Question

what was the 1986 earthquake in california, along the san andreas fault, an example of? a tsunami a volcanic eruption a transform fault earthquake

Explanation:

The San Andreas Fault is a transform - type plate boundary. At transform faults, tectonic plates slide past each other horizontally. Earthquakes that occur along such boundaries are called transform fault earthquakes. A tsunami is a large ocean wave usually caused by an underwater earthquake, landslide, or volcanic eruption, but the question is specifically about the type of earthquake. A volcanic eruption is related to magma reaching the Earth's surface, which is a different geological process than the horizontal movement at a transform fault that causes earthquakes.

Answer:

C. a transform fault earthquake