A magnitude 4.5 earthquake struck the northeastern U.S. state of Maine on Tuesday at 7:12 p.m. ET, according to the U.S. Geological Survey.

The quake's epicenter was located 3.7 miles from Lake Arrowhead, which is about 30 miles west of Portland, Maine's most populous city, and about 100 miles north of Boston.
Eyewitnesses across the Boston area reported feeling the quake for up to 20 to 30 seconds. The tremblor was felt in much of southern New England.
There were no immediate reports of damage.

Update at 7:57 p.m. ET: Twitter users in Montpelier, Vt., reported "sustained shaking for 10 seconds,

Update at 7:40 p.m. ET: The USGS has revised the magnitude to 4.6 and the epicenter to 3 miles west of Hollis Center, Maine, which is west of Portland. It struck at 7:12 p.m. ET.

The USGS says the New England region has "felt small earthquakes and suffered damage from infrequent larger ones since colonial times. Moderately damaging earthquakes strike somewhere in the region every few decades, and smaller earthquakes are felt roughly twice a year."

No reports so far of any damage.



Team Earthquake Diary