Earthquake · Tonga
M7.5 earthquake near Neiafu, Tonga
A magnitude 7.5 earthquake struck 158 km W of Neiafu, Tonga on 24 March 2026 at 04:37 UTC, at a depth of 234 km.
- Magnitude
- 7.5 mww
- When
- 24 March 2026, 04:37 UTC
- Depth
- 234 km
- Location
- 18.54° S, 175.48° W
- Strongest shaking (estimated)
- Intensity V (moderate)
- Felt reports
- 19 people told USGS they felt it
- USGS PAGER alert
- Green
- Source
- USGS event page
What it means
A magnitude 7.5 is a major earthquake; there are about 15 a year worldwide, and they can cause serious damage over a wide area. At 234 km deep it was an intermediate-depth earthquake: felt over a wide area, but less strongly than a shallow one of the same size.
The magnitude may be revised as more data comes in. Read Earthquake magnitude explained for what the numbers mean.
Aftershocks
25 earthquakes of magnitude 4 or more within 150 km in the 30 days after; the largest was a magnitude 5.4.
| Mag | Where | When (UTC) |
|---|---|---|
| 5.4 | 147 km W of Neiafu, Tonga | 13 April 2026, 02:14 |
| 5.1 | 152 km W of Neiafu, Tonga | 24 March 2026, 05:22 |
| 5.0 | 138 km WNW of Neiafu, Tonga | 24 March 2026, 05:18 |
| 5.0 | 135 km WNW of Neiafu, Tonga | 24 March 2026, 04:51 |
| 5.0 | 158 km W of Neiafu, Tonga | 25 March 2026, 02:24 |
| 4.7 | 173 km W of Neiafu, Tonga | 14 April 2026, 16:37 |
| 4.6 | 147 km WNW of Neiafu, Tonga | 24 March 2026, 05:51 |
| 4.6 | 163 km W of Neiafu, Tonga | 24 March 2026, 06:45 |
| 4.6 | 179 km W of Neiafu, Tonga | 24 March 2026, 21:57 |
| 4.6 | 166 km W of Neiafu, Tonga | 25 March 2026, 07:35 |
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