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Maine Earthquakes 1997 to Present
Asterisk (*) indicates earthquakes felt in Maine, but with epicenters outside Maine.
Most microquakes (magnitude less than 2.0), which are generally too small to feel, are not listed here.
(C) indicates a Coda magnitude; all others are Nuttli magnitudes.
Dates are given in local Maine time (EST or EDT).
| Date | Magnitude | Location |
|---|---|---|
| May 21, 2021 | magnitude 1.9 | Near Seal Cove, Mount Desert Island. There were a few felt reports. |
| January 17, 2021 | magnitude 2.8 | About 3 miles northwest of Jonesboro, Washington County. Felt locally. |
| December 9, 2020 | magnitude 3.0 | Near Trimble Mountain, Robbinston, about 8 miles southeast of Calais, easternmost Maine. Felt in the Calais-Pembroke area and adjacent New Brunswick. |
| December 9, 2020 | magnitude 2.4 | In northern Robbinston, southeast of Calais, easternmost Maine. Location uncertainty approx. 3 miles. Followed by a M3.0 event 1 hr 46 mins later. |
| November 22, 2020 | magnitude 2.3 | In Parlin Pond Township, about 8 miles southeast of Jackman, Somerset County. |
| July 29, 2020 | magnitude 2.2 | East of Merrymeeting Bay, about 5 miles (8 km) north of Bath. Felt in Bath-Brunswick area. |
| July 4, 2020 | magnitude 2.1 | In Waterford, about 9 miles north-northwest of Bridgton. Felt locally. |
| April 11, 2020 | magnitude 2.1 | In Winterport, about 12 miles (19 km) southwest of Bangor. Felt locally. |
| March 9, 2020 | magnitude 2.2 | In Vienna, about 9 miles (15 km) southeast of Farmington. |
| February 23, 2020 | magnitude 2.2 | About half a mile (1 kilometer) west-southwest of Sabattus, Maine. |
| September 25, 2019 | magnitude 2.7 | About 32 miles (52 kilometers) east of Clayton Lake, Maine. |
| September 7, 2019 | magnitude 2.3 | About 7 miles (11 kilometers) south of Vinalhaven, Maine. |
| January 16, 2019 | magnitude 2.3 | West Kennebago Mtn, about 13 miles northwest of Rangeley. |
| February 15, 2018 | magnitude 2.7 | *About 4 miles southwest of Exeter, New Hampshire. Felt weakly in southernmost Maine. |
| January 24, 2018 | magnitude 2.3 | Harrison, about 16 miles north of Sebago Lake. Felt in Harrison, Otisfield. |
| January 17, 2018 | magnitude 2.6 | Dresden, about 3 miles southeast of Richmond. Felt in Sagadahoc, Lincoln, and Kennebec Counties. |
| June 7, 2017 | magnitude 2.1 | Monroe, about 2 miles northwest of Swan Lake State Park |
| January 21, 2017 | magnitude 2.1 | Mollyocket Mtn area, Woodstock. About 3 miles north of Trap Corner and 12 miles east of Bethel. |
| February 12, 2016 | magnitude 2.2 | Sangerville, 37 miles northwest of Bangor |
| February 11, 2016 | magnitude 2.4 | Saddleback Lake, about 4 miles east of Rangeley |
| February 8, 2016 | magnitude 2.9 | *McAdam, New Brunswick, 27 miles east-southeast of Danforth |
| February 8, 2016 | magnitude 2.1 | *McAdam, New Brunswick, 27 miles east-southeast of Danforth |
| February 5, 2016 | magnitude 2.2 | *McAdam, New Brunswick, 27 miles east-southeast of Danforth |
| February 2, 2016 | magnitude 3.3 | *Passamaquoddy Bay, 6 miles northeast of Eastport |
| January 15, 2016 | magnitude 2.3 | Beddington, about 36 miles east of Bangor |
| November 30, 2015 | magnitudes 1.0 to 2.2 | *McAdam, New Brunswick microquake swarm, 27 miles east-southeast of Danforth (Nov. 30 to Dec. 9) |
| November 1, 2015 | magnitude 2.3 | About 12 miles east-southeast of Bar Harbor (offshore) |
| May 22, 2015 | magnitude 2.4 | Near Dixfield-Jay town line |
| March 11, 2015 | magnitude 2.2 | Baldpate Mtn, western Maine |
| February 17, 2015 | magnitude 2.1 | *Canada, 18 km east-southeast of Calais |
| June 21, 2013 | magnitude 2.6 | Sidney, ME |
| January 14, 2013 | magnitude 2.5 | Boothbay Harbor area. |
| December 12, 2012 | magnitude 4.4 | *Canada, near La Malbaie, Quebec. Felt in northernmost Maine. |
| December 4, 2012 | magnitude 2.6 | Waterboro Center, about 15 miles northwest of Saco |
| November 23, 2012 | magnitude 2.1 | North Searsmont, about 11 miles west of Belfast |
| October 16, 2012 | magnitude 4.5 | East Waterboro, about 13 miles northwest of Saco |
| February 17, 2012 | magnitude 2.4 | T18ED BPP, 11 miles north of Machias, eastern Maine |
| February 17, 2012 | magnitude 2.3 | 12 miles north-northwest of Machias, eastern Maine |
| January 16, 2012 | magnitude 2.1 | 7 miles south-southeast of Allagash, northern Maine |
| December 30, 2011 | magnitude 2.0 | 12 miles south-southeast of Allagash, northern Maine |
| December 12, 2011 | magnitude 2.3 | Sedgwick, about 8 miles southeast of Castine, mid-coast Maine |
| July 7, 2011 | magnitude 2.3 | Brooksville, about 4 miles east of Castine, mid-coast Maine |
| April 30, 2011 | magnitude 1.7 and less | Bucksport - Searsport area, microquake swarm (April 30 to May 5) |
| March 25, 2011 | magnitude 2.2 | Burlington, about 9 miles southeast of Lincoln, central Maine |
| January 31, 2011 | magnitude 2.0 | near South Robbinston, about 11 miles north-northwest of Eastport |
| January 17, 2011 | magnitude 1.4 | town of Waldo, about 3 miles northwest of Belfast |
| August 29, 2010 | magnitude 2.3 | Hollis, about 9 miles west of Gorham |
| July 29, 2010 | magnitude 2.6 | Northfield, about 12½ miles northwest of Machias |
| June 23, 2010 | magnitude 5.0 | *Canada, about 35 miles north-northeast of Ottawa. Felt in southwestern Maine. |
| June 7, 2010 | magnitude 2.9 | *offshore, about 11 miles southeast of Boon Island (York County) |
| March 30, 2010 | magnitude 3.0 | near Orrington-Bucksport line, about 7 miles north of Bucksport |
| February 17, 2010 | magnitude 1.7 | *offshore of Trescott Township, about 14 miles south-southwest of Eastport |
| February 2, 2010 | magnitude 2.0 | about 8 miles southeast of Masardis (northwest of Houlton) |
| December 7, 2009 | magnitude 1.8 | Gardiner |
| November 19, 2009 | magnitude 2.5 | South Andover, about 6 miles northwest of Rumford Center |
| December 24, 2008 | magnitude 2.2 | Clinton, about 10 miles northeast of Waterville |
| November 13, 2008 | magnitude 2.2 | Newry, about 10 miles west of Rumford |
| October 25, 2008 | magnitude 2.6(C) | Livermore, about 21 miles north of Lewiston |
| October 24, 2008 | magnitude 2.2(C) | Exeter, about 6 miles east of Corinna |
| August 30, 2008 | magnitude 2.7(C) | Wilton, about 5 miles southwest of Farmington |
| August 22, 2008 | magnitude 2.4(C) | Mount Vernon, about 14 miles northwest of Augusta |
| May 30, 2008 | magnitude 2.4(C) | Flanders Bay, about 7 miles northeast of Bar Harbor |
| May 19, 2008 | magnitude 2.4(C) | Presque Isle |
| December 11, 2007 | magnitude 2.2 | Topsham, about 5 miles northwest of Brunswick |
| October 9, 2007 | magnitude 2.0 | Andover, about 12 miles northwest of Rumford |
| October 2, 2007 | magnitude 2.4(C) | Topsham, about 3 miles northwest of Brunswick |
| October 2, 2007 | magnitude 2.3(C) | Lexington Township, about 22 miles northwest of Skowhegan |
| July 16, 2007 | magnitude 2.4(C) | Lewiston |
| March 4, 2007 | magnitude 2.2 | *about 10 miles east-southeast of Isle Au Haut (offshore) |
| February 26, 2007 | magnitude 1.7 | approx. 7 miles north-northwest of Ellsworth |
| February 1, 2007 | magnitude 2.1 | approx. 5.5 miles southwest of Augusta |
| December 29, 2006 | magnitude 3.1 | east of Cadillac Mountain, Mount Desert Island |
| December 18, 2006 | magnitude 2.3 | east of Cadillac Mountain, Mount Desert Island |
| October 22, 2006 | magnitude 2.3 | east of Cadillac Mountain, Mount Desert Island |
| October 2, 2006 | magnitude 4.2 | east of Cadillac Mountain, Mount Desert Island |
| September 28, 2006 | magnitude 2.5 | east of Cadillac Mountain, Mount Desert Island |
| September 22, 2006 | magnitude 3.4 | east of Cadillac Mountain, Mount Desert Island |
| August 5, 2006 | magnitude 1.9 | approx. 6 miles west of Byron, western Maine |
| July 14, 2006 | magnitude 3.8 | about 15 miles northwest of Portage, central Aroostook Co. |
| May 31, 2006 | magnitude 1.6 | *approx. 23 miles southeast of Machias (offshore) |
| May 29, 2006 | magnitude 1.5 | approx. 7 miles southeast of Dover-Foxcroft |
| January 20, 2006 | magnitude 1.8 | approx. 6 miles southeast of Dover-Foxcroft |
| January 20, 2006 | magnitude 1.7 | approx. 13 miles southeast of Dover-Foxcroft |
| September 25, 2005 | magnitude 3.5 | approx. 8 miles northwest of Pembroke, Washington Co. |
| August 14, 2005 | magnitude 1.9 | China Lake region, northeast of Augusta (poorly located) |
| May 11, 2005 | magnitude 2.4 | approx. 6 miles northeast of Dover-Foxcroft |
| March 6, 2005 | magnitude 5.4 | *northeast of Quebec City, Canada (felt widely across Maine) |
| June 22, 2004 | magnitude 2.0 | approx. 6 miles northeast of Dover-Foxcroft |
| March 29, 2004 | magnitude <2.0(?) | felt in Hallowell, Farmingdale |
| March 16, 2004 | magnitude 2.1 | Cape Neddick area (offshore) |
| October 15, 2003 | magnitude 3.1 | *approx. 11 miles east of Robbinston, Passamaquoddy Bay |
| August 22, 2003 | magnitude 2.4 | between Waterville and Augusta |
| March 15, 2003 | magnitude 2.2 | Limington-Standish area, southern Maine |
| February 11, 2003 | magnitude 2.1 | approx. 13 miles north of Dover-Foxcroft |
| May 11, 2002 | magnitude 2.5 | approx. 12 miles northeast of Newport (central Maine) |
| April 20, 2002 | magnitude 5.3 | *near Plattsburgh, New York |
| March 15, 2002 | magnitude 1.9 | near Brownville Junction (central Maine) |
| February 25, 2002 | magnitude 2.6 | about 4 miles southwest of Bucksport |
| December 27, 2001 | magnitude 2.8 | approx. 35 miles northeast of Bangor |
| October 24, 2001 | magnitude 3.3 | approx. 2 miles south of Howland |
| July 14, 2001 | magnitude 1.7 | approx. 4 miles north of Harmony |
| July 13, 2001 | magnitude 1.7 | approx. 5 miles south of Dover-Foxcroft |
| July 1, 2001 | magnitude 1.3 | approx. 2 miles southwest of Bucksport |
| January 20, 2001 | magnitude 2.5 | approx. 8 miles northwest of Machias |
| September 7, 2000 | magnitude 3.2 | approx. 15 miles southeast of Waterville |
| January 17, 2000 | magnitude 3.4 | approx. 10 miles north of Rumford |
| January 3, 2000 | magnitude 3.4 | Turner-Livermore area |
| December 24, 1999 | magnitude 3.0 | Newport-Etna area |
| July 27, 1999 | magnitude 2.7 | approx. 30 miles south of Allagash |
| July 4, 1999 | magnitude 2.3 | *approx. 20 miles southeast of Cutler (offshore) |
| June 9, 1999 | magnitude 1.8 | east of Petit Manan (offshore) |
| February 25, 1999 | magnitude 3.6 | approx. 7 miles southeast of Waterville |
| January 1, 1999 | magnitude 2.3 | Perry-Quoddy area, Passamaquoddy Bay |
| September 16, 1998 | magnitude 2.6 | near West Pembroke (eastern Maine) |
| September 5, 1998 | magnitude 2.3 | near Sedgwick (mid-coast Maine) |
| June 7, 1998 | magnitude 1.9 | approx. 12 miles southwest of Fish River Lake (northern Maine) |
| November 5, 1997 | magnitude 5.1 | *near Quebec City, Canada (felt widely across Maine) |
| April 29, 1997 | magnitude 3.0 | near Wilton (central Maine) |
Information Sources: Weston Observatory of Boston College, U. S. Geological Survey, Earthquakes Canada G.S.C., Maine Geological Survey
Last updated on May 21, 2021