| Tango, Japan earthquake, March 7, 1927 | 2 |
| Tangshan, China earthquake, July 28, 1976 | 45 |
| Tecomán, Mexico earthquake, Jan. 21, 2003 | 5 |
| Thessalonika, Greece earthquake, July 5, 1902 | 1 |
| Thessaloniki, Greece earthquake, June 20, 1978 | 3 |
| Tienen, Belgium earthquake, Sep 18, 1692 | 1 |
| Timiskaming, Canada earthquake, Nov. 1, 1935 | 2 |
| Tohoku, Japan earthquake, March 11, 2011 | 181 |
| Tokachi-oki, Japan earthquake, March 4, 1952 | 4 |
| Tokachi-oki, Japan earthquake, May 16, 1968 | 26 |
| Tokachi-oki, Japan earthquake, Sept. 26, 2003 | 3 |
| Tokyo, Japan earthquake, Jan. 15, 1887 | 1 |
| Tokyo, Japan earthquake, June 20, 1894 | 1 |
| Tokyo, Japan earthquake, Sept. 1, 1923 | 190 |
| Tolima province, Colombia earthquake, Oct. 26, 1935 | 1 |
| Torre del Greco (Campania) Italy earthquake, Dec. 9, 1861 | 2 |
| Tottori, Japan earthquake, Sept. 10, 1943 | 1 |
| Trautenau, Bohemia earthquake, Jan. 31, 1883 | 1 |
| Tuxtla (Mexico) eruption, Jan, 1793 | 1 |