Seismic Activity in Tonga
Over the past 30 days, there have been 44 recorded earthquakes in this region. The largest recent earthquake was a magnitude 5.5 event near Fiji region.
Earthquakes in Tonga
0 earthquakes in the last 24 hours• Latest significant: M5.5
Earthquake Map
Recent Earthquakes (Last 30 Days)
Dataset at a glance — Tonga
Over the past 30 days, Tonga has recorded 44 earthquakes of magnitude 2.5 or greater in our tracker. 9 reached magnitude 5.0 or higher. 35 landed between M4.0 and M4.9. By depth: 16 shallow (<70 km), 6 intermediate (70–300 km), 22 deep-focus (>300 km). 9 of the epicenters were offshore. Cluster detection flagged 1 aftershock sequence; the largest contained 4 smaller events within 20 km and 72 hours of its mainshock. Focal depths ranged from 10.0 km to 625.6 km. All 44 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.
Showing 30 of 44
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
1 day ago 2026-07-27 08:47:18 UTC | 5.2mb | south of Tonga -24.735°, -175.355° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 5.2 earthquake south of Tonga with origin time 08:47 UTC on July 27, 2026. See the M5.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
1 day ago 2026-07-27 08:44:08 UTC | 5.2mb | south of Tonga -24.696°, -175.244° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On July 27, 2026, Tonga registered a magnitude 5.2 earthquake south of Tonga at 08:44 UTC. See the M5.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
1 day ago 2026-07-27 05:55:11 UTC | 4.8mb | south of Tonga -24.546°, -175.105° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.8 earthquake south of Tonga came in on July 27, 2026 at 05:55 UTC. Coming 2 hours after a magnitude 5.2 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
1 day ago 2026-07-27 03:36:43 UTC | 5.2mww | south of Tonga -24.500°, -175.171° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 03:36 UTC on July 27, 2026, a magnitude 5.2 tremor occurred south of Tonga. See the M5.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
1 day ago 2026-07-27 03:12:04 UTC | 5.0mb | south of Tonga -24.438°, -175.090° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 5.0 event was detected south of Tonga on July 27, 2026, with origin time 03:12 UTC. It arrived roughly 1 hours after a larger magnitude 5.1 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
1 day ago 2026-07-27 02:42:09 UTC | 4.9mww | south of Tonga -24.406°, -175.167° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
July 27, 2026 brought a magnitude 4.9 earthquake south of Tonga, logged at 02:42 UTC. It arrived roughly 1 hours after a larger magnitude 5.1 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
1 day ago 2026-07-27 02:32:52 UTC | 4.9mww | south of Tonga -24.579°, -175.124° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On July 27, 2026 at 02:32 UTC, a magnitude 4.9 earthquake struck south of Tonga. This event falls inside the aftershock decay of a nearby magnitude 5.1 earthquake that occurred about 1 hours earlier. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
1 day ago 2026-07-27 01:54:14 UTC | 5.1mb | south of Tonga -24.544°, -175.147° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 5.1 earthquake south of Tonga at 01:54 UTC on July 27, 2026. In the 72 hours after this event, the USGS recorded 4 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M5.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
1 day ago 2026-07-27 01:38:43 UTC | 4.9mb | south of Tonga -24.503°, -175.166° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.9 earthquake was recorded south of Tonga on July 27, 2026 at 01:38 UTC. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
1 day ago 2026-07-27 01:34:29 UTC | 4.9mb | south of Tonga -24.539°, -175.203° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.9 earthquake south of Tonga with origin time 01:34 UTC on July 27, 2026. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2 days ago 2026-07-26 00:02:18 UTC | 4.3mb | 279 km WSW of Houma, Tonga -21.734°, -177.932° | 395.3 km | - | - | - | ✓ Reviewed | USGS → |
On July 26, 2026 at 00:02 UTC, a magnitude 4.3 earthquake struck 279 km WSW of Houma, Tonga. 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 2026-07-24 17:14:55 UTC | 4.9mb | 71 km SW of Pangai, Tonga -20.326°, -174.773° | 50.7 km | - | - | - | ✓ Reviewed | USGS → |
On July 24, 2026, Tonga registered a magnitude 4.9 earthquake 71 km SW of Pangai, Tonga at 17:14 UTC. The event was offshore. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-21 2026-07-21 00:25:29 UTC | 4.6mb | south of the Fiji Islands -23.644°, -177.327° | 204.6 km | - | - | - | ✓ Reviewed | USGS → |
July 21, 2026 brought a magnitude 4.6 earthquake south of the Fiji Islands, logged at 00:25 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-20 2026-07-20 21:11:30 UTC | 4.9mb | 62 km WNW of Pangai, Tonga -19.663°, -174.926° | 57.5 km | - | - | - | ✓ Reviewed | USGS → |
At 21:11 UTC on July 20, 2026, a magnitude 4.9 tremor occurred 62 km WNW of Pangai, Tonga. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-17 2026-07-17 06:44:10 UTC | 4.4mb | Fiji region -21.057°, -178.541° | 540.9 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.4 earthquake in the Fiji region came in on July 17, 2026 at 06:44 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-16 2026-07-16 13:56:15 UTC | 4.5mb | 165 km W of Neiafu, Tonga -18.471°, -175.538° | 254.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.5 earthquake was recorded 165 km W of Neiafu, Tonga on July 16, 2026 at 13:56 UTC. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-16 2026-07-16 06:29:09 UTC | 4.2mb | Fiji region -20.998°, -178.652° | 581.0 km | - | - | - | ✓ Reviewed | USGS → |
At 06:29 UTC on July 16, 2026, a magnitude 4.2 tremor occurred 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. | ||||||||
2026-07-15 2026-07-15 21:58:50 UTC | 4.5mb | Fiji region -21.274°, -179.006° | 625.6 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.5 earthquake in the Fiji region with origin time 21:58 UTC on July 15, 2026. This is the deepest earthquake in the current dataset — a deep-focus event. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-14 2026-07-14 22:50:12 UTC | 5.5mww | Fiji region -20.748°, -178.509° | 574.3 km | - | I | green | ✓ Reviewed | USGS → |
On July 14, 2026 at 22:50 UTC, a magnitude 5.5 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 M5.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-13 2026-07-13 12:19:58 UTC | 4.8mb | south of the Fiji Islands -24.238°, -176.247° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.8 seismic event took place south of the Fiji Islands on July 13, 2026 at 12:19 UTC. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-12 2026-07-12 14:35:25 UTC | 4.1mb | Fiji region -20.686°, -178.613° | 593.4 km | - | - | - | ✓ Reviewed | USGS → |
July 12, 2026 brought a magnitude 4.1 earthquake in the Fiji region, logged at 14:35 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. | ||||||||
2026-07-12 2026-07-12 11:09:43 UTC | 5.0mb | 152 km S of ‘Ohonua, Tonga -22.698°, -174.715° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 5.0 earthquake 152 km S of ‘Ohonua, Tonga came in on July 12, 2026 at 11:09 UTC. The event was offshore. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-12 2026-07-12 10:10:01 UTC | 4.2mb | Fiji region -20.712°, -178.356° | 552.2 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.2 earthquake in the Fiji region at 10:10 UTC on July 12, 2026. 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. | ||||||||
2026-07-11 2026-07-11 11:30:05 UTC | 4.4mb | Fiji region -20.882°, -178.559° | 539.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.4 seismic event took place in the Fiji region on July 11, 2026 at 11:30 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-11 2026-07-11 06:32:14 UTC | 4.3mb | 263 km WNW of Houma, Tonga -20.179°, -177.604° | 548.1 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 earthquake was recorded 263 km WNW of Houma, Tonga on July 11, 2026 at 06:32 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. | ||||||||
2026-07-11 2026-07-11 06:26:37 UTC | 4.5mb | Fiji region -21.142°, -178.767° | 561.0 km | - | - | - | ✓ Reviewed | USGS → |
On July 11, 2026, Tonga registered a magnitude 4.5 earthquake in the Fiji region at 06:26 UTC. 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. | ||||||||
2026-07-11 2026-07-11 03:14:55 UTC | 5.0mb | 299 km W of Neiafu, Tonga -18.214°, -176.783° | 367.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 5.0 seismic event took place 299 km W of Neiafu, Tonga on July 11, 2026 at 03:14 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-10 2026-07-10 10:43:23 UTC | 4.2mb | 296 km WNW of Houma, Tonga -20.002°, -177.857° | 554.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.2 event was detected 296 km WNW of Houma, Tonga on July 10, 2026, with origin time 10:43 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. | ||||||||
2026-07-08 2026-07-08 23:33:47 UTC | 4.5mb | 71 km SSW of Houma, Tonga -21.719°, -175.661° | 161.0 km | - | - | - | ✓ Reviewed | USGS → |
At 23:33 UTC on July 8, 2026, a magnitude 4.5 tremor occurred 71 km SSW of Houma, Tonga. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-08 2026-07-08 16:56:59 UTC | 4.1mb | 288 km NW of Houma, Tonga -19.329°, -177.250° | 346.9 km | - | - | - | ✓ Reviewed | USGS → |
On July 8, 2026 at 16:56 UTC, a magnitude 4.1 earthquake struck 288 km NW of Houma, Tonga. 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. | ||||||||
Legend:
Mag: Magnitude (magType = ml, mb, mw, etc.)
Felt: Number of DYFI felt reports
MMI: Modified Mercalli Intensity (I-X+)
Alert: PAGER alert level
Depth: Shallow (<70km), Intermediate, Deep (>300km)
Status: Auto = preliminary, Reviewed = verified by seismologist
Click any row to see additional technical details.
Earthquake Statistics
Last 24 Hours0
Last 30 Days44
2026 (M2.5+)289
Largest (30 Days)
M5.5
Fiji region
2026-07-14
Largest in 2026
M7.5
158 km W of Neiafu, Tonga
2026-03-24
Data from USGS Earthquake Hazards Program. Updated every 5 minutes.
About Tonga
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.
Tonga Earthquakes 2026
In 2026, Tonga has recorded 289 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.
Frequently Asked Questions
How many earthquakes occur in Tonga?
In the past 30 days, 44 earthquakes have been recorded in the Tonga region.
What was the biggest recent earthquake in Tonga?
The largest recent earthquake in the Tonga area was a magnitude 5.5 event that occurred Fiji region.
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