Seismic history
Major earthquakes, volcanic eruptions and geological events in Tonga, 1900–2026, with sources and detailed information.
Total earthquakes
200
M5+
Strongest
M8.0
M7+ events
20
Tsunami events
10
| Date | Magnitude | Location | Depth | Source |
|---|---|---|---|---|
| 1903-01-04 | 8.0 | Tonga | 400 km | USGS Earthquake Hazards Program |
| 2006-05-03 | 8.0 | 2006 Tonga Earthquake | 55 km | USGS Earthquake Hazards Program |
| 1950-12-14 | 7.8 | 159 km W of Pangai, Tonga | 216 km | USGS Earthquake Hazards Program |
| 1997-10-14 | 7.8 |
| 192 km WSW of Haveluloto, Tonga |
| 167 km |
| USGS Earthquake Hazards Program |
| 1913-06-26 | 7.8 | 111 km SSE of Pangai, Tonga | 25 km | USGS Earthquake Hazards Program |
| 2023-05-10 | 7.6 | 82 km WNW of Hihifo, Tonga🌊 | 210 km | USGS Earthquake Hazards Program |
| 2026-03-24 | 7.5 | 158 km W of Neiafu, Tonga | 234 km | USGS Earthquake Hazards Program |
| 1948-09-08 | 7.5 | 110 km E of ‘Ohonua, Tonga | 15 km | USGS Earthquake Hazards Program |
| 1995-04-07 | 7.4 | 88 km NNE of Hihifo, Tonga | 21 km | USGS Earthquake Hazards Program |
| 1921-02-27 | 7.4 | 103 km ESE of Neiafu, Tonga | 15 km | USGS Earthquake Hazards Program |
| 1907-01-02 | 7.3 | 85 km ESE of Neiafu, Tonga | 30 km | USGS Earthquake Hazards Program |
| 1906-12-19 | 7.2 | 108 km SE of Neiafu, Tonga | 35 km | USGS Earthquake Hazards Program |
| 2000-01-08 | 7.2 | 117 km SSW of Hihifo, Tonga | 183 km | USGS Earthquake Hazards Program |
| 1986-10-30 | 7.2 | 157 km WSW of Haveluloto, Tonga | 188 km | USGS Earthquake Hazards Program |
| 1984-10-15 | 7.2 | 19 km ENE of Hihifo, Tonga | 128 km | USGS Earthquake Hazards Program |
| 1903-04-29 | 7.1 | Tonga | - | USGS Earthquake Hazards Program |
| 1957-04-14 | 7.1 | 112 km NNE of Hihifo, Tonga | 20 km | USGS Earthquake Hazards Program |
| 1972-05-22 | 7.0 | 146 km NW of Neiafu, Tonga | 224 km | USGS Earthquake Hazards Program |
| 2025-03-30 | 7.0 | 61 km SSE of Pangai, Tonga🌊 | 29 km | USGS Earthquake Hazards Program |
| 1991-06-09 | 7.0 | 144 km NW of Nuku‘alofa, Tonga | 266 km | USGS Earthquake Hazards Program |
| 1946-11-12 | 7.0 | 122 km ESE of Pangai, Tonga | 15 km | USGS Earthquake Hazards Program |
| 2024-08-25 | 6.9 | 75 km W of Pangai, Tonga🌊 | 96 km | USGS Earthquake Hazards Program |
| 2023-07-02 | 6.9 | 132 km NW of Neiafu, Tonga🌊 | 229 km | USGS Earthquake Hazards Program |
| 1913-05-08 | 6.9 | 127 km S of Hihifo, Tonga | 170 km | USGS Earthquake Hazards Program |
| 1905-02-27 | 6.9 | 15 km WSW of Pangai, Tonga | 35 km | USGS Earthquake Hazards Program |
| 1990-06-23 | 6.9 | 139 km WSW of Haveluloto, Tonga | 181 km | USGS Earthquake Hazards Program |
| 2001-04-28 | 6.9 | Fiji region | 352 km | USGS Earthquake Hazards Program |
| 1989-03-11 | 6.9 | 127 km NW of Neiafu, Tonga | 230 km | USGS Earthquake Hazards Program |
| 2008-10-19 | 6.9 | 130 km ESE of ‘Ohonua, Tonga | 29 km | USGS Earthquake Hazards Program |
| 1949-08-06 | 6.9 | 65 km SW of Neiafu, Tonga | 65 km | USGS Earthquake Hazards Program |
| 1923-06-18 | 6.9 | 171 km WNW of Neiafu, Tonga | 15 km | USGS Earthquake Hazards Program |
| 1914-12-20 | 6.8 | 100 km SE of Hihifo, Tonga | 35 km | USGS Earthquake Hazards Program |
| 1977-06-22 | 6.8 | Tonga region | 65 km | USGS Earthquake Hazards Program |
| 1998-12-27 | 6.8 | 131 km WSW of Haveluloto, Tonga | 144 km | USGS Earthquake Hazards Program |
| 1999-04-13 | 6.8 | 132 km WSW of Haveluloto, Tonga | 164 km | USGS Earthquake Hazards Program |
| 2017-11-04 | 6.8 | 97 km NE of Hihifo, Tonga🌊 | 10 km | USGS Earthquake Hazards Program |
| 2009-11-24 | 6.8 | 104 km SSE of Pangai, Tonga | 18 km | USGS Earthquake Hazards Program |
| 1996-08-05 | 6.7 | 104 km NE of Hihifo, Tonga | 41 km | USGS Earthquake Hazards Program |
| 2004-01-25 | 6.7 | 105 km SSW of Hihifo, Tonga | 130 km | USGS Earthquake Hazards Program |
| 1985-06-03 | 6.7 | Tonga | 33 km | USGS Earthquake Hazards Program |
| 1983-03-21 | 6.7 | 41 km SW of Vaini, Tonga | 68 km | USGS Earthquake Hazards Program |
| 1919-05-02 | 6.6 | 151 km S of Hihifo, Tonga | 25 km | USGS Earthquake Hazards Program |
| 1922-01-22 | 6.6 | 110 km NW of Pangai, Tonga | 15 km | USGS Earthquake Hazards Program |
| 2024-10-01 | 6.6 | 125 km SE of Neiafu, Tonga🌊 | 10 km | USGS Earthquake Hazards Program |
| 2012-04-28 | 6.6 | 76 km W of Neiafu, Tonga | 135 km | USGS Earthquake Hazards Program |
| 1993-05-16 | 6.6 | 89 km NE of Hihifo, Tonga | 21 km | USGS Earthquake Hazards Program |
| 2003-07-27 | 6.6 | 142 km W of Haveluloto, Tonga | 213 km | USGS Earthquake Hazards Program |
| 1987-03-19 | 6.6 | 127 km NW of Nuku‘alofa, Tonga | 214 km | USGS Earthquake Hazards Program |
| 1984-06-15 | 6.6 | 111 km W of Hihifo, Tonga | 247 km | USGS Earthquake Hazards Program |
| 2019-11-04 | 6.6 | 136 km W of Neiafu, Tonga🌊 | 10 km | USGS Earthquake Hazards Program |
| 1933-07-24 | 6.6 | 79 km E of Hihifo, Tonga | 25 km | USGS Earthquake Hazards Program |
| 1942-11-02 | 6.5 | 97 km WSW of Pangai, Tonga | 35 km | USGS Earthquake Hazards Program |
| 1916-10-11 | 6.5 | 166 km WNW of Hihifo, Tonga | 15 km | USGS Earthquake Hazards Program |
| 1917-06-24 | 6.5 | 77 km SSW of Pangai, Tonga | 35 km | USGS Earthquake Hazards Program |
| 1968-03-11 | 6.5 | 30 km SSW of Hihifo, Tonga | 109 km | USGS Earthquake Hazards Program |
| 2021-04-24 | 6.5 | 225 km WNW of Pangai, Tonga | 301 km | USGS Earthquake Hazards Program |
| 1965-03-22 | 6.5 | 89 km NE of Hihifo, Tonga | 32 km | USGS Earthquake Hazards Program |
| 1967-12-27 | 6.5 | 142 km SSE of ‘Ohonua, Tonga | 10 km | USGS Earthquake Hazards Program |
| 1943-10-24 | 6.5 | 176 km SE of ‘Ohonua, Tonga | 15 km | USGS Earthquake Hazards Program |
| 1980-06-18 | 6.5 | 79 km NNE of Hihifo, Tonga | 43 km | USGS Earthquake Hazards Program |
| 1975-09-24 | 6.5 | 88 km SSE of Pangai, Tonga | 33 km | USGS Earthquake Hazards Program |
| 1997-08-29 | 6.5 | 206 km WNW of Hihifo, Tonga | 33 km | USGS Earthquake Hazards Program |
| 2001-07-04 | 6.5 | 167 km WSW of Haveluloto, Tonga | 185 km | USGS Earthquake Hazards Program |
| 1986-06-28 | 6.5 | 151 km NW of Nuku‘alofa, Tonga | 211 km | USGS Earthquake Hazards Program |
| 2015-03-30 | 6.5 | 96 km ENE of Hihifo, Tonga🌊 | 11 km | USGS Earthquake Hazards Program |
| 2013-11-23 | 6.5 | Fiji region | 371 km | USGS Earthquake Hazards Program |
| 1906-12-18 | 6.5 | Tonga | 15 km | USGS Earthquake Hazards Program |
| 1949-03-30 | 6.5 | Fiji region | 15 km | USGS Earthquake Hazards Program |
| 1956-03-03 | 6.5 | 92 km N of Hihifo, Tonga | 35 km | USGS Earthquake Hazards Program |
| 1952-02-25 | 6.5 | 124 km SSE of Hihifo, Tonga | 42 km | USGS Earthquake Hazards Program |
| 1930-02-14 | 6.5 | Tonga | 35 km | USGS Earthquake Hazards Program |
| 1959-08-12 | 6.4 | 297 km SSE of Alo, Wallis and Futuna | 25 km | USGS Earthquake Hazards Program |
| 1934-01-31 | 6.4 | 72 km NE of Hihifo, Tonga | 25 km | USGS Earthquake Hazards Program |
| 2025-05-14 | 6.4 | 142 km W of Neiafu, Tonga | 260 km | USGS Earthquake Hazards Program |
| 1978-07-02 | 6.4 | 194 km WNW of Hihifo, Tonga | 25 km | USGS Earthquake Hazards Program |
| 2011-09-22 | 6.4 | 172 km WNW of Hihifo, Tonga | 10 km | USGS Earthquake Hazards Program |
| 1999-12-07 | 6.4 | 20 km WNW of Hihifo, Tonga | 138 km | USGS Earthquake Hazards Program |
| 1995-10-06 | 6.4 | 146 km NNW of Nuku‘alofa, Tonga | 198 km | USGS Earthquake Hazards Program |
| 1990-12-11 | 6.4 | 90 km NE of Hihifo, Tonga | 13 km | USGS Earthquake Hazards Program |
| 2000-09-26 | 6.4 | 136 km S of Hihifo, Tonga | 56 km | USGS Earthquake Hazards Program |
| 1988-07-19 | 6.4 | 76 km WNW of Pangai, Tonga | 137 km | USGS Earthquake Hazards Program |
| 2020-10-01 | 6.4 | 39 km NE of Pangai, Tonga🌊 | 28 km | USGS Earthquake Hazards Program |
| 2018-12-23 | 6.4 | 91 km SW of Pangai, Tonga🌊 | 113 km | USGS Earthquake Hazards Program |
| 2016-09-24 | 6.4 | 118 km WNW of Neiafu, Tonga | 202 km | USGS Earthquake Hazards Program |
| 2008-10-22 | 6.4 | 146 km W of Neiafu, Tonga | 233 km | USGS Earthquake Hazards Program |
| 1935-01-01 | 6.4 | 118 km WNW of Hihifo, Tonga | 15 km | USGS Earthquake Hazards Program |
| 1953-09-17 | 6.4 | 93 km SSE of Pangai, Tonga | 35 km | USGS Earthquake Hazards Program |
| 1932-05-22 | 6.3 | 114 km SSE of Pangai, Tonga | 35 km | USGS Earthquake Hazards Program |
| 1931-07-20 | 6.3 | 62 km NE of Hihifo, Tonga | 35 km | USGS Earthquake Hazards Program |
| 1946-04-23 | 6.3 | 97 km NNE of Hihifo, Tonga | 35 km | USGS Earthquake Hazards Program |
| 1948-12-16 | 6.3 | 182 km W of Pangai, Tonga | 15 km | USGS Earthquake Hazards Program |
| 1950-10-21 | 6.3 | 6 km E of Neiafu, Tonga | 45 km | USGS Earthquake Hazards Program |
| 1918-10-14 | 6.3 | 96 km SSE of Pangai, Tonga | 30 km | USGS Earthquake Hazards Program |
| 1966-11-05 | 6.3 | 159 km WNW of Hihifo, Tonga | 32 km | USGS Earthquake Hazards Program |
| 1970-07-17 | 6.3 | 82 km SSE of ‘Ohonua, Tonga | 21 km | USGS Earthquake Hazards Program |
| 1936-02-07 | 6.3 | 80 km ENE of Neiafu, Tonga | 25 km | USGS Earthquake Hazards Program |
| 2022-06-04 | 6.3 | 129 km NW of Neiafu, Tonga | 237 km | USGS Earthquake Hazards Program |
| 1963-10-31 | 6.3 | 80 km SSE of ‘Ohonua, Tonga | 17 km | USGS Earthquake Hazards Program |
| 1977-08-11 | 6.3 | 127 km NNW of Neiafu, Tonga | 57 km | USGS Earthquake Hazards Program |
| 1998-11-15 | 6.3 | 142 km WSW of Haveluloto, Tonga | 149 km | USGS Earthquake Hazards Program |