| Rank | Earthquake Index ▼ | City / Population |
| 1. | 14.24 | Moodus, CT / 1,403 |
| 2. | 11.89 | Haddam, CT |
| 3. | 10.82 | Higganum, CT / 1,673 |
| 4. | 7.09 | East Hampton, CT / 2,402 |
| 5. | 5.35 | Middle Haddam, CT |
| 6. | 4.88 | Glenville, CT / 2,383 |
| 7. | 4.27 | East Haddam, CT |
| 8. | 4.12 | Cobalt, CT |
| 9. | 3.89 | Pemberwick, CT / 4,058 |
| 10. | 3.50 | North Westchester, CT |
| 11. | 3.33 | Lake Pocotopaug, CT / 2,994 |
| 12. | 3.29 | Greenwich, CT / 13,221 |
| 13. | 3.20 | Byram, CT / 4,885 |
| 14. | 2.84 | Chester, CT |
| 15. | 2.80 | Hadlyme, CT |
| 16. | 2.49 | Chester Center, CT / 1,761 |
| 17. | 2.38 | East Haven, CT / 29,139 |
| 18. | 2.37 | Terramuggus, CT / 837 |
| 19. | 2.35 | New Haven, CT / 130,553 |
| 20. | 2.32 | Stamford, CT / 125,401 |
| 21. | 2.27 | Cos Cob, CT / 6,265 |
| 22. | 2.25 | Marlborough, CT |
| 23. | 2.18 | North Haven, CT / 23,997 |
| 24. | 2.08 | Riverside, CT / 8,682 |
| 25. | 1.94 | Old Greenwich, CT / 6,520 |
| 26. | 1.84 | Hamden, CT |
| 27. | 1.77 | Northford, CT |
| 28. | 1.71 | Branford Center, CT / 6,255 |
| 29. | 1.70 | East Glastonbury, CT |
| 30. | 1.70 | Glastonbury, CT |
| 31. | 1.63 | Rocky Hill, CT |
| 32. | 1.59 | Darien, CT / 21,190 |
| 33. | 1.53 | Wethersfield, CT / 26,579 |
| 34. | 1.48 | South Glastonbury, CT |
| 35. | 1.48 | Newington, CT / 30,652 |
| 36. | 1.45 | Cheshire Village, CT / 5,264 |
| 37. | 1.44 | Cheshire, CT |
| 38. | 1.43 | Portland, CT / 5,634 |
| 39. | 1.38 | Prospect, CT |
| 40. | 1.36 | Vernon Rockville, CT |
| 41. | 1.34 | North Branford, CT |
| 42. | 1.33 | Rockville, CT / 7,348 |
| 43. | 1.32 | Deep River Center, CT / 2,408 |
| 44. | 1.32 | Guilford, CT |
| 45. | 1.28 | Burlington, CT |
| 46. | 1.27 | Durham, CT / 2,924 |
| 47. | 1.23 | New Hartford, CT |
| 48. | 1.22 | New Canaan, CT |
| 49. | 1.20 | Middletown, CT / 47,424 |
| 50. | 1.20 | Norwalk, CT / 87,214 |
| 51. | 1.19 | Colchester, CT / 4,414 |
| 52. | 1.18 | Branford, CT |
| 53. | 1.18 | Hebron, CT |
| 54. | 1.15 | Bolton, CT |
| 55. | 1.12 | Amston, CT |
| 56. | 1.11 | Killingworth, CT |
| 57. | 1.11 | Deep River, CT |
| 58. | 1.06 | Glastonbury Center, CT / 7,418 |
| 59. | 1.05 | Collinsville, CT / 3,851 |
| 60. | 0.95 | Cromwell, CT |
| 61. | 0.94 | Milldale, CT |
| 62. | 0.94 | Rockfall, CT |
| 63. | 0.94 | Wallingford, CT |
| 64. | 0.93 | Wallingford Center, CT / 17,824 |
| 65. | 0.92 | Middlefield, CT |
| 66. | 0.89 | Hartford, CT / 125,211 |
| 67. | 0.88 | New Britain, CT / 73,095 |
| 68. | 0.88 | Madison, CT |
| 69. | 0.86 | Ivoryton, CT |
| 70. | 0.85 | Marion, CT |
| 71. | 0.84 | Northwest Harwinton, CT / 3,186 |
| 72. | 0.82 | East Berlin, CT |
| 73. | 0.81 | Harwinton, CT |
| 74. | 0.80 | Centerbrook, CT |
| 75. | 0.79 | Essex Village, CT / 2,174 |
| 76. | 0.78 | Essex, CT |
| 77. | 0.76 | Meriden, CT / 60,616 |
| 78. | 0.76 | Salem, CT |
| 79. | 0.75 | Manchester, CT / 30,621 |
| 80. | 0.69 | West Haven, CT / 55,290 |
| 81. | 0.68 | Andover, CT |
| 82. | 0.68 | Plantsville, CT |
| 83. | 0.68 | East Hartford, CT / 51,211 |
| 84. | 0.67 | Kensington, CT / 9,492 |
| 85. | 0.67 | Old Lyme, CT |
| 86. | 0.65 | Westbrook, CT |
| 87. | 0.65 | Berlin, CT |
| 88. | 0.64 | West Hartford, CT / 63,396 |
| 89. | 0.63 | Tolland, CT |
| 90. | 0.62 | Guilford Center, CT / 2,394 |
| 91. | 0.61 | Madison Center, CT / 2,415 |
| 92. | 0.60 | Woodbridge, CT |
| 93. | 0.60 | Clinton, CT / 3,372 |
| 94. | 0.58 | Coventry, CT |
| 95. | 0.58 | Ellington, CT |
| 96. | 0.56 | Bethany, CT |
| 97. | 0.55 | Westbrook Center, CT / 2,182 |
| 98. | 0.55 | Columbia, CT |
| 99. | 0.55 | Old Saybrook, CT |
| 100. | 0.55 | Lebanon, CT |
| 101. | 0.55 | Southington, CT |
| 102. | 0.54 | Coventry Lake, CT / 3,417 |
| 103. | 0.54 | Wilton Center, CT / 676 |
| 104. | 0.52 | Saybrook Manor, CT / 1,045 |
| 105. | 0.51 | Farmington, CT |
| 106. | 0.50 | Wilton, CT |
| 107. | 0.50 | Canton Valley, CT / 1,484 |
| 108. | 0.50 | Mansfield Depot, CT |
| 109. | 0.49 | Gilman, CT |
| 110. | 0.49 | South Windsor, CT |
| 111. | 0.49 | Plainville, CT |
| 112. | 0.48 | Oakdale, CT |
| 113. | 0.48 | Pine Meadow, CT |
| 114. | 0.48 | Old Saybrook Center, CT / 2,182 |
| 115. | 0.48 | Unionville, CT |
| 116. | 0.47 | East Lyme, CT |
| 117. | 0.47 | South Coventry, CT / 1,036 |
| 118. | 0.47 | Orange, CT / 13,947 |
| 119. | 0.47 | Bozrah, CT |
| 120. | 0.47 | Cannondale, CT / 173 |
| 121. | 0.46 | Ridgefield, CT / 7,599 |
| 122. | 0.45 | Fenwick, CT / 65 |
| 123. | 0.45 | Blue Hills, CT / 2,735 |
| 124. | 0.44 | New Hartford Center, CT / 1,509 |
| 125. | 0.44 | Georgetown, CT / 1,819 |
| 126. | 0.44 | Wolcott, CT |
| 127. | 0.44 | Westport, CT / 27,055 |
| 128. | 0.43 | South Willington, CT |
| 129. | 0.43 | Avon, CT |
| 130. | 0.43 | East Windsor Hill, CT |
| 131. | 0.43 | Naugatuck, CT / 31,790 |
| 132. | 0.42 | Canton, CT |
| 133. | 0.42 | Beacon Falls, CT |
| 134. | 0.42 | Bristol, CT / 60,556 |
| 135. | 0.42 | Woodmont, CT / 1,530 |
| 136. | 0.41 | Ansonia, CT / 19,128 |
| 137. | 0.41 | Willimantic, CT / 17,845 |
| 138. | 0.41 | Waterbury, CT / 109,887 |
| 139. | 0.41 | Weston, CT |
| 140. | 0.40 | Greens Farms, CT |
| 141. | 0.40 | South Windham, CT / 1,603 |
| 142. | 0.40 | North Franklin, CT |
| 143. | 0.40 | Montville, CT |
| 144. | 0.39 | Derby, CT / 12,837 |
| 145. | 0.39 | Storrs, CT / 15,374 |
| 146. | 0.39 | South Lyme, CT |
| 147. | 0.39 | Pequabuck, CT |
| 148. | 0.39 | Yantic, CT |
| 149. | 0.39 | Storrs Mansfield, CT |
| 150. | 0.39 | Uncasville, CT |
| 151. | 0.38 | Terryville, CT / 5,121 |
| 152. | 0.38 | Seymour, CT |
| 153. | 0.38 | Broad Brook, CT / 4,526 |
| 154. | 0.38 | Oxoboxo River, CT / 3,230 |
| 155. | 0.37 | Crystal Lake, CT / 2,378 |
| 156. | 0.37 | Windsor, CT |
| 157. | 0.37 | Southport, CT / 1,711 |
| 158. | 0.36 | Redding, CT |
| 159. | 0.36 | Redding Center, CT |
| 160. | 0.36 | Canton Center, CT |
| 161. | 0.36 | Danbury, CT / 82,781 |
| 162. | 0.36 | Quaker Hill, CT |
| 163. | 0.36 | Milford, CT / 51,509 |
| 164. | 0.35 | Bloomfield, CT |
| 165. | 0.35 | Weatogue, CT / 3,012 |
| 166. | 0.35 | Norwich, CT / 40,378 |
| 167. | 0.35 | Mansfield Center, CT / 1,055 |
| 168. | 0.35 | Plymouth, CT |
| 169. | 0.35 | New Fairfield, CT |
| 170. | 0.35 | Windham, CT |
| 171. | 0.35 | Shelton, CT / 40,472 |
| 172. | 0.35 | Niantic, CT / 3,032 |
| 173. | 0.35 | Oxford, CT |
| 174. | 0.35 | Redding Ridge, CT |
| 175. | 0.34 | East Windsor, CT |
| 176. | 0.34 | Fairfield, CT |
| 177. | 0.34 | Easton, CT |
| 178. | 0.34 | North Windham, CT |
| 179. | 0.34 | Bethel, CT / 9,471 |
| 180. | 0.34 | Middlebury, CT |
| 181. | 0.34 | Willington, CT |
| 182. | 0.34 | Oakville, CT / 9,118 |
| 183. | 0.34 | Baltic, CT / 1,142 |
| 184. | 0.33 | Northfield, CT |
| 185. | 0.33 | Stevenson, CT |
| 186. | 0.33 | Trumbull, CT / 36,444 |
| 187. | 0.33 | Thomaston, CT / 1,727 |
| 188. | 0.33 | Stratford, CT / 52,092 |
| 189. | 0.33 | Gales Ferry, CT / 885 |
| 190. | 0.33 | Monroe, CT |
| 191. | 0.33 | Bridgeport, CT / 146,680 |
| 192. | 0.33 | Sherman, CT |
| 193. | 0.33 | Scotland, CT |
| 194. | 0.33 | Waterford, CT / 2,994 |
| 195. | 0.32 | Torrington, CT / 35,774 |
| 196. | 0.32 | Simsbury, CT |
| 197. | 0.32 | Botsford, CT |
| 198. | 0.32 | Taftville, CT |
| 199. | 0.32 | West Simsbury, CT / 2,446 |
| 200. | 0.32 | Hanover, CT |
| 201. | 0.32 | Sandy Hook, CT |
| 202. | 0.32 | Hawleyville, CT |
| 203. | 0.32 | Watertown, CT / 3,549 |
| 204. | 0.32 | Newtown, CT / 2,027 |
| 205. | 0.31 | Simsbury Center, CT / 5,843 |
| 206. | 0.31 | Chaplin, CT |
| 207. | 0.31 | Brookfield, CT |
| 208. | 0.31 | Versailles, CT |
| 209. | 0.31 | Southbury, CT |
| 210. | 0.31 | Poquonock, CT |
| 211. | 0.31 | Heritage Village, CT / 4,126 |
| 212. | 0.31 | South Britain, CT |
| 213. | 0.30 | Stafford Springs, CT / 4,734 |
| 214. | 0.30 | Woodbury Center, CT / 1,421 |
| 215. | 0.30 | Conning Towers Nautilus Park, CT / 10,130 |
| 216. | 0.30 | Somersville, CT |
| 217. | 0.30 | Bridgewater, CT |
| 218. | 0.30 | Southwood Acres, CT / 8,060 |
| 219. | 0.30 | Woodbury, CT |
| 220. | 0.30 | Windsor Locks, CT / 12,554 |
| 221. | 0.29 | Oneco, CT |
| 222. | 0.29 | Somers, CT / 1,733 |
| 223. | 0.29 | Tariffville, CT / 1,371 |
| 224. | 0.29 | Hampton, CT |
| 225. | 0.29 | Jewett City, CT / 3,488 |
| 226. | 0.29 | New London, CT / 27,536 |
| 227. | 0.29 | Stafford, CT |
| 228. | 0.29 | Ashford, CT |
| 229. | 0.29 | Preston, CT |
| 230. | 0.29 | Sterling, CT |
| 231. | 0.29 | New Milford, CT / 6,568 |
| 232. | 0.29 | Canterbury, CT |
| 233. | 0.29 | Roxbury, CT |
| 234. | 0.28 | Gaylordsville, CT |
| 235. | 0.28 | Hazardville, CT / 4,863 |
| 236. | 0.28 | Staffordville, CT |
| 237. | 0.28 | Ledyard, CT |
| 238. | 0.28 | Enfield, CT |
| 239. | 0.28 | Voluntown, CT |
| 240. | 0.28 | East Killingly, CT |
| 241. | 0.28 | Long Hill, CT / 4,148 |
| 242. | 0.28 | Plainfield, CT |
| 243. | 0.28 | Plainfield Village, CT / 2,117 |
| 244. | 0.28 | Moosup, CT / 3,032 |
| 245. | 0.28 | Barkhamsted, CT |
| 246. | 0.28 | Groton, CT / 9,348 |
| 247. | 0.28 | Bethlehem Village, CT / 1,783 |
| 248. | 0.28 | Bethlehem, CT |
| 249. | 0.28 | Mashantucket, CT / 299 |
| 250. | 0.28 | Central Village, CT |
| 251. | 0.27 | Litchfield, CT / 1,430 |
| 252. | 0.27 | Eastford, CT |
| 253. | 0.27 | Danielson, CT / 4,023 |
| 254. | 0.27 | East Brooklyn, CT / 1,784 |
| 255. | 0.27 | Brooklyn, CT / 889 |
| 256. | 0.27 | Wauregan, CT / 1,210 |
| 257. | 0.27 | East Granby, CT |
| 258. | 0.27 | Morris, CT |
| 259. | 0.27 | Thompsonville, CT / 9,021 |
| 260. | 0.27 | Dayville, CT |
| 261. | 0.27 | Abington, CT |
| 262. | 0.27 | Pomfret Center, CT |
| 263. | 0.27 | Ballouville, CT |
| 264. | 0.27 | Rogers, CT |
| 265. | 0.26 | Old Mystic, CT / 3,559 |
| 266. | 0.26 | Washington, CT |
| 267. | 0.26 | Poquonock Bridge, CT / 1,649 |
| 268. | 0.26 | Lakeside, CT |
| 269. | 0.26 | Washington Depot, CT |
| 270. | 0.26 | Suffield Depot, CT / 1,372 |
| 271. | 0.26 | Sherwood Manor, CT / 5,449 |
| 272. | 0.26 | North Stonington, CT |
| 273. | 0.26 | Woodstock Valley, CT |
| 274. | 0.26 | Pomfret, CT |
| 275. | 0.26 | Noank, CT / 2,100 |
| 276. | 0.26 | Suffield, CT |
| 277. | 0.26 | Putnam, CT / 7,249 |
| 278. | 0.25 | Groton Long Point, CT / 445 |
| 279. | 0.25 | South Woodstock, CT / 1,150 |
| 280. | 0.25 | Bantam, CT / 751 |
| 281. | 0.25 | Winsted, CT / 7,876 |
| 282. | 0.25 | Woodstock, CT |
| 283. | 0.25 | Salmon Brook, CT / 2,766 |
| 284. | 0.25 | Thompson, CT |
| 285. | 0.25 | Grosvenor Dale, CT |
| 286. | 0.25 | South Kent, CT |
| 287. | 0.25 | West Mystic, CT |
| 288. | 0.25 | East Woodstock, CT |
| 289. | 0.25 | Granby, CT |
| 290. | 0.25 | New Preston, CT / 932 |
| 291. | 0.25 | North Grosvenordale, CT |
| 292. | 0.25 | New Preston Marble Dale, CT |
| 293. | 0.25 | North Grosvenor Dale, CT / 1,614 |
| 294. | 0.25 | Mystic, CT / 3,905 |
| 295. | 0.25 | Quinebaug, CT / 974 |
| 296. | 0.25 | Fabyan, CT |
| 297. | 0.25 | West Granby, CT |
| 298. | 0.24 | West Suffield, CT |
| 299. | 0.24 | Winchester Center, CT |
| 300. | 0.24 | North Canton, CT |
| 301. | 0.24 | Pawcatuck, CT / 5,428 |
| 302. | 0.23 | Stonington, CT / 1,066 |
| 303. | 0.23 | Kent, CT |
| 304. | 0.23 | Riverton, CT |
| 305. | 0.22 | Goshen, CT |
| 306. | 0.22 | Cornwall Bridge, CT |
| 307. | 0.22 | East Hartland, CT |
| 308. | 0.21 | North Granby, CT / 1,786 |
| 309. | 0.21 | West Hartland, CT |
| 310. | 0.21 | Cornwall, CT |
| 311. | 0.20 | West Cornwall, CT |
| 312. | 0.19 | Colebrook, CT |
| 313. | 0.19 | Sharon, CT / 662 |
| 314. | 0.19 | Norfolk, CT / 666 |
| 315. | 0.17 | Falls Village, CT / 481 |
| 316. | 0.17 | East Canaan, CT |
| 317. | 0.17 | Lakeville, CT / 761 |
| 318. | 0.16 | Taconic, CT |
| 319. | 0.16 | Canaan, CT / 1,178 |
| 320. | 0.16 | Salisbury, CT |
Please note that we only rank locations with 'Earthquake Index' data. The rank above might not be a complete list. Locations without 'Earthquake Index' data are not listed.
