Question

a town experiences a smaller earthquake several days later a larger one . What has occurred?

Answer 1

Aftershocks are smaller earthquakes that come after the bigger one.

Answer 2

Answer:   An aftershock.

Explanation:

When there is a large earthquake and some time later, not long, there is a smaller earthquake in the same regional area, that is what we call an Aftershock. This happens due to adjustments still being made on the displaced crust left by the bigger earthquake, the number of aftershocks may vary depending on each specific scenario.