Question

1. where does most seismic activity occur in north america?

Explanation:

Most seismic activity in North America is concentrated along the western edge, specifically the Pacific Coast region. This area lies along the boundary of the Pacific and North American tectonic plates, including the San Andreas Fault system in California, which generates frequent earthquakes.

Answer:

Most seismic activity in North America occurs along the western (Pacific) coastal region, particularly in areas like California (associated with the San Andreas Fault system) and the broader Pacific Northwest, due to tectonic plate boundary interactions.