M4.5 earthquake 87 km NE of Hihifo, Tonga
A magnitude 4.5 earthquake struck 87 km NE of Hihifo, Tonga on Sun, Jul 30, 2017, 2:56 PM GMT+13 (01:56 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M5.7 137 km SW of Gataivai, Samoa. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.5 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2017-07-30 01:56:26 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 15.486° S, 173.137° W
- Region
- Tonga
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 7.1 km horizontally, 1.7 km in depth
- Magnitude uncertainty
- ±0.09
- Depth from
- Operator assigned
- Station coverage gap
- 84°
- Stations used
- 43
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 7 in the 30 days before it.
After
- 5.7137 km SW of Gataivai, Samoa · 3336 days ago · 8 km deep · 77 km away
- 4.679 km NE of Hihifo, Tonga · 3335 days ago · 10 km deep · 14 km away
- 4.5114 km NE of Hihifo, Tonga · 3331 days ago · 10 km deep · 36 km away
- 4.536 km NNW of Hihifo, Tonga · 3327 days ago · 112 km deep · 93 km away
- 4.5122 km E of Hihifo, Tonga · 3322 days ago · 10 km deep · 61 km away
- 5.161 km NNE of Hihifo, Tonga · 3313 days ago · 72 km deep · 57 km away · felt by 1
- 5.0157 km SSW of Lotofag?, Samoa · 3311 days ago · 10 km deep · 77 km away
- 4.7132 km ENE of Hihifo, Tonga · 3305 days ago · 10 km deep · 46 km away
- 4.6115 km NNE of Hihifo, Tonga · 3294 days ago · 11 km deep · 63 km away
Before
- 4.4142 km NE of Hihifo, Tonga · 3354 days ago · 10 km deep · 58 km away
- 4.2162 km SSW of Lotofag?, Samoa · 3356 days ago · 10 km deep · 80 km away
- 4.187 km NE of Hihifo, Tonga · 3371 days ago · 127 km deep · 24 km away
- 4.287 km NNW of Hihifo, Tonga · 3372 days ago · 10 km deep · 96 km away
- 4.5117 km NE of Hihifo, Tonga · 3379 days ago · 35 km deep · 40 km away
- 4.687 km E of Hihifo, Tonga · 3380 days ago · 27 km deep · 69 km away
- 4.3137 km NNE of Hihifo, Tonga · 3381 days ago · 10 km deep · 78 km away
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000a2lr. Read Fri, Oct 2, 2026, 7:14 PM UTC.