M5.2 earthquake 131 km S of ‘Ohonua, Tonga
A magnitude 5.2 earthquake struck 131 km S of ‘Ohonua, Tonga on Tue, Feb 11, 2020, 11:21 PM GMT+13 (10:21 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M5.6 62 km SSE of ‘Ohonua, Tonga. This one was a foreshock.
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
- 2020-02-11 10:21:46 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 22.505° S, 174.731° 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 · ±0.098 · 10 stations |
| 5.17 | Mw, moment | ISC-GEM global catalog | Final · ±0.1 |
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 14°, dip 28°, rake 57°
- Nodal plane 2
- Strike 231°, dip 67°, rake 106°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 10.2 km horizontally, 1.8 km in depth
- Magnitude uncertainty
- ±0.10
- Depth from
- Operator assigned
- Station coverage gap
- 76°
- Stations used
- 60
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.2 and up: 9 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.4173 km SSE of ‘Ohonua, Tonga · 2422 days ago · 10 km deep · 53 km away
- 4.9134 km SSE of ‘Ohonua, Tonga · 2422 days ago · 10 km deep · 4 km away
- 5.349 km S of ‘Ohonua, Tonga · 2416 days ago · 18 km deep · 82 km away
- 4.583 km SSE of ‘Ohonua, Tonga · 2416 days ago · 10 km deep · 62 km away
- 5.662 km SSE of ‘Ohonua, Tonga · 2416 days ago · 10 km deep · 76 km away
- 4.750 km S of ‘Ohonua, Tonga · 2416 days ago · 35 km deep · 85 km away
- 4.7107 km SSE of ‘Ohonua, Tonga · 2414 days ago · 10 km deep · 25 km away
- 4.6210 km S of ‘Ohonua, Tonga · 2405 days ago · 10 km deep · 86 km away
- 4.5139 km S of ‘Ohonua, Tonga · 2389 days ago · 10 km deep · 22 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us70007n1t (also filed as iscgem617481177). Read Sun, Oct 4, 2026, 8:59 PM UTC.