Seismic Activity in Tonga
Over the past 30 days, there have been 25 recorded earthquakes in this region. The largest recent earthquake was a magnitude 5.9 event near Fiji region.

Over the past 30 days, Tonga has recorded 25 earthquakes of magnitude 2.5 or greater in our tracker. 5 reached magnitude 5.0 or higher. 20 landed between M4.0 and M4.9. By depth: 8 shallow (<70 km), 8 intermediate (70–300 km), 9 deep-focus (>300 km). 9 of the epicenters were offshore. 2 events produced at least one felt report, totalling 2 citizen submissions to the USGS Did You Feel It? system. Focal depths ranged from 10.0 km to 595.3 km. All 25 solutions have been reviewed by a USGS seismologist.
Each row in the table below includes a narrative summary of the event, ordered by time. Use the column headers to sort or filter by magnitude.
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
4 days ago 2026-10-23 06:07:19 UTC | 4.3mb | 289 km W of Houma, Tonga -20.888°, -178.069° | 463.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 seismic event took place 289 km W of Houma, Tonga on October 23, 2026 at 06:07 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
4 days ago 2026-10-22 16:51:21 UTC | 4.8mb | 144 km SSW of ‘Ohonua, Tonga -22.564°, -175.444° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.8 event was detected 144 km SSW of ‘Ohonua, Tonga on October 22, 2026, with origin time 16:51 UTC. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
5 days ago 2026-10-21 14:24:43 UTC | 4.1mb | Fiji region -19.414°, -177.618° | 572.3 km | - | - | - | ✓ Reviewed | USGS → |
On October 21, 2026, Tonga registered a magnitude 4.1 earthquake in the Fiji region at 14:24 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
6 days ago 2026-10-20 16:29:43 UTC | 4.8mb | south of the Fiji Islands -24.180°, -177.010° | 109.5 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.8 earthquake south of the Fiji Islands came in on October 20, 2026 at 16:29 UTC. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-10-18 2026-10-18 22:34:22 UTC | 4.5mb | Fiji region -20.927°, -178.659° | 551.9 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.5 earthquake in the Fiji region at 22:34 UTC on October 18, 2026. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-10-18 2026-10-18 19:32:28 UTC | 5.2mb | 71 km ESE of ‘Ohonua, Tonga -21.541°, -174.296° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On October 18, 2026, Tonga registered a magnitude 5.2 earthquake 71 km ESE of ‘Ohonua, Tonga at 19:32 UTC. See the M5.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-10-18 2026-10-18 15:39:40 UTC | 4.3mb | 213 km WSW of Houma, Tonga -21.684°, -177.289° | 271.2 km | - | - | - | ✓ Reviewed | USGS → |
October 18, 2026 brought a magnitude 4.3 earthquake 213 km WSW of Houma, Tonga, logged at 15:39 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-10-16 2026-10-16 15:06:35 UTC | 4.5mb | 159 km W of Neiafu, Tonga -18.451°, -175.478° | 256.9 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.5 event was detected 159 km W of Neiafu, Tonga on October 16, 2026, with origin time 15:06 UTC. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-10-14 2026-10-14 10:49:47 UTC | 5.9mww | Fiji region -20.990°, -178.771° | 585.1 km | - | - | green | ✓ Reviewed | USGS → |
On October 14, 2026 at 10:49 UTC, a magnitude 5.9 earthquake struck in the Fiji region. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. It is the largest earthquake currently listed for Tonga over the past 30 days. See the M5.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-10-12 2026-10-12 04:38:12 UTC | 5.5mww | 122 km W of Neiafu, Tonga -18.723°, -175.145° | 195.2 km | 1 | II | green | ✓ Reviewed | USGS → |
A magnitude 5.5 earthquake was recorded 122 km W of Neiafu, Tonga on October 12, 2026 at 04:38 UTC. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. The event was offshore. See the M5.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-10-11 2026-10-11 18:06:35 UTC | 4.7mb | 156 km ESE of Neiafu, Tonga -19.384°, -172.716° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
October 11, 2026 brought a magnitude 4.7 earthquake 156 km ESE of Neiafu, Tonga, logged at 18:06 UTC. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-10-11 2026-10-11 10:05:41 UTC | 4.6mb | 260 km WNW of Houma, Tonga -20.386°, -177.664° | 512.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.6 earthquake was recorded 260 km WNW of Houma, Tonga on October 11, 2026 at 10:05 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-10-10 2026-10-10 12:21:02 UTC | 4.6mb | 267 km WNW of Houma, Tonga -19.940°, -177.508° | 557.4 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.6 earthquake 267 km WNW of Houma, Tonga with origin time 12:21 UTC on October 10, 2026. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-10-09 2026-10-09 18:54:18 UTC | 4.6mb | 104 km ENE of ‘Ohonua, Tonga -21.057°, -173.997° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On October 9, 2026, Tonga registered a magnitude 4.6 earthquake 104 km ENE of ‘Ohonua, Tonga at 18:54 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-10-07 2026-10-07 22:34:23 UTC | 4.6mb | 293 km SSW of Houma, Tonga -23.567°, -176.520° | 94.1 km | - | - | - | ✓ Reviewed | USGS → |
At 22:34 UTC on October 7, 2026, a magnitude 4.6 tremor occurred 293 km SSW of Houma, Tonga. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-10-05 2026-10-05 15:40:41 UTC | 4.1mb | 155 km W of Houma, Tonga -21.276°, -176.792° | 236.7 km | - | - | - | ✓ Reviewed | USGS → |
At 15:40 UTC on October 5, 2026, a magnitude 4.1 tremor occurred 155 km W of Houma, Tonga. The event was offshore. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-10-05 2026-10-05 05:26:44 UTC | 5.0mb | 71 km E of ‘Ohonua, Tonga -21.421°, -174.268° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 05:26 UTC on October 5, 2026, a magnitude 5.0 tremor occurred 71 km E of ‘Ohonua, Tonga. The event was offshore. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-10-02 2026-10-02 12:34:48 UTC | 4.2mb | Fiji region -20.871°, -178.596° | 570.7 km | - | - | - | ✓ Reviewed | USGS → |
On October 2, 2026 at 12:34 UTC, a magnitude 4.2 earthquake struck in the Fiji region. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-10-02 2026-10-02 12:23:27 UTC | 4.5mb | 121 km NW of Fangale’ounga, Tonga -19.038°, -175.205° | 114.2 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.5 earthquake 121 km NW of Fangale’ounga, Tonga came in on October 2, 2026 at 12:23 UTC. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-10-01 2026-10-01 18:54:53 UTC | 4.2mb | 260 km W of Houma, Tonga -21.350°, -177.805° | 431.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.2 earthquake was recorded 260 km W of Houma, Tonga on October 1, 2026 at 18:54 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-10-01 2026-10-01 08:45:44 UTC | 4.9mb | 145 km ESE of Neiafu, Tonga -19.141°, -172.704° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.9 earthquake 145 km ESE of Neiafu, Tonga at 08:45 UTC on October 1, 2026. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-10-01 2026-10-01 04:41:17 UTC | 4.2mb | 279 km SW of Houma, Tonga -22.833°, -177.343° | 257.5 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.2 earthquake 279 km SW of Houma, Tonga with origin time 04:41 UTC on October 1, 2026. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-29 2026-09-29 16:12:55 UTC | 4.8mb | 40 km NNE of Fangale’ounga, Tonga -19.401°, -174.205° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.8 seismic event took place 40 km NNE of Fangale’ounga, Tonga on September 29, 2026 at 16:12 UTC. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-29 2026-09-29 12:40:36 UTC | 5.4mb | 76 km S of Pangai, Tonga -20.490°, -174.214° | 10.0 km | 1 | III | green | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 5.4 earthquake 76 km S of Pangai, Tonga with origin time 12:40 UTC on September 29, 2026. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. The event was offshore. See the M5.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-28 2026-09-28 12:14:25 UTC | 4.7mb | Fiji region -20.616°, -178.472° | 595.3 km | - | - | - | ✓ Reviewed | USGS → |
On September 28, 2026 at 12:14 UTC, a magnitude 4.7 earthquake struck in the Fiji region. This is the deepest earthquake in the current dataset — a deep-focus event. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
Fiji region
2026-10-14
158 km W of Neiafu, Tonga
2026-03-24
Data from USGS Earthquake Hazards Program. Updated every 5 minutes.
Tonga sits above one of the fastest subduction zones on Earth where the Pacific Plate dives beneath the Australian Plate at nearly 24 cm per year.
In 2026, Tonga has recorded 417 earthquakes of magnitude 2.5 or greater so far. The largest earthquake in Tonga in 2026 was a magnitude 7.5 event near Neiafu, Tonga.
Over the past 30 days, there have been 25 recorded earthquakes in this region. The largest recent earthquake was a magnitude 5.9 event near Fiji region.
In the past 30 days, 25 earthquakes have been recorded in the Tonga region.
The largest recent earthquake in the Tonga area was a magnitude 5.9 event that occurred Fiji region.
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