A 2.0 magnitude earthquake was recorded off York Harbor, Maine, early Wednesday by the U.S. Geological Survey, an aftershock to Monday’s earthquake.

Another earthquake of a relatively minor 2.0 magnitud e was recorded overnight in approximately the same spot as Monday’s 3.8-magnitude quake off the coast of Maine, according to the United State Geological Survey.

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.

People across the region felt a 3.8 magnitude earthquake that was centered off the coast of Maine in York Harbor. So how rare is such an occurrence in New England?

Experts from UNH explain how rare the 3.8 magnitude earthquake was and the likelihood of significant aftershocks.

Maine is not typically associated with significant seismic activity, making Monday's earthquake all the more unusual. Most earthquakes in the state are too small to feel, and large, damaging quakes are incredibly rare.

A 3.8-magnitude earthquake struck near York Harbor, Maine, early Monday, sending tremors as far south as Boston and as far west as Albany, New York. The quake, detected approximately 12 miles underground, caused no reported injuries or damage, but its occurrence has renewed attention on New England's seismic history​​.

A light but rare 3.8-magnitude earthquake struck off the coast of southern Maine on Monday morning, according to the United States Geological Survey, sending trembles across New England. The earthquake’s epicenter was about 10 miles east of Portsmouth, N.H., the survey said. There were no immediate reports of injuries or damage.

It’s been a very busy week underground in Maine, as there was an aftershock Wednesday morning from the larger earthquake that occurred Monday.

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But for busy people, here’s a summary of things you should know about what to do before, during and after an earthquake in Japan. If you’re on public transport: Follow the same guidelines ...