A small earthquake detected off the coast of Maine Wednesday was an aftershock from a larger quake that was felt in Boston earlier this week. Scientist John Ebel with the Weston Observatory explains why more are possible.

It felt as if the furnace was blowing up, a truck was hitting our building and our solar panels were falling off – all at the same time,” said a resident less than 10 miles from the quake’s epicenter.

A 3.8-magnitude earthquake centered near the Maine coast rattled houses in northern New England on Monday and was felt by surprised residents of states hundreds of miles away.