M4.2 earthquake 70 km SW of Hihifo, Tonga
A magnitude 4.2 earthquake struck 70 km SW of Hihifo, Tonga on Thu, Feb 16, 2017, 9:25 AM GMT+14 (19:25 UTC), 139 km (86 mi) below the surface.
A larger quake followed: M4.9 51 km SW of Hihifo, Tonga. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.2 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2017-02-15 19:25:12 UTC
- Depth
- 138.6 km (86.1 mi), intermediate-depth
- Epicenter
- 16.449° S, 174.219° 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 10.8 km horizontally, 8.8 km in depth
- Magnitude uncertainty
- ±0.18
- Depth from
- From location
- Station coverage gap
- 84°
- Stations used
- 15
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 8 in the 60 days after this one and 7 in the 30 days before it.
After
- 4.951 km SW of Hihifo, Tonga · 3515 days ago · 92 km deep · 19 km away
- 4.2Tonga · 3502 days ago · 107 km deep · 39 km away
- 4.749 km SW of Hihifo, Tonga · 3486 days ago · 127 km deep · 27 km away
- 4.538 km NW of Hihifo, Tonga · 3483 days ago · 103 km deep · 78 km away
- 4.626 km N of Hihifo, Tonga · 3476 days ago · 66 km deep · 91 km away
- 4.827 km NNE of Hihifo, Tonga · 3476 days ago · 35 km deep · 98 km away
- 4.516 km SSE of Hihifo, Tonga · 3475 days ago · 110 km deep · 64 km away
- 4.4151 km SSW of Hihifo, Tonga · 3456 days ago · 104 km deep · 89 km away
Before
- 4.3113 km SSW of Hihifo, Tonga · 3516 days ago · 89 km deep · 49 km away
- 4.394 km SW of Hihifo, Tonga · 3517 days ago · 176 km deep · 24 km away
- 4.4152 km WSW of Hihifo, Tonga · 3519 days ago · 10 km deep · 92 km away
- 4.252 km WSW of Hihifo, Tonga · 3529 days ago · 157 km deep · 29 km away
- 4.7136 km SSW of Hihifo, Tonga · 3530 days ago · 117 km deep · 76 km away · felt by 1
- 5.1145 km SSW of Hihifo, Tonga · 3542 days ago · 110 km deep · 90 km away
- 4.828 km NE of Hihifo, Tonga · 3545 days ago · 82 km deep · 100 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us20008m3s. Read Fri, Oct 2, 2026, 8:48 PM UTC.