Earthquake · Tonga
M6.0 earthquake near Hihifo, Tonga
A magnitude 6.0 earthquake struck 7 km WSW of Hihifo, Tonga on 8 March 2026 at 09:28 UTC, at a depth of 134 km.
- Magnitude
- 6.0 mww
- When
- 8 March 2026, 09:28 UTC
- Depth
- 134 km
- Location
- 15.98° S, 173.85° W
- Strongest shaking (estimated)
- Intensity IV (light)
- Felt reports
- 8 people told USGS they felt it
- USGS PAGER alert
- Green
- Source
- USGS event page
What it means
A magnitude 6.0 is a strong earthquake; there are about 130 a year worldwide, and they can cause damage in populated areas near the epicentre. At 134 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
48 earthquakes of magnitude 4 or more within 150 km in the 30 days after; the largest was a magnitude 6.3.
| Mag | Where | When (UTC) |
|---|---|---|
| 6.3 | 140 km ENE of Hihifo, Tonga | 22 March 2026, 15:30 |
| 6.2 | 121 km NE of Hihifo, Tonga | 22 March 2026, 06:15 |
| 5.9 | 110 km ENE of Hihifo, Tonga | 22 March 2026, 22:26 |
| 5.7 | 106 km ENE of Hihifo, Tonga | 23 March 2026, 06:02 |
| 5.6 | 86 km WNW of Hihifo, Tonga | 25 March 2026, 10:11 |
| 5.6 | 135 km NE of Hihifo, Tonga | 22 March 2026, 16:00 |
| 5.2 | 115 km E of Hihifo, Tonga | 27 March 2026, 23:35 |
| 5.2 | 64 km SSE of Hihifo, Tonga | 29 March 2026, 23:45 |
| 5.0 | 92 km ESE of Hihifo, Tonga | 11 March 2026, 15:10 |
| 5.0 | 99 km WNW of Hihifo, Tonga | 25 March 2026, 10:12 |
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