M5.4 earthquake 109 km ENE of ‘Ohonua, Tonga
A magnitude 5.4 earthquake struck 109 km ENE of ‘Ohonua, Tonga on Mon, Sep 15, 2014, 7:17 AM GMT+13 (18:17 UTC), 10 km (6 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.4 (Mwb, body-wave moment), moderate
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2014-09-14 18:17:35 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 21.111° S, 173.922° 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 |
|---|---|---|---|
| 5.4 | Mwb, body-wave moment | USGS National Earthquake Information Center | Preferred · Reviewed · ±0.039 · 63 stations |
| 5.66 | Mw, moment | ISC-GEM global catalog | Final · ±0.1 |
| 5.7 | Mwc, centroid moment | USGS National Earthquake Information Center | Moment tensor · Reviewed |
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
- Reverse (thrust)
- Moment magnitude
- 5.7 Mwc
- Nodal plane 1
- Strike 24°, dip 62°, rake 97°
- Nodal plane 2
- Strike 189°, dip 29°, rake 77°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 9.2 km horizontally, 1.9 km in depth
- Magnitude uncertainty
- ±0.04
- Depth from
- OPERATOR_ASSIGNED
- Station coverage gap
- 140°
- Stations used
- 27
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.4 and up: 8 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.795 km SSE of Pangai, Tonga · 4400 days ago · 10 km deep · 56 km away
- 4.8106 km SSE of Pangai, Tonga · 4399 days ago · 10 km deep · 51 km away
- 4.895 km SSE of Pangai, Tonga · 4399 days ago · 10 km deep · 62 km away
- 4.869 km SSE of Pangai, Tonga · 4396 days ago · 10 km deep · 81 km away
- 5.054 km ENE of ‘Ohonua, Tonga · 4386 days ago · 10 km deep · 59 km away
- 5.181 km ENE of ‘Ohonua, Tonga · 4386 days ago · 10 km deep · 43 km away
- 5.386 km ENE of ‘Ohonua, Tonga · 4385 days ago · 5 km deep · 31 km away
- 4.554 km E of ‘Ohonua, Tonga · 4368 days ago · 10 km deep · 56 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usb000scbz (also filed as iscgem605597173). Read Mon, Oct 5, 2026, 9:46 AM UTC.