Seismic Activity in Samoa
Over the past 30 days, there have been 7 recorded earthquakes in this region. The largest recent earthquake was a magnitude 5.2 event near 92 km NNE of Hihifo, Tonga.
Earthquakes in Samoa
1 earthquakes in the last 24 hours• Latest significant: M5.2
Earthquake Map
Recent Earthquakes (Last 30 Days)
Dataset at a glance — Samoa
Over the past 30 days, Samoa has recorded 7 earthquakes of magnitude 2.5 or greater in our tracker. 3 reached magnitude 5.0 or higher. 4 landed between M4.0 and M4.9. By depth: 5 shallow (<70 km), 2 intermediate (70–300 km). 3 of the epicenters were offshore. 2 events produced at least one felt report, totalling 4 citizen submissions to the USGS Did You Feel It? system. Focal depths ranged from 10.0 km to 156.8 km. All 7 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 7 of 7
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
3 hours ago 2026-10-27 09:07:45 UTC | 5.0mb | 95 km NNE of Hihifo, Tonga -15.174°, -173.409° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 5.0 earthquake 95 km NNE of Hihifo, Tonga with origin time 09:07 UTC on October 27, 2026. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
4 days ago 2026-10-22 19:06:56 UTC | 4.9mb | 104 km NNE of Hihifo, Tonga -15.127°, -173.330° | 23.4 km | - | - | - | ✓ Reviewed | USGS → |
On October 22, 2026, Samoa registered a magnitude 4.9 earthquake 104 km NNE of Hihifo, Tonga at 19:06 UTC. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-10-19 2026-10-19 18:27:46 UTC | 4.8mb | 88 km WNW of Hihifo, Tonga -15.673°, -174.570° | 156.8 km | - | - | - | ✓ Reviewed | USGS → |
At 18:27 UTC on October 19, 2026, a magnitude 4.8 tremor occurred 88 km WNW of Hihifo, Tonga. This is the deepest earthquake in the current dataset — an intermediate depth event. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-10-15 2026-10-15 13:29:31 UTC | 5.2mb | 92 km NNE of Hihifo, Tonga -15.250°, -173.324° | 10.0 km | 1 | - | - | ✓ Reviewed | USGS → |
On October 15, 2026 at 13:29 UTC, a magnitude 5.2 earthquake struck 92 km NNE of Hihifo, Tonga. It is the largest earthquake currently listed for Samoa over the past 30 days. See the M5.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-10-15 2026-10-15 03:36:29 UTC | 5.1mb | 36 km E of Safotu, Samoa -13.409°, -172.069° | 13.2 km | 3 | - | - | ✓ Reviewed | USGS → |
A magnitude 5.1 earthquake was recorded 36 km E of Safotu, Samoa on October 15, 2026 at 03:36 UTC. The event was offshore. See the M5.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-10-15 2026-10-15 03:36:08 UTC | 4.8mb | 30 km E of Safotu, Samoa -13.433°, -172.117° | 13.5 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.8 earthquake 30 km E of Safotu, Samoa at 03:36 UTC on October 15, 2026. The event was offshore. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-10-10 2026-10-10 08:38:50 UTC | 4.5mb | 61 km N of Hihifo, Tonga -15.397°, -173.782° | 79.4 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.5 event was detected 61 km N of Hihifo, Tonga on October 10, 2026, with origin time 08:38 UTC. The event was offshore. See the M4.5 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 Hours1
Last 30 Days7
2026 (M2.5+)161
Largest (30 Days)
M5.2
92 km NNE of Hihifo, Tonga
2026-10-15
Largest in 2026
M6.3
140 km ENE of Hihifo, Tonga
2026-03-22
Data from USGS Earthquake Hazards Program. Updated every 5 minutes.
About Samoa
Samoa lies near the northern end of the Tonga Trench subduction zone. The 2009 earthquake and tsunami caused significant casualties.
Samoa Earthquakes 2026
In 2026, Samoa has recorded 161 earthquakes of magnitude 2.5 or greater so far. The largest earthquake in Samoa in 2026 was a magnitude 6.3 event near Hihifo, Tonga.
Frequently Asked Questions
How many earthquakes occur in Samoa?
In the past 30 days, 7 earthquakes have been recorded in the Samoa region.
What was the biggest recent earthquake in Samoa?
The largest recent earthquake in the Samoa area was a magnitude 5.2 event that occurred 92 km NNE of Hihifo, Tonga.
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