M5.2 earthquake 86 km W of Pangai, Tonga
A magnitude 5.2 earthquake struck 86 km W of Pangai, Tonga on Wed, Feb 15, 2023, 11:22 AM GMT+13 (22:22 UTC), 155 km (96 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.2 (Mww, W-phase moment), moderate
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2023-02-14 22:22:03 UTC
- Depth
- 155.2 km (96.4 mi), intermediate-depth
- Epicenter
- 19.866° S, 175.179° W
- Region
- Tonga
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Magnitude estimates
Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.
| Mag. | Scale | Computed by | Notes |
|---|---|---|---|
| 5.2 | Mww, W-phase moment | USGS National Earthquake Information Center | Preferred · Reviewed · ±0.086 · 13 stations |
| 5.3 | Mww, W-phase moment | USGS, automatic first solution | First automatic solution · Preliminary |
Did you feel it?
No one has reported feeling this quake to the USGS.
Fault motion and ground failure
How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.
- Faulting
- Oblique reverse
- Moment magnitude
- 5.2 Mww
- Nodal plane 1
- Strike 272°, dip 8°, rake 143°
- Nodal plane 2
- Strike 38°, dip 85°, rake 84°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 8.4 km horizontally, 2.5 km in depth
- Magnitude uncertainty
- ±0.09
- Depth from
- From location
- Station coverage gap
- 30°
- Stations used
- 209
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.2 and up: 0 in the 60 days after this one and 0 in the 30 days before it.
None recorded.
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000jnz6 (also filed as usauto6000jnz6). Read Sun, Oct 4, 2026, 7:56 AM UTC.