strong earthquake activity at a hot spot pressure in thick sediments that produces heat unusually excessive erosion that wears away bedrock
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: A volcano found in the center of a tectonic plate tends to be a result of which phenomenon?
Possibilities:
- strong earthquake
- activity at a hot spot
- pressure in thick sediments that produces heat
- unusually excessive erosion that wears away bedrock

activity at a hot spot