from a volcano
Answer
Block
A mass of cold, solid rock ejected from a volcano Read More »
General KnowledgeQuestion
Fine materials (dust, ash, and cinders) produced by volcanic action
Answer
Tephra
Fine materials (dust, ash, and cinders) produced by volcanic action Read More »
General KnowledgeQuestion
An elevation that a stream cannot erode past, controlled by level of the body of water which the stream discharges into
Answer
Base Level
