Explore earthquake activity year by year and month by month using the historical Quake Pulse database.
| Magnitude | Location | Depth | Time | |
|---|---|---|---|---|
| M 5.5 | 109 km NNE of Hihifo, Tonga | 5.2 km | 2017-01-14 10:34:50 UTC | View event → |
| M 5.4 | 111 km NE of Hihifo, Tonga | 37.2 km | 2017-01-28 22:32:56 UTC | View event → |
| M 5.1 | 145 km SSW of Hihifo, Tonga | 109.9 km | 2017-01-20 17:36:08 UTC | View event → |
| M 5.0 | 96 km ENE of Hihifo, Tonga | 36.8 km | 2017-01-21 19:52:31 UTC | View event → |
| M 4.9 | 164 km ENE of Neiafu, Tonga | 10.0 km | 2017-01-27 20:43:46 UTC | View event → |
| M 4.9 | 137 km NW of Hihifo, Tonga | 231.8 km | 2017-01-09 03:14:25 UTC | View event → |
| M 4.8 | 28 km NE of Hihifo, Tonga | 82.1 km | 2017-01-18 05:59:12 UTC | View event → |
| M 4.8 | 121 km ESE of Pangai, Tonga | 10.0 km | 2017-01-14 22:00:08 UTC | View event → |
| M 4.7 | 101 km NNE of Hihifo, Tonga | 23.7 km | 2017-01-18 08:50:17 UTC | View event → |
| M 4.7 | 184 km NNW of Neiafu, Tonga | 228.5 km | 2017-01-16 15:02:04 UTC | View event → |
| M 4.7 | 139 km NW of Nuku‘alofa, Tonga | 178.4 km | 2017-01-13 23:27:18 UTC | View event → |
| M 4.7 | 151 km N of Neiafu, Tonga | 94.8 km | 2017-01-07 17:19:36 UTC | View event → |
| M 4.7 | 148 km WNW of Pangai, Tonga | 256.0 km | 2017-01-02 19:44:40 UTC | View event → |
| M 4.6 | 43 km N of Nuku‘alofa, Tonga | 78.8 km | 2017-01-21 20:46:55 UTC | View event → |
| M 4.6 | 266 km WNW of Haveluloto, Tonga | 553.7 km | 2017-01-20 20:02:32 UTC | View event → |
| M 4.6 | 271 km W of Haveluloto, Tonga | 479.0 km | 2017-01-12 08:38:24 UTC | View event → |
| M 4.6 | 89 km NNW of Hihifo, Tonga | 10.0 km | 2017-01-06 23:36:15 UTC | View event → |
| M 4.6 | 151 km WNW of Pangai, Tonga | 184.3 km | 2017-01-06 12:59:29 UTC | View event → |
| M 4.5 | 263 km WNW of Haveluloto, Tonga | 529.6 km | 2017-01-26 00:02:17 UTC | View event → |
| M 4.5 | 76 km NNW of Hihifo, Tonga | 10.0 km | 2017-01-06 23:25:54 UTC | View event → |
| M 4.5 | 104 km NNE of Hihifo, Tonga | 10.0 km | 2017-01-05 14:20:14 UTC | View event → |
| M 4.5 | 79 km E of Neiafu, Tonga | 10.0 km | 2017-01-04 16:38:59 UTC | View event → |
Historical small-earthquake detection varies through time. Long-term comparisons are most robust at higher magnitude thresholds.
Guides, explainers and practical reading to go beyond the live data.
Magnitude is only one part of the story. Depth, distance, local ground conditions and building vulnerability help explain why shaking can differ so much from one earthquake to another.
Read article →
Earthquake-resistant design is not about making buildings immovable. It is about controlling forces, deformation and failure so people have a much better chance of staying safe.
Read article →
Early-warning systems detect an earthquake after it starts and try to send an alert before the strongest shaking arrives. The difference between warning and prediction matters.
Read article →
