Revised Modified Mercalli intensities for the Magnitude 7.2 1929 Grand Banks earthquake

Revised Modified Mercalli Intensities (MMI) for the November 18, 1929 Earthquake (Grand Banks, Newfoundland)

Modified from: Table 4, Modified Mercalli Intensities (MMI) for Some Earthquakes in Eastern North America (ENA) and Empirical MMI Site Corrections for Towns in ENA. W.H. Bakun, A.C. Johnston, and M.G. Hopper - U.S. Geological Survey [Open-File Report 02-109, 2002][geopub usgs of02-109]

Description of the Modified Mercalli intensity scale

1929 revised modified mercalli intensity map
Latitude Longitude MMI Location Prov/State
47.03 -55.17 6 Burin NF
49.52 -55.07 4 Exploits NF
46.87 -55.82 4 Lamaline NF
49.25 -55.05 4 Lewisporte NF
47.57 -52.73 5 St. John's NF
48.93 -55.53 4 Three Brooks NF
49.65 -54.77 4 Twillingate NF
45.83 -64.20 5 Amherst NS
46.17 -60.57 7 Boularderie NS
45.33 -61.00 5 Canso NS
46.17 -60.75 8 Cape Breton Island NS
44.62 -65.77 3 Digby NS
44.03 -64.72 6 Liverpool NS
45.92 -59.97 4 Louisbourg NS
45.58 -62.65 5 New Glasgow NS
45.13 -61.98 4 Sherbrooke NS
46.15 -60.18 7 Sydney NS
45.37 -63.27 4 Truro NS
43.95 -66.03 4 Yarmouth NS
47.63 -65.63 5 Bathurst NB
47.03 -65.47 4 Chatham NB
47.38 -68.29 4 Edmundston NB
45.95 -66.67 5 Fredericton NB
46.12 -64.80 4 Moncton NB
45.13 -66.83 3 Saint George NB
45.26 -66.04 3 Saint John NB
46.82 -64.07 5 Alberton PE
46.24 -63.13 4 Charlottetown PE
46.35 -62.25 3 Souris PE
46.35 -62.25 3 Souris East PE
46.40 -63.79 4 Summerside PE
47.45 -70.50 3 Baie St. Paul PQ
45.60 -73.45 3 Boucherville PQ
51.46 -57.24 4 Bradore Bay PQ
48.83 -64.48 4 Gaspe PQ
49.32 -67.60 3 Godbout PQ
46.62 -72.70 5 Grandmere PQ
47.43 -72.78 4 La Tuque PQ
48.85 -67.53 4 Matane PQ
48.43 -68.55 4 Rimouski PQ
48.65 -72.45 3 Saint Felicien PQ
46.03 -73.12 3 Saint Joseph de Sorel PQ
50.20 -66.38 3 Seven Islands PQ
48.15 -69.72 3 Tadoussac PQ
46.08 -71.30 3 Thetford Mines PQ
46.35 -72.55 3 Trois Rivieres PQ
45.42 -75.70 3 Ottawa ON
41.19 -73.20 3 Bridgeport CT
41.75 -72.70 5 Hartford CT
41.67 -72.78 3 New Britain CT
41.30 -72.92 4 New Haven CT
41.58 -73.42 4 New Milford CT
41.53 -72.08 3 Norwich CT
41.92 -71.90 2 Putnam CT
41.93 -73.07 5 Winsted CT
41.55 -73.20 4 Woodbury CT
39.80 -75.47 3 Claymont DE
42.85 -70.93 5 Amesbury MA
42.60 -72.23 5 Athol MA
41.95 -71.27 4 Attleboro MA
41.70 -70.30 4 Barnstable MA
42.33 -71.08 5 Boston MA
41.75 -70.62 4 Bourne MA
42.10 -71.02 3 Brockton MA
42.28 -71.12 5 Brookline MA
42.37 -71.10 4 Cambridge MA
42.58 -70.97 3 Danvers MA
42.25 -71.17 4 Dedham MA
41.70 -70.01 2 East Harwich MA
42.17 -71.22 2 East Walpole MA
42.30 -71.42 4 Framingham MA
42.60 -72.62 4 Greenfield MA
42.78 -71.08 3 Haverhill MA
42.20 -72.60 6 Holyoke MA
41.65 -70.27 5 Hyannis MA
42.63 -71.32 6 Lowell MA
42.48 -70.95 5 Lynn MA
42.42 -71.07 5 Malden MA
42.42 -71.10 2 Medford MA
41.28 -70.10 4 Nantucket MA
42.28 -71.23 5 Needham MA
41.62 -70.92 4 New Bedford MA
42.78 -70.90 5 Newburyport MA
42.17 -72.32 4 Palmer MA
41.97 -70.67 4 Plymouth MA
42.07 -70.18 4 Provincetown MA
42.28 -71.00 2 Quincy MA
42.65 -70.62 2 Rockport MA
42.53 -70.88 4 Salem MA
41.92 -69.99 3 South Wellfleet MA
42.12 -72.58 5 Springfield MA
41.90 -71.10 5 Taunton MA
42.38 -71.23 4 Waltham MA
42.33 -71.08 5 West Roxbury MA
42.28 -71.80 4 Worcester MA
43.48 -70.72 6 Alfred ME
44.80 -69.88 4 Anson ME
44.09 -70.24 5 Auburn ME
44.28 -69.78 2 Augusta ME
44.78 -68.78 5 Bangor ME
44.40 -68.22 5 Bar Harbor ME
43.92 -69.80 6 Bath ME
44.43 -69.00 3 Belfast ME
44.40 -70.78 4 Bethel ME
43.48 -70.45 3 Biddeford ME
46.50 -67.87 4 Blaine ME
45.34 -69.04 4 Brownville ME
45.18 -67.27 4 Calais ME
46.87 -68.02 4 Caribou ME
44.60 -67.93 5 Cherryfield ME
46.06 -69.41 3 Chesuncook ME
44.92 -66.98 6 Eastport ME
46.68 -68.33 3 Frenchville ME
45.46 -69.59 2 Greenville ME
45.74 -68.59 3 Grindstone ME
44.27 -69.80 3 Hallowell ME
45.63 -70.27 5 Jackman ME
43.38 -70.55 5 Kennebunk ME
44.21 -70.08 4 Leeds Junction ME
45.38 -68.50 4 Lincoln ME
44.85 -66.98 4 Lubec ME
44.72 -67.47 4 Machias ME
45.67 -68.72 4 Millinocket ME
45.25 -68.98 5 Milo ME
44.83 -69.27 3 Newport ME
44.22 -70.55 4 Norway ME
44.93 -68.65 5 Oldtown ME
44.27 -70.50 3 Paris ME
43.68 -70.30 5 Portland ME
44.10 -69.13 5 Rockland ME
44.55 -70.57 5 Rumford ME
43.43 -70.77 2 Sanford ME
46.65 -68.40 3 Sheridan ME
45.53 -70.60 3 Skinner ME
44.23 -70.52 4 South Paris ME
43.47 -70.80 2 Springvale ME
44.05 -68.83 4 Vinal Haven ME
44.57 -69.62 5 Waterville ME
44.45 -71.18 4 Berlin NH
43.60 -71.73 3 Bristol NH
43.97 -71.12 3 Conway NH
42.98 -70.93 4 Exeter NH
43.39 -71.06 3 Farmington NH
43.43 -71.63 3 Franklin NH
44.38 -71.17 3 Gorham NH
42.92 -72.28 4 Keene NH
43.53 -71.47 4 Laconia NH
43.53 -71.47 4 Lakeport NH
44.48 -71.57 4 Lancaster NH
43.65 -71.50 2 Meredith NH
42.77 -71.47 6 Nashua NH
44.75 -71.62 4 North Stratford NH
43.03 -71.18 3 Raymond NH
44.60 -71.41 2 Stark NH
43.58 -71.23 5 Wolfeboro NH
44.13 -72.03 6 Woodsville NH
42.67 -73.80 2 Albany NY
42.10 -75.92 2 Binghamton NY
40.72 -74.00 3 Brooklyn NY
44.58 -75.17 2 Canton NY
42.28 -74.92 2 Delhi NY
44.90 -73.85 4 Elienburg NY
41.72 -74.40 4 Elienville NY
40.62 -73.97 4 Flushing NY
43.30 -73.67 4 Glens Falls NY
42.83 -75.55 3 Hamilton NY
40.75 -73.98 3 New York NY
42.55 -75.55 2 Norwich NY
44.70 -73.47 3 Plattsburg NY
40.60 -74.10 3 Saint George(Staten Island) NY
43.08 -73.78 4 Saratoga Springs NY
40.97 -73.78 2 Scarsdale NY
42.80 -73.92 2 Schenectady NY
42.68 -75.50 2 Sherburne NY
42.32 -75.40 2 Sidney NY
42.73 -73.72 2 Troy NY
42.18 -75.13 2 Walton NY
42.08 -75.63 2 Windsor NY
41.17 -71.57 3 Block Island RI
41.92 -71.67 3 Chepachet RI
41.49 -71.31 4 Newport RI
41.83 -71.42 5 Providence RI
41.38 -71.82 4 Westerly RI
44.22 -72.52 3 Barre VT
43.13 -72.45 4 Bellows Falls VT
43.83 -72.63 3 Bethel VT
44.47 -73.23 3 Burlington VT
44.96 -73.05 3 High Gate VT
44.27 -72.57 3 Montpelier VT
44.93 -72.22 4 Newport VT
44.13 -72.67 4 Northf ield VT
43.93 -72.67 2 Randolph VT
44.43 -72.02 4 Saint Johnsbury VT
43.03 -72.78 4 Wardsboro VT
44.33 -72.75 3 Waterbury VT