M5.4 earthquake 140 km SSW of Hihifo, Tonga
A magnitude 5.4 earthquake struck 140 km SSW of Hihifo, Tonga on Wed, Apr 18, 2007, 3:26 PM GMT-12 (03:26 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
- 5.4 (Mwc, centroid moment), moderate
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2007-04-19 03:26:01 UTC
- Depth
- 155.0 km (96.3 mi), intermediate-depth
- Epicenter
- 17.064° S, 174.445° 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 | Mwc, centroid moment | USGS National Earthquake Information Center | Preferred · Reviewed |
| 5.44 | Mw, moment | ISC-GEM global catalog | Final · ±0.1 |
| 5.4 | Mwc, centroid moment | Global CMT project | Preliminary |
What happened
The USGS’s account of the effects of this earthquake.
no people dead or missing; no people injured; no buildings damaged or destroyed
From the USGS event page for usp000fa12. U.S. Geological Survey text and figures are in the public domain.
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 normal
- Nodal plane 1
- Strike 258°, dip 5°, rake -51°
- Nodal plane 2
- Strike 38°, dip 86°, rake -93°
How well it is located
Reviewed by a seismologist.
- Depth from
- CONSTRAINED_BY_DEPTH_PHASES
- Station coverage gap
- 44°
- Stations used
- 193
Nearby
Within 100 km, magnitude 2.4 and up: 7 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.3137 km S of Hihifo, Tonga · 7095 days ago · 35 km deep · 86 km away
- 4.4154 km NNW of Neiafu, Tonga · 7082 days ago · 156 km deep · 45 km away
- 4.382 km S of Hihifo, Tonga · 7077 days ago · 35 km deep · 83 km away
- 4.0116 km SSW of Hihifo, Tonga · 7068 days ago · 132 km deep · 25 km away
- 4.2103 km NW of Neiafu, Tonga · 7053 days ago · 20 km deep · 99 km away
- 5.169 km WSW of Hihifo, Tonga · 7053 days ago · 96 km deep · 93 km away
- 5.0104 km WSW of Hihifo, Tonga · 7052 days ago · 10 km deep · 71 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000fa12 (also filed as gcmtc200704190326a, gcmt20070419032601, iscgem11928868). Read Sat, Oct 3, 2026, 8:09 PM UTC.