| Date | Magnitude | Localisation |
| 1999-12-24 | M=5,0 Mw | ressenti | 35 km SO de Ucluelet, BC |
| 1999-12-11 | M=4,9 Mw | ressenti | 12 km NE de Victoria, BC |
| 1999-12-06 | M=5,7 ML | | 99 km SO de Mould Bay, NT |
| 1999-11-26 | M=3,8 MN | ressenti | 23 km SE de Scarborough, ON |
| 1999-11-02 | M=4,5 ML | | 212 km SO de Grand Bank, NL |
| 1999-10-31 | M=4,2 MN | ressenti | 21 km SO de Sainte-Agathe, QC |
| 1999-09-11 | M=5,0 ML | ressenti | 61 km SE de Haines Junction, YT |
| 1999-07-29 | M=5,3 ML | | 371 km SE de Resolution Island, NU |
| 1999-07-25 | M=4,7 mbLg | | 126 km SO de Wrigley, NT |
| 1999-07-02 | M=4,9 ML | ressenti | 82 km SO de Tacoma, WA |
| 1999-07-02 | M=5,7 Ms | | 191 km SO de Port Alice, BC |
| 1999-06-28 | M=4,9 Mw | | 217 km SO de Port Alice, BC |
| 1999-06-18 | M=3,5 MN | ressenti | 18 km NO de L'Annonciation, QC |
| 1999-05-27 | M=5,7 Mw | ressenti | 125 km SO de Skagway, AK |
| 1999-05-14 | M=3,0 MN | ressenti | 29 km NE de Temiscaming, QC |
| 1999-05-11 | M=5,0 ML | | 115 km SE de Ross River, YT |
| 1999-05-08 | M=3,8 ML | ressenti | 16 km NO de Tofino, BC |
| 1999-04-17 | M=4,1 MLSn | | 196 km SO de Port Hardy, BC |
| 1999-04-06 | M=3,6 MN | | 88 km SO de Kimmirut, NU |
| 1999-04-03 | M=3,1 MN | | 147 km NE de Fort Ross, NU |
| 1999-04-03 | M=3,3 ML | ressenti | 11 km SE de Victoria, BC |
| 1999-04-01 | M=4,0 ML | | 119 km SO de Skagway, AK |
| 1999-03-25 | M=3,0 MN | ressenti | 44 km NO de Hawkesbury, ON |
| 1999-03-16 | M=3,5 MN | | 56 km NE de Sainte-Anne-des-Monts, QC |
| 1999-03-16 | M=5,1 MN | ressenti | 54 km NE de Sainte-Anne-des-Monts, QC |
| 1999-03-06 | M=3,8 ML | | 43 km NE de Queen Charlotte City, BC |
| 1999-03-02 | M=4,0 MN | | 190 km NE de Polaris, NU |
| 1999-02-21 | M=4,2 ML | | 197 km NE de Clyde River, NU |
| 1999-02-01 | M=3,4 MN | ressenti | 21 km NE de Cochrane, ON |
| 1999-01-21 | M=3,5 MN | ressenti | 42 km SO de Sainte-Anne-des-Monts, QC |
| 1999-01-21 | M=3,0 ML | ressenti | 20 km SO de Gibsons, BC |
| 1999-01-19 | M=3,0 MN | ressenti | 18 km SO de Rigaud, QC |
| 1999-01-04 | M=4,2 ML | ressenti | 81 km SO de Skagway, AK |
| 1999-01-01 | M=5,3 mb | | 183 km NO de Isachsen, NU |